Toro Negro Bird Watching Ponce Puerto Rico

🌿 Birdwatching in Puerto Rico: More Than a Hobby — A Mission for Conservation

Birdwatching in Puerto Rico is more than just a peaceful pastime — it’s a powerful force for conservation, education, and sustainable tourism. With over **300 bird species** on the island and at least **17 endemic to Puerto Rico**, the archipelago ranks among the most biodiverse destinations in the Caribbean.

In places like **Toro Negro State Forest**, the songs of the *San Pedrito* (Puerto Rican Tody), the *Múcaro Común* (Puerto Rican Owl), and the *Puerto Rican Tanager* are not just beautiful — they’re vital signs of a healthy ecosystem.

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🌍 Why Birdwatching Matters

Observing birds isn’t just about spotting rare species — it’s a meaningful act that creates real impact:

✅ **Sustainable Tourism**: Draws eco-conscious travelers who support local communities and conservation efforts.  
✅ **Wildlife Monitoring**: Citizen scientists help track species populations and detect early threats.  
✅ **Environmental Education**: Fosters a deeper connection to nature and inspires conservation-minded behavior.  
✅ **Scientific Contribution**: Data from birdwatchers supports research and informs conservation policy.

Take the **Puerto Rican Sharp-shinned Hawk (Accipiter striatus venator)** — once thought to be on the brink, its population has been closely monitored thanks to citizen reports. Since 1992, its numbers have declined by 40%, and only ~150 birds remain. Every observation helps protect this rare subspecies.

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📸 The Power of Documentation

Observing is the first step — but documenting what you see is where real change begins.

🔹 **Recording your sightings** — through platforms like eBird or the **Toro Negro Bird Watching Digital Log** — enables:

- Long-term tracking of species distribution and abundance  
- Detection of population declines or shifts  
- Support for scientific research and conservation planning  

For example, data on the *Puerto Rican Tody* has helped researchers understand its habitat preferences, diet, and territorial behavior — all critical for protecting this iconic species.

Even casual observers contribute to a growing database that helps wildlife managers and biologists make informed decisions.

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🌱 How You Can Get Involved
1. **Join a guided birdwatching tour** in Toro Negro or other protected areas.  
2. **Submit your observations** using digital tools like eBird, iNaturalist, or the Toro Negro digital log.  
3. **Share your photos and stories** online with the hashtag #BirdsOfPuertoRico.  
4. **Support conservation groups** working to protect native habitats and endangered birds.
The future of Puerto Rico’s birds — from the tiny *San Pedrito* to the rare *Sharp-shinned Hawk* — depends not only on nature, but also on the people who watch, record, and care.

Puerto Rican Tody

Foto Jose R Robert

🐦 Puerto Rican Tody (San Pedrito) — Todus mexicanus

The Puerto Rican Tody, known locally as *San Pedrito* or “half-dollar bird” (*medio peso*), is one of Puerto Rico’s most charming and iconic birds. Endemic to the island, this small, brilliantly colored bird is a true symbol of the island’s unique biodiversity.

With its emerald green back, red throat, and white belly, the San Pedrito is not just a visual delight — it’s a vital part of Puerto Rico’s natural heritage.

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📌 Quick Facts

• **Scientific name**: Todus mexicanus  
• **Local names**: San Pedrito, Medio Peso  
• **Size**: ~11 cm (4.3 in)  
• **Weight**: 5–6 grams  
• **Conservation status**: Least Concern (IUCN)  
• **Habitat**: Humid montane forests, dense thickets, high-elevation woodlands  
• **Diet**: 85.9% insects (katydids, grasshoppers, beetles, spiders, flies)  
• **Key habitats**: Toro Negro State Forest, Guánica Forest, El Yunque

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🔬 Taxonomy & Evolution

Todies are the closest relatives of Central American motmots. Genetic studies suggest the *Todus* genus likely originated before the Pleistocene, with its closest ties to motmots — although some protein studies have also pointed to a link with kingfishers.

The Puerto Rican Tody is one of five endemic *Todus* species across the Greater Antilles:

- **Cuba**: 1 species  
- **Jamaica**: 1 species  
- **Puerto Rico**: 1 species ✅  
- **Hispaniola**: 2 species  

⚠️ A curious fact: The species name *mexicanus* (Latin for “from Mexico”) is a misnomer. It was mistakenly assigned by ornithologist René Lesson, who thought the type specimen came from Mexico — when in fact, it’s from Puerto Rico.

The species is now recognized as part of the *Todus* genus, which includes similar birds across the Caribbean.

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🎨 Physical Description

The Puerto Rican Tody is one of the smallest birds in the *Coraciiformes* order. It has a striking appearance:

- **Upperparts**: Emerald green  
- **Flanks and lower back**: Light yellow  
- **Belly and chest**: Pure white  
- **Throat and lower bill**: Bright red  
- **Bill**: Long, broad, and slightly curved — often longer than the head  
- **Legs and feet**: Brownish  
- **Tail**: Short, often hidden while perched

Sexual dimorphism is subtle — the only visual difference is eye color:

- **Males**: Gray eyes  
- **Females**: White eyes  

Juveniles resemble adults but lack red markings, have grayish bellies, and shorter bills.

🔍 Key Difference: The Puerto Rican Tody is the only species in its genus without pink or yellow-green flanks.

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🌿 Habitat & Behavior

This small bird thrives in the moist, montane forests of Puerto Rico’s interior, especially in:

- High-elevation rainforests  
- Dense forest thickets  
- Areas with high insect concentrations  

Its range covers much of the mainland island, including:

- **Toro Negro State Forest** (a top birdwatching hotspot)  
- **Guánica Forest** (in the dry south)  
- **El Yunque National Forest**  
- **Maricao State Forest**

Todies are territorial and maintain small home ranges:

- **Lowland forests**: ~0.7 hectares (1.8 acres)  
- **High elevations**: Up to 2 hectares (5 acres) due to lower insect abundance  

They spend most of their time perched, scanning the canopy for insects. When feeding, they use two main foraging methods:

1. **Leaf-feeding**: Perching high and scanning leaves with fast head movements  
2. **Air-feeding**: Snatching prey mid-flight, often returning to a perch  

They typically feed on 1–2 insects per minute in rainforests and 1.7 per minute in thickets.

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🪺 Nesting & Reproduction

The breeding process of the Puerto Rican Tody is one of the most fascinating in the bird world.

**Courtship & Nesting**

- **Breeding season**: February–May  
- **Nest construction**: Both male and female excavate a narrow, 25–35 cm long burrow in an earth bank  
- **Nest placement**: At the end of the tunnel, often in a vertical slope  
- **Timeframe**: Nest excavation occurs between February and June, before the wet season

**Eggs & Incubation**

- **Clutch size**: 1–4 eggs (average: 2.3)  
- **Egg color**: Bright white  
- **Egg weight**: ~25% of female body weight  
- **Incubation**: Shared by both parents for ~21 days  
- **Assistance**: Older offspring may help feed chicks after fledging  

**Nest Usage**

- Only about 62.5% of excavated burrows are used  
- 89% of nests are built within 10 meters of previous sites  
- The species reuses fewer than half of all burrows it digs

**Parental Care**

- If eggs or chicks are lost, the mate brings food to the nest  
- Nestlings are fed insects (Homoptera, Coleoptera, Lepidoptera) and occasionally fruit (like *Clusia krugiana*)  
- Adults also feed nestlings frogs and lizards — with frogs being more common  

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🦜 Unique Physiology

The Puerto Rican Tody is a model species for studying avian thermoregulation.

- **Body temperature**: 36.7°C (lower than most *Coraciiformes*, which average 40°C)  
- **Energy efficiency**: Uses 33% less energy than related species  
- **Heterothermy**: Can lower body temperature by up to 14°C  
- **Torpor**: Females in breeding season can enter torpor — but not all individuals do so at the same temperature  

This ability helps them survive in the tropical environment with minimal energy cost.

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🛡️ Conservation Status

Despite past threats, the species remains **Least Concern** on the IUCN Red List.

However, it still faces risks:

- **Nest predation** by introduced **Indian mongooses**  
- **Habitat loss** due to deforestation and conversion of shaded coffee plantations to full-sun farms  
- **Human predation** in the past (used as food)  

The species is commonly seen in protected areas like Toro Negro, where conservation efforts are helping maintain stable populations.

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📸 How to Spot a Puerto Rican Tody

Look for:

- A small bird with bright green upperparts and white belly  
- A red throat and lower bill  
- A long, wide bill  
- A short tail  
- A distinctive "bobbing" display — especially when disturbed  

They are often heard before seen — producing loud, rapid calls and displaying by fluffing up their crests and bobbing their heads.

📸 **Best viewing spots**:
- Early morning in Toro Negro Forest  
- High perches in cloud forests  
- Near insect-rich areas like stream edges or forest clearings

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If you're a birdwatcher, photographer, or nature lover, the Puerto Rican Tody is a must-see. Each bird you spot helps document and protect this living treasure of Puerto Rico.

Stay tuned — in the next post, I’ll introduce the **Puerto Rican Owl** and its role in the island’s nocturnal ecosystem.

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Puerto Rican Owl

The Puerto Rican owl (Gymnasio nudipes), also known as the múcaro común, is a medium-sized owl endemic to Puerto Rico. It belongs to the subfamily Striginae and is the only species in the genus Gymnasio, which was established in 1854 by Charles Lucien Bonaparte. The species was first formally described in 1800 by French zoologist François Marie Daudin, who gave it the binomial name Strix nudipes. It has also been referred to as the Puerto Rican screech owl.

Key Features:

Size: 20 to 25 cm (7.9 to 9.8 in) long, with a wingspan of 154 to 171 cm (61 to 67 in).
Weight: 100 to 170 g (3.5 to 6.0 oz), with females being slightly heavier than males.
Appearance: The owl has a rounded head without ear tufts. It exhibits three color morphs: brown (most common), rufous (fairly common), and gray (rare). The brown morph has brown upperparts with irregular paler brown bars and vermiculation, while the tail is brown with paler vermiculation. The facial discs have narrow light and dark brown bars, with white supercilia and lores. The underparts are mostly white with brown or dusky streaking, barring, and vermiculation. The belly and undertail coverts are usually plain white. The legs are not feathered, which is unusual among owls, leading to another former name: the Puerto Rican bare-legged owl.

Behavior and Ecology:

Vocalizations: The territorial song is a short, deep, somewhat guttural, toad-like quavering trill: "rrurrrrrrr." It also makes a soft cackling "gu-gu" and a loud "coo-coo," which provides the local colloquial name "cuckoo bird."
Diet: The Puerto Rican owl is a nocturnal hunter. Its primary prey includes large arthropods such as cockroaches, grasshoppers, and moths. It also regularly consumes small vertebrates like frogs, lizards, rodents, and birds.
Habitat: Found throughout the main island of Puerto Rico, it primarily inhabits humid lowland forests but also occurs in dry forests and urban areas. The species prefers any small territory with available nest cavities.

Breeding and Nesting:

Breeding Season: April to June.
Nesting: Nesting occurs in tree cavities, where the species lays up to three white eggs.

Conservation Status:

The IUCN assesses the Puerto Rican owl as Least Concern, despite having a relatively small range. The population exceeds 10,000 mature individuals and is believed to be stable. No specific threats have been identified.

Historical Note:

The species’ disappearance from the Virgin Islands is thought to have occurred due to the clearing of native forests by the end of the nineteenth century. A subspecies, G. n. newtoni, was described in 1860 from specimens collected in the Virgin Islands but has not been positively recorded there since the mid-1800s. Its extinction is suspected due to habitat loss.

Taxonomy and Phylogeny:

A molecular phylogenetic study published in 2019 found that the Puerto Rican owl is a sister species to the flammulated owl (Psiloscops flammeolus), a migratory species in North America.
The genus name Gymnasio combines Ancient Greek gumnos ("bare" or "naked") with Latin asio (a type of eared owl), reflecting the bird’s bare legs.
The specific epithet nudipes means "bare-footed" in Latin.

This species plays a crucial ecological role in its habitat, contributing to the balance of local ecosystems through its predatory behavior and its role as a nocturnal predator. Its conservation is vital for maintaining the biodiversity of Puerto Rico’s forested regions.

Puerto Rican Woodpecker

🐦 Puerto Rican Woodpecker (Melanerpes portoricensis)

Status: Endemic to Puerto Rico and Vieques
Common Names: Puerto Rican Carpenter, Carpintero de Puerto Rico
Family: Picidae (Woodpeckers)
Genus: Melanerpes — one of five Antillean species in this genus

🎨 Description

Size: Medium-sized woodpecker.
Coloration:
- Adults: Striking white underparts with a bright dark blue back — colors that mirror the Puerto Rican flag.
- Forehead: Pinkish-red patch (visible in males).
- No other species in its range has this combination — dark blue back + pink forehead.
Behavior: Often seen in small flocks; active in forested habitats.
Vocalizations:
- Soft “drumming” (less intense than other woodpeckers).
- Loud, emphatic “Pik!” call — often repeated in quick succession.

🌳 Habitat & Range

Found across most forested habitats in Puerto Rico and Vieques.
Adaptable — inhabits:
- Moist montane forests
- Secondary growth
- Plantations
- Urban parks with mature trees
Not found in completely deforested or arid regions.

🍽️ Diet

Primarily insectivorous — forages on tree trunks and branches.
Also consumes:
- Fruits and berries (especially when insects are scarce)
- Occasionally nuts or seeds

🐣 Breeding & Nesting

Nest: Excavates cavities in dead or softwood trees.
Breeding season: Typically March–June, but can vary with food availability.
Clutch: Usually 2–4 white eggs.
Both parents share incubation and feeding duties.

🌐 Ecological Role

Important keystone species in forest ecosystems:
- Creates nesting cavities used by other birds and small mammals.
- Controls insect populations.
- Helps maintain tree health by removing pests.

⚠️ Conservation Status

Least Concern (IUCN Red List) — stable population.
Threats:
- Habitat loss due to deforestation or urbanization.
- Competition with invasive species (e.g., European Starling for nesting cavities).
Conservation Efforts:
- Protected in national forests like El Yunque and Toro Negro.
- Community awareness and citizen science (e.g., eBird, iNaturalist) help monitor populations.

📸 Photography & Birding Tips

Best seen early morning or late afternoon.
Listen for the “Pik!” call — often reveals its presence before you see it.
Look for movement on tree trunks or branches in forested areas.
Great photo subject — vibrant colors contrast beautifully against green foliage.

📌 Fun Fact

The Puerto Rican Woodpecker is one of only five Melanerpes species found in the Antilles — making it a unique part of Caribbean avian biodiversity.

Grey kingbird

🐦 Puerto Rican Woodpecker (Melanerpes portoricensis)

🎨 Description

Size: Medium-sized woodpecker.
Coloration:
- Adults: Striking white underparts with a bright dark blue back — colors that mirror the Puerto Rican flag.
- Forehead: Pinkish-red patch (visible in males).
- No other species in its range has this combination — dark blue back + pink forehead.
Behavior: Often seen in small flocks; active in forested habitats.
Vocalizations:
- Soft “drumming” (less intense than other woodpeckers).
- Loud, emphatic “Pik!” call — often repeated in quick succession.

🌳 Habitat & Range

Found across most forested habitats in Puerto Rico and Vieques.
Adaptable — inhabits:
- Moist montane forests
- Secondary growth
- Plantations
- Urban parks with mature trees
Not found in completely deforested or arid regions.

🍽️ Diet

Primarily insectivorous — forages on tree trunks and branches.
Also consumes:
- Fruits and berries (especially when insects are scarce)
- Occasionally nuts or seeds

🐣 Breeding & Nesting

Nest: Excavates cavities in dead or softwood trees.
Breeding season: Typically March–June, but can vary with food availability.
Clutch: Usually 2–4 white eggs.
Both parents share incubation and feeding duties.

🌐 Ecological Role

Important keystone species in forest ecosystems:
- Creates nesting cavities used by other birds and small mammals.
- Controls insect populations.
- Helps maintain tree health by removing pests.

⚠️ Conservation Status

Least Concern (IUCN Red List) — stable population.
Threats:
- Habitat loss due to deforestation or urbanization.
- Competition with invasive species (e.g., European Starling for nesting cavities).
Conservation Efforts:
- Protected in national forests like El Yunque and Toro Negro.
- Community awareness and citizen science (e.g., eBird, iNaturalist) help monitor populations.

📸 Photography & Birding Tips

Best seen early morning or late afternoon.
Listen for the “Pik!” call — often reveals its presence before you see it.
Look for movement on tree trunks or branches in forested areas.
Great photo subject — vibrant colors contrast beautifully against green foliage.

📌 Fun Fact

The Puerto Rican Woodpecker is one of only five Melanerpes species found in the Antilles — making it a unique part of Caribbean avian biodiversity.

Loggerhead kingbird

🐦 Loggerhead Kingbird: The Subtropical Forest Sentinel

The Loggerhead Kingbird is a medium-sized tyrant flycatcher found across the West Indies, including Puerto Rico, Cuba, Jamaica, Hispaniola, and the Bahamas. It’s a resident species in Puerto Rico — especially in the central cordillera, El Yunque, and Toro Negro State Forest — where it thrives in moist lowland and montane forests.

Despite its name, it’s not particularly aggressive, but it’s a conscientious hunter with a bold, commanding presence in the canopy.

🗺️ Where to Find It in Puerto Rico

You’ll most likely spot the Loggerhead Kingbird in:

Subtropical moist forests
Montane rainforests (especially at mid-elevations)
Forest edges and secondary growth
Riparian zones near streams or rivers
Coffee plantations with mature shade trees

It prefers intact forest canopy and is less common in urban areas than the Grey Kingbird — making it a better indicator of forest health.

📐 Key Identification Features

Size	~23 cm (9.1 in) — similar to Grey Kingbird
Plumage	Dark grey upperparts, white underparts
Head	Black with a white throat and cheeks
Tail	Squared, with abuffy-white bandat the tip — a key field mark
Crown	Orange or yellow crown patch (often hidden)
Bill	Dark, slightly hooked, medium length
Eyes	Dark, alert, often scanning for insects

🟡 Note: The white band on the tail is the most reliable field mark distinguishing it from the Grey Kingbird, which has no such marking.

🍽️ Diet & Hunting Behavior

Primary Food: Flying insects — especially beetles, grasshoppers, and butterflies
Secondary: Small fruits and berries (especially Cecropia and Clusia)
Occasionally: Small lizards (e.g., anoles)

Hunting Style:

Perches high in the canopy
Sallies out to catch prey mid-air
Returns to the same perch — often a dead branch or exposed limb
Known for frequent, rapid flights through the forest

🏡 Nesting & Breeding

Nest: Cup-shaped, made of twigs, leaves, and fibers; built in tree forks or on branches
Eggs: 2–3 pale blue or greenish eggs, with brown speckles
Incubation: ~14–16 days (female)
Fledging: ~18–20 days after hatching
Breeding Season: February to July, peaking in spring

🌿 Nest Site Preference: Often placed near openings in the forest, allowing for easy observation of approaching prey — and predators.

🌍 Distribution & Habitat

Range: West Indies (Bahamas, Cayman Islands, Cuba, Hispaniola, Jamaica, Puerto Rico, and rare records in southern Florida)
Habitat: Subtropical or tropical moist lowland and montane forests
Elevation: 100–1,300 m (328–4,265 ft) — most common above 500 m
Status: Least Concern (IUCN), but sensitive to deforestation and habitat fragmentation

🌿 Ecological Role & Significance

Insect Control: Plays a vital role in regulating populations of flying insects
Seed Dispersal: Consumes small fruits, helping to spread plant seeds
Forest Health Indicator: Its presence often signals a healthy, intact forest ecosystem
Prey Species: A food source for raptors like the Puerto Rican Sharp-shinned Hawk and Olive-backed Pygmy Owl

📸 How to Identify It in the Field

Here are the key clues that help distinguish the Loggerhead Kingbird from similar species:

Tail Band	✅ Prominentbuffy-white band	❌ No band
Head	Black withwhite throat/cheeks	Dusky mask withyellow crown stripe
Bill	Medium, dark, slightly hooked	Heavier, more robust
Habitat	Forest interior, montane zones	Open areas, edges, urban zones
Call	Low-pitchedchikortchiksound	Loud, rollingpipiri, pipiri

🎧 Call: Often described as a sharp, high-pitched chik or tchik — less musical than the Grey Kingbird’s song.

📲 How to Contribute to Conservation

Even casual observers can help protect this species by:

Submitting Sightings to eBird or the Toro Negro Bird Watching Digital Log
Photographing & Sharing with #BirdsOfPuertoRico
Reporting Nesting Activity — especially if near protected areas
Supporting Forest Conservation efforts, particularly in the central cordillera

🌳 Cultural & Scientific Relevance

Notable Behavior: Known for cooperative feeding — sometimes seen with mixed-species flocks, especially during migration periods
Folklore: In some communities, it’s believed to be a spirit guide, due to its loud calls and tendency to perch where people can hear it
Research Value: Used in studies on bird migration patterns, habitat fragmentation, and forest canopy dynamics

🌿 Final Thought

The Loggerhead Kingbird may not be as vocal or flashy as the Grey Kingbird — but it’s no less important. It’s a keystone species in Puerto Rico’s montane forests, one whose presence signals a healthy, functional ecosystem.

If you’re birdwatching in Toro Negro, El Yunque, or Maricao State Forest, keep an eye (and ear) out for this quiet, watchful bird — and remember: every sighting helps protect the future of Puerto Rico’s birds.

Puerto Rican tanager

Puerto Rican Tanager (Nesospingus speculiferus), a small, enigmatic, and highly endemic bird that’s one of the most fascinating species in Puerto Rico’s avian world. Known locally as the “llorosa” — meaning "the crier" — this species is a symbol of the island’s rich biodiversity and fragile montane ecosystems.

🐦 Puerto Rican Tanager: The "Crier" of the Mountain Forests

The Puerto Rican Tanager is a small passerine bird endemic to Puerto Rico, meaning it’s found nowhere else on Earth. It’s the only member of the genus Nesospingus, and recent genetic studies suggest it may belong to its own family — Nesospingidae — or be closely related to the Phaenicophilidae (a group including the Puerto Rican spindalis and tanager relatives).

It's a bird of high-elevation forests, where it plays a vital role in seed dispersal and insect control.

🗺️ Where to Find It in Puerto Rico

You’ll find the Puerto Rican Tanager primarily in:

Montane rainforests (300–1,350 m elevation)
Subtropical lower montane forests
Mature and secondary growth forests
Protected areas: El Yunque National Forest, Maricao State Forest, and the central cordillera

Its range is now fragmented due to deforestation, and it's largely restricted to higher elevations — making it a sensitive indicator of forest health.

📐 Key Identification Features

Size	18–20 cm (7–8 in), ~36 g
Plumage	Olive-brown above, pale grey/white below
Face	Dark crown and face, obscuring the eye — gives a “hooded” look
Wing	Conspicuouswhite spoton the wing
Throat	Pure white
Bill	Pale in males, black in females
Tail	Under-tail coverts are pale fulvous

🟡 Key Field Mark: The white wing spot and dark head make it distinctive in the forest canopy.

📣 Voice & Behavior

Call: A harsh, repetitive chewp or chuck — often heard in flocks
Song: A light, sweet, rapidly sung tswet-tswet-tswet-tswet — more melodic than its call
Other Sounds: Soft sigh, tsip-tsip-tsip, and a low-pitched chirp

Behavioral Notes:

Often seen in mixed-species feeding flocks, especially during winter when migratory birds are present
Communal roosting in bamboo clumps or palms (a behavior that may help reduce predation)
Strong flyers, but prefers short bursts through the canopy
Territorial during breeding season

🍴 Diet & Foraging Habits

The Puerto Rican Tanager is an omnivore, feeding on:

Invertebrates: Spiders, insects, centipedes, snails
Fruits: Especially Cecropia and Clusia species
Occasionally: Lizards and nestlings of other birds

Its diet shifts with season — more fruit in the dry season, more insects in the wet season.

🐾 Ecological Role: Helps control insect populations and disperses seeds — especially from Cecropia, a keystone forest species.

🏡 Nesting & Breeding

Nest: Cup-shaped, built from vines, ferns, roots, and palm fibers — lined with feathers and palm leaves
Location: At the ends of branches 2–10 m high
Clutch: 2–3 elliptical white eggs with reddish-brown splotches
Incubation: ~32 days (female)
Fledging: ~30 days after hatching

⚠️ Nest Threats: Predation by Puerto Rican Owl, Sharp-shinned Hawk, and Pearly-eyed Thrasher

🌍 Conservation Status & Threats

IUCN Status: Vulnerable (due to habitat loss and fragmentation)
Population: Estimated at ~15,000–20,000 individuals
Major Threats:
- Deforestation (especially in the central cordillera)
- Habitat fragmentation
- Climate change affecting montane cloud forests
- Predation by invasive species (e.g., cats, rats, mongooses)

💡 Important: The species’ decline is a red flag for the health of Puerto Rico’s montane forests — one of the most threatened ecosystems on the island.

📸 How to Spot It in the Field

Listen for the call — a sharp chewp or chuck — often repeated in flocks
Look for the white wing spot — especially when the bird is in flight
Watch for movement in mixed flocks — it often leads the flock through the canopy
Look for a dark head, white throat, and pale grey underparts

🐦 Tip: The best time to see it is during early morning — when it’s most active and vocal.

🌿 Why It Matters

The Puerto Rican Tanager is more than just a beautiful bird — it’s a keystone species in Puerto Rico’s montane forests. Its role in seed dispersal, insect control, and ecosystem balance makes it essential to the survival of these fragile ecosystems.

It’s also a symbol of conservation effort — with groups like BirdLife International and Puerto Rico Audubon Society working to protect its forest habitat.

📲 How You Can Help

Submit Sightings to eBird or the Toro Negro Bird Watching Digital Log
Support Forest Conservation through donations to organizations like:
- Puerto Rico Department of Natural and Environmental Resources (DRNA)
- The Nature Conservancy – Puerto Rico
- Fundación para la Conservación de las Aves de Puerto Rico (FONABE)
Share Photos & Stories using the hashtag #BirdsOfPuertoRico
Avoid Littering & Habitat Disturbance — especially in montane zones

🌿 Final Thought

The Puerto Rican Tanager is a quiet, unassuming bird — but it carries the weight of Puerto Rico’s ecological future. Its presence is a sign of a healthy forest; its absence, a warning sign.

If you’re birdwatching in El Yunque, Maricao, or Toro Negro, keep your eyes and ears open — and remember: every sighting, every photo, every report helps protect this unique species.

Need help identifying a sighting? Want to compare it with the Puerto Rican Spindalis or Puerto Rican Bullfinch? Or curious about its conservation history? Just ask — I’m here to help. 🐦🇵🇷

Puerto Rican sharp-shinned hawk

one of Puerto Rico’s most endangered, elusive, and ecologically significant birds: the Puerto Rican Sharp-shinned Hawk (Accipiter striatus venator), also known locally as the falcón de sierra or gavilán pecho rufo.

This small but fierce forest raptor is a subspecies endemic to Puerto Rico — meaning it’s found nowhere else on Earth — and its survival is now a major conservation priority.

🐾 Key Facts at a Glance

Scientific Name	Accipiter striatus venator
Common Names	Puerto Rican Sharp-shinned Hawk, Falcón de Sierra, Gavilán Pecho Rufo
Status	Endangered(U.S. Fish and Wildlife Service)
Population Estimate	~150 individuals (as of 1997); recent estimates suggest~129 birds
Habitat	Subtropical lower montane wet forests, 300–1,350 m elevation
Range	Restricted tofive isolated mountain forest areasin Puerto Rico
IUCN Status	Critically Endangered(threatened by habitat loss and natural disasters)

🗺️ Where to Find It

The Puerto Rican Sharp-shinned Hawk is only found in five fragmented mountain forest zones across Puerto Rico:

Toro Negro State Forest (primary habitat)
El Yunque National Forest
Maricao State Forest
Reserva de Biósfera de Guánica
Sierra de Maricao

These areas are often remote, rugged, and highly protected — making the hawk even more difficult to observe.

🐦 Identification & Physical Features

Size	28–33 cm (11–13 in) — small forest hawk
Plumage	Dark blue/slate grey upperparts,reddish-orange breast streaks
Tail	Broad, long, and squared — ideal for maneuvering through dense forest
Wings	Broad — allows for quick turns and sudden chases
Sexual Dimorphism	Females are almost50% largerthan males — allowing each sex to target different-sized prey
Immature Birds	Brownish above, striped below — more like a juvenile Cooper’s Hawk

🟡 Key Field Mark: The reddish-orange breast stripes and dark grey back distinguish it from other Accipiter species.

🍽️ Diet & Hunting Behavior

Primary Prey: Small birds — including tanagers, hummingbirds, and sparrows (up to 30g in size)
Secondary Prey: Occasionally larger birds (e.g., thrashers, ~100g)
Hunting Style: Agile, low-flying ambush predator — chases prey through the canopy using rapid wingbeats and tight turns
Home Range: ~150 hectares (370 acres) — one of the largest home ranges for a bird of this size

🐾 Feeding Strategy: A specialist predator — it relies heavily on small forest birds as a food source.

🏡 Nesting & Breeding

Nest Placement: On horizontal branches below the canopy, often in crotches or against trunks
Nest Type: Platform nest made of twigs and vines
Nest Site Preference: Dense vegetation, closed canopies, and mountainous topography
Breeding Season: March–April (occasionally a second clutch in May–July if the first fails)
Clutch Size: 2–3 white eggs
Incubation: ~32 days (female only)
Fledging: ~30 days after hatching

⚠️ Nest Threats:

Botfly and warble fly larvae (cause >50% of fledging failures)
Predation by Pearly-eyed Thrasher (Margarops fuscatus)
Habitat loss from road construction, power lines, and telecommunications

🌍 Conservation Crisis & Threats

The Puerto Rican Sharp-shinned Hawk is on the brink of extinction, with only about 150 individuals estimated to remain.

Causes of Decline:

Habitat Loss: Deforestation due to:
- Road construction
- Power line installation
- Communications facilities
- Agricultural expansion
Natural Disasters:
- Hurricanes (especially Hurricane Maria in 2017) caused massive habitat destruction
- Only 19 individuals were found by the Peregrine Fund post-Maria
Invasive Species:
- Pearly-eyed Thrasher (predates nests)
- Small Indian Mongoose and Black Rats (prey on eggs and nestlings)
- Feral Cats and Green Iguanas
Nest Failure:
- Botfly and warble fly larvae are the leading cause of fledgling death

💡 Recent Crisis: After Hurricane Maria, the Peregrine Fund launched a crisis fund campaign to raise donations and support habitat restoration and nest monitoring programs.

📣 Voice & Behavior

Call: A sharp, high-pitched keek! or kik! sound — often heard during courtship displays
Courtship: Involves aerial displays — males and females perform flight displays from sunrise to mid-morning
Territoriality: Strongly territorial — pairs remain at nesting sites permanently
Feeding: Male provides food to the female during incubation

🐾 Mating Strategy: Monogamous pairs form lifelong bonds — rare among raptors, and critical for the survival of this fragile population.

🐦 Why It Matters

Ecological Role: A top predator in montane forests — helps regulate bird populations
Indicator Species: Its decline signals widespread forest degradation
Genetic Uniqueness: The only endemic subspecies of Accipiter striatus in the world
Cultural Symbol: An emblem of Puerto Rico’s wilderness and conservation struggle

📲 How You Can Help

Even as a casual observer, you can contribute to the protection of this rare hawk:

Submit Sightings to eBird, iNaturalist, or the Toro Negro Bird Watching Digital Log
Support the Peregrine Fund’s Crisis Fund Campaign — donations help restore habitat and monitor nests
Avoid Disturbance in montane forests — especially during breeding season (March–July)
Report Nesting Activity or unusual behavior to local conservation groups
Share Photos & Stories using #BirdsOfPuertoRico — raising awareness helps protect this species

Jamaican red-tailed hawk (guaraguao)

The term “guaraguao” comes from the Taíno language, the indigenous people of the Caribbean. It’s used across Puerto Rico and the Dominican Republic to refer to this subspecies of the red-tailed hawk — a powerful nod to the island’s pre-colonial heritage.

In scientific circles, it’s known as the Jamaican red-tailed hawk, but locally, “guaraguao” carries weight — evoking the soaring silhouette against the sky, the sharp cry echoing through forests, and the presence of a wild, untamed spirit.

📍 Where to See It

You’re most likely to spot a guaraguao in:

El Yunque National Forest — home to the highest known density of this hawk in the world
Open areas near forest edges
Mountains and ridges across the island
Coastal scrublands and agricultural zones

It’s not uncommon to see one perched on roadside poles or power lines — especially in rural areas — scanning for prey below.

🖼️ Visual Identification

While similar to mainland red-tailed hawks, the guaraguao has unique features:

Smaller size than northern subspecies
Dark, broad belly band — very distinct and ragged-edged
Lack of white terminal band on the tail
Soaring flight with wings held in a slight “V” — classic Buteo posture
Call: A high-pitched, descending scream — often described as a “keeeeee-arr”

🟡 Pro Tip: If you see a hawk soaring over Puerto Rico with a dark belly band and no white tail tip — it’s likely a guaraguao.

🍽️ Diet & Hunting Behavior

Guaraguao are skilled hunters, feeding on:

Small mammals (mice, rats, rabbits)
Reptiles (lizards, snakes)
Birds (including smaller passerines)
Occasionally insects or carrion

They hunt by soaring high on thermals, then diving with surprising speed to strike prey — often from a perch or mid-air.

🏡 Nesting & Breeding

Nests are built in large trees, often near forest edges or in open areas
Nest structure: bulky platform of sticks, lined with softer materials
Clutch: Usually 2–3 eggs
Incubation: ~28–35 days
Fledging: Young leave the nest at ~6 weeks

They are monogamous and often return to the same nesting territory year after year.

🌿 Ecological Role

As a top predator, the guaraguao helps:

Control rodent and small animal populations
Maintain balance in forest and agricultural ecosystems
Serve as an indicator of habitat health — its presence signals intact, functioning ecosystems

📸 Birding Tips

Best time to spot: Early morning or late afternoon — when thermals are strong and hunting activity peaks
Listen for the call — it’s often the first clue you’re near one
Use binoculars or a spotting scope — they soar high and can be hard to ID from the ground without magnification
Photographers: Try capturing them against the sky or perched on a silhouette — dramatic results!

🐦 Cultural Significance

In Puerto Rican folklore, the guaraguao is sometimes associated with:

Watchfulness
Strength
Freedom

Its presence is often interpreted as a sign of good fortune or spiritual awareness — especially when seen soaring alone over the mountains.

🛡️ Conservation Status

The guaraguao is not currently endangered in Puerto Rico. Thanks to its adaptability and wide habitat range, it remains relatively common — especially compared to rarer island endemics like the Puerto Rican Sharp-shinned Hawk.

However, threats still exist:

Habitat fragmentation
Collisions with vehicles or power lines
Pesticide use affecting prey populations

Puerto Rican Spindalis

Puerto Rican Spindalis (Spindalis portoricensis) — The “Reina Mora”

Known locally as the reina mora — “black queen” — this colorful, endemic bird is one of Puerto Rico’s most beloved and ecologically important species. Though unofficial, it’s often considered the national bird of the island.

🐦 Key Facts

Scientific Name: Spindalis portoricensis
Family: Spindalidae (formerly placed in Thraupidae)
Status: Endemic to Puerto Rico — found nowhere else in the world
Common Name: Reina mora (Puerto Rican spindalis)
Habitat: Forests, plantations, gardens, urban parks — especially where fruit and nectar are available
Elevation Range: Mostly below 1,000 meters

🎨 Appearance & Sexual Dimorphism

This species exhibits strong sexual dimorphism — males and females look very different:

♂ Male:

Head: Black with two bold white stripes — one above and one below the eye
Neck & Chest: Bright orange
Back: Green
Wings & Tail: Gray to black with white tips

♀ Female:

Overall: Dull olive-green
Stripes: Faint white eye stripes
Size: Slightly heavier but smaller in length than males

🟡 Fun Fact: The male’s bright colors are not for show — they help him defend territory and attract mates in dense forest understories.

🌿 Habitat & Distribution

You’ll find the Puerto Rican spindalis throughout the entire main island, from coastal gardens to mountain forests — though it’s most common in:

Toro Negro Forest
Coffee plantations (where it thrives)
El Yunque National Forest
Maricao State Forest
Urban gardens with fruiting trees or sugar feeders

It’s rarely found above 1,000 meters — preferring lower, warmer elevations with abundant food.

🍽️ Diet & Foraging

The spindalis is primarily frugivorous, eating fruit from native and introduced trees, including:

Schefflera morototoni (most important)
Cecropia schreberiana
Cordia sulcata
Ficus spp.
Phoradendron spp.
Inga vera

It also eats:

Insects
Small lizards
Nectar (often from flowers or sugar feeders)

💡 Gardener’s Tip: Attract reina moras with sugar water feeders — similar to hummingbirds — or plant native fruiting trees.

🐣 Reproduction & Nesting

Nest: Cup-shaped, made from plant fibers and leaves
Eggs: 2–4 per clutch; light blue with brown speckles
Incubation: ~14 days
Fledging: ~12–14 days after hatching
Breeding Season: Year-round, but peaks in spring and early summer

They’re often seen in pairs or small flocks, and exhibit mobbing behavior — grouping together to harass predators like the Puerto Rican boa or hawks.

🎧 Vocalizations

Male Song: High-pitched, thin, sibilant notes in rhythmic patterns — often from treetops
Female Song: “Whisper songs” — softer, given from dense cover near the ground
Calls: Fast tweet or short chi chi chi

🟡 Important: Unlike many temperate birds, both males and females sing — a trait linked to tropical ecology and year-round territorial defense.

🌍 Ecological Role

The Puerto Rican spindalis plays a vital role in:

Seed dispersal — especially for Schefflera and Cecropia, which are keystone forest species
Pollination — when feeding on nectar
Insect control — especially during breeding season

Its presence is a sign of a healthy, functioning ecosystem — especially in human-modified landscapes like plantations and gardens.

📸 Birding & Photography Tips

Best time to see: Early morning or late afternoon
Look for: Bright orange chest + black head with white stripes
Listen for: High-pitched, rhythmic songs from treetops
Photograph: Use a telephoto lens — they’re active but often hidden in foliage
Attract: Sugar water feeders or native fruiting trees

🛡️ Conservation Status

The Puerto Rican spindalis is not endangered — in fact, it’s common and widespread. However, habitat loss and fragmentation remain threats, especially in lowland forests.

📌 Note: While adaptable, its reliance on fruit means it’s vulnerable to declines in native tree populations.

🌟 Cultural Significance

The “reina mora” holds a special place in Puerto Rican culture:

Often featured in local art, poetry, and music
Symbolizes the island’s natural beauty and resilience
A favorite among birdwatchers and nature lovers

Its unofficial status as the national bird reflects its deep connection to Puerto Rican identity.

Riccordia maugaeus

The buzzer of Puerto Rico, Puerto Rican emerald or Puerto Rican emerald(Riccordia maugaeus),is a species of bird apodiform of the family Trochilidae — hummingbirds — previously located in the genus Chlorostilbon. Is endemic of archipelago of Puerto Rico.

Riccordia maugaeus — The Puerto Rican Emerald

Commonly known as the Puerto Rican emerald, buzzer of Puerto Rico, or buzzer, Riccordia maugaeus is a small, iridescent hummingbird endemic to the island of Puerto Rico. It's a striking example of the island’s avian diversity and ecological importance.

🐦 Key Facts

Scientific Name: Riccordia maugaeus
Family: Trochilidae (hummingbirds)
Status: Endemic to Puerto Rico — found nowhere else in the world
Common Names: Puerto Rican emerald, buzzer, buzo de Puerto Rico
Size: 9–10 cm in length
Habitat: Forests from sea level to ~800 m, including mangroves, open forests, and coffee plantations

🎨 Appearance

This is a small, compact hummingbird with bright green plumage and a forked tail.
Male:
Iridescent green back and chest
Black tail
Silky head with no crest
Female:
White throat and chest
Tail feathers have a white tip
Less iridescent overall
🟡 Key Field Mark: The forked tail and iridescent green body are the most distinguishing features — especially in the male.

🌿 Habitat & Distribution

The Puerto Rican emerald is found across a wide range of habitats:
Mangroves
Coastal forests
Open forests
Coffee plantations (a favorite for nectar and insects)
Mountain forests up to 800 m elevation
It's adaptable and often seen in human-modified landscapes — making it one of the more accessible hummingbirds for birdwatchers.

🐝 Diet & Foraging

This species is a nectarivore, relying heavily on:
Flowers: Especially Heliconia spp. and other tubular blooms
Insects: Small flying insects caught in flight (aerial hawking)
It also feeds on sugar water in gardens — making it a popular visitor to backyard feeders.

🏡 Nesting & Breeding

Nest: Cup-shaped, built from plant fibers and lichens
Eggs: 2 pale, white eggs
Incubation: ~14 days
Fledging: ~18–20 days after hatching
The nest is often placed low to the ground — in dense vegetation — offering protection from predators.

🐦 Behavior & Ecology

Foraging: Active and agile — often seen darting between flowers or perching to defend territory
Flight: Quick, direct, and sometimes appears "buzzing" — hence the name buzo (buzzer)
Territorial: Males defend feeding areas aggressively
Social: Usually seen alone or in pairs

🌍 Conservation Status

The Puerto Rican emerald is not currently endangered, but faces threats due to:
Habitat loss (especially coastal and forested areas)
Invasive species (e.g., rats, cats)
Climate change altering flowering patterns
However, it remains relatively common across its range — especially in agricultural zones where it thrives.

📸 Birding Tips

Best time to see: Early morning, when nectar levels are high and activity peaks
Look for: A small, green bird with a forked tail, often hovering near Heliconia or garden flowers
Sound: A high-pitched, rapid bzzt! or twittering noise — like a tiny motor
Use: A small camera or telephoto lens to capture its iridescent colors

🌿 Ecological Role

Pollination: Plays a vital role in pollinating native flowers — especially Heliconia, which rely on bird pollinators
Biodiversity indicator: Its presence signals healthy, functioning ecosystems
Seed disperser: Occasionally ingests small seeds and spreads them

🎵 Cultural Significance

The “buzzer” has become a symbol of Puerto Rico’s natural beauty — especially in the eyes of birdwatchers and nature lovers.
It’s featured in:
Local art and folklore
Birding festivals
Educational programs about island ecosystems
Its name reflects its distinctive sound — a buzzing noise as it hovers and feeds.

Zumbador Crestado

Foto Jose R Robert

The Zumbador Crestado — also known as the Puerto Rican Emerald (Riccordia maugaeus) — is a small, iridescent hummingbird endemic to Puerto Rico, found nowhere else in the world. Though sometimes confused with other hummingbirds like the Puerto Rican Mango (Anthracothorax viridis), the Zumbador Crestado is distinct in its appearance, behavior, and habitat preferences.

🐦 Key Facts: Puerto Rican Emerald (Zumbador Crestado)

Scientific Name: Riccordia maugaeus
Family: Trochilidae (hummingbirds)
Status: Endemic to Puerto Rico
Common Names: Puerto Rican emerald, buzzer, buzo de Puerto Rico, Zumbador Crestado
Size: 9–10 cm (small, compact body)
Habitat: Forests from sea level to ~800 m — mangroves, open forests, coffee plantations, mountain forests

🎨 Appearance

Male:
Iridescent green back and chest
Black tail
Silky head with no crest (note: “crestado” in the name may be a misnomer or regional variation — this species does not have a visible crest)
Forked tail — key field mark
Female:
White throat and chest
Tail feathers with white tips
Less iridescent overall
🟡 Key ID Tip: Look for the forked tail and iridescent green body, especially in males. The lack of a true crest distinguishes it from other “crestado”-named birds.

🌿 Habitat & Where to Find It

You’ll spot the Zumbador Crestado in:
Coastal forests
Open forests and coffee plantations (a favorite for nectar and insects)
Mangroves
Mountain forests up to 800 m elevation
It’s adaptable and often seen in human-modified landscapes — making it one of the more accessible hummingbirds for birdwatchers.

🐝 Diet & Foraging

Nectarivore: Feeds heavily on nectar from flowers like Heliconia spp.
Insectivore: Catches small flying insects mid-air (aerial hawking)
Also visits sugar water feeders — a popular visitor to backyard gardens

🏡 Nesting & Breeding

Nest: Cup-shaped, built from plant fibers and lichens
Eggs: 2 pale, white eggs
Incubation: ~14 days
Fledging: ~18–20 days after hatching
Nest Placement: Often low to the ground in dense vegetation for protection

🐦 Behavior & Ecology

Active and agile — often seen darting between flowers or perching to defend territory
Territorial: Males aggressively defend feeding areas
Flight: Quick, direct, and sometimes appears “buzzing” — hence the name buzo (buzzer)
Social: Usually seen alone or in pairs

🌍 Conservation Status

Not currently endangered — relatively common across its range
Threats:
Habitat loss (especially coastal and forested areas)
Invasive species (rats, cats)
Climate change altering flowering patterns
Despite threats, it thrives in agricultural zones and is often seen near human activity.

📸 Birding Tips

Best time to see: Early morning — when nectar levels are high and activity peaks
Look for: A small, green bird with a forked tail, often hovering near Heliconia or garden flowers
Sound: High-pitched, rapid bzzt! or twittering — like a tiny motor
Use: Small camera or telephoto lens to capture iridescent colors

🌿 Ecological Role

Pollinator: Vital for pollinating native flowers — especially Heliconia, which rely on bird pollinators
Biodiversity indicator: Its presence signals healthy, functioning ecosystems
Seed disperser: Occasionally ingests small seeds and spreads them

🎵 Cultural Significance

The “buzzer” has become a symbol of Puerto Rico’s natural beauty — especially among birdwatchers and nature lovers
Featured in:
Local art and folklore
Birding festivals
Educational programs about island ecosystems
Its name reflects its distinctive sound — a buzzing noise as it hovers and feeds

❗ Note on the Name “Zumbador Crestado”

While commonly called Zumbador Crestado in local usage, this bird does not have a visible crest. The name may stem from regional dialect, confusion with similar species, or a misattribution. The more accurate and widely accepted common names are:
Puerto Rican Emerald or Buzzer of Puerto Rico

📍 Where to See It in Toro Negro

Toro Negro State Forest is a great place to spot the Zumbador Crestado — especially near:
Coffee plantations
Forest edges
Garden feeders near casitas or visitor centers
Bring binoculars and a quiet presence — these tiny birds are quick and love to hover near flowers.

Puerto Rican Oriole

(Icterus portoricensis) — The Jewel of the Caribbean

Known for its striking black and yellow plumage and vibrant song, the Puerto Rican oriole is a stunning endemic bird and one of the most beautiful members of the New World blackbird family. Though not officially designated, it is often considered Puerto Rico’s unofficial national bird — a symbol of the island’s rich biodiversity.

🐦 Key Facts

Scientific Name: Icterus portoricensis
Family: Icteridae (New World blackbirds)
Status: Endemic to Puerto Rico — found nowhere else in the world
Common Names: Puerto Rican oriole, gavilán de sierra (in some regions), torcaz
Habitat: Tropical forests, mangroves, plantations, especially palm trees
Size: 20–23 cm; males weigh ~41 g, females ~36.6 g

🎨 Appearance & Sexual Dimorphism

The Puerto Rican oriole is sexually dimorphic, but both males and females are brightly colored — a rare trait in tropical birds.

♂ Male:

Head: Black
Back: Black
Wings: Black
Belly: Bright yellow on lower belly and shoulder
Tail: Black with yellow edges

♀ Female:

Head: Black
Back: Black
Wings: Black
Belly: Yellow (less vivid than male)
Overall: Slightly duller than male, but still bright

🟡 Key Feature: The yellow on the lower belly and shoulder — combined with the black body — makes them unmistakable.

🌿 Habitat & Distribution

You’ll find the Puerto Rican oriole in:

Tropical forests (especially in the central mountains)
Mangrove forests
Coffee plantations
Palm trees (they prefer nesting in palm fronds)

It avoids dense forest understories and is more common in open canopies — especially where palm trees are abundant.

🍃 Diet & Foraging

This species is omnivorous, feeding on:

Fruits: Figs, berries, and other soft fruits
Insects: Caterpillars, beetles, and small arthropods
Nuts and grains
Nectar (especially from flowers)

They forage in dense vegetation, often hanging upside down to reach food — a classic oriole behavior.

🏡 Nesting & Breeding

Nest: Basket-shaped, woven from palm fibers or plant material
Location: Suspended from the underside of palm leaves
Eggs: 3 pale, white eggs with bluish hue and light lavender-brown speckles
Incubation: ~13–15 days
Fledging: ~12–14 days after hatching
Breeding Season: February to July

They are considered monogamous — forming lifelong pairs, a rare trait among raptors and passerines.

🎵 Vocalizations

Song: A complex, high-pitched series of notes — often described as “clicks” or “whistles”
Frequency Range: 3.6–5.3 kHz
Structure: 15–27 different notes combined into a rhythmic pattern
Both sexes sing — a trait common in tropical orioles, unlike many temperate species

🟡 Note: The 2016 discovery of female song in I. portoricensis confirmed that female song is ancestral — not a recent adaptation.

🌍 Ecological Role

Seed disperser: Helps spread seeds of native fruiting trees
Insect control: Preys on caterpillars and other pests
Pollinator: Occasionally feeds on nectar
Keystone species: Its presence supports forest health

📣 Conservation Status

The Puerto Rican oriole is not endangered — in fact, it’s common and widespread.

However, threats include:

Habitat loss due to deforestation
Nest parasitism by shiny cowbirds (especially in coastal areas)
Invasive species (e.g., feral cats, rats)

Despite these, the population remains stable across most of its range.

📸 Birding & Photography Tips

Best time to see: Early morning or late afternoon
Look for: A black bird with a bright yellow belly and shoulder patch
Listen for: A high-pitched, rhythmic song — often described as “clicky” or “whistling”
Use: A good telephoto lens — they are often in dense foliage
Photography tip: Shoot in early light for best color and detail

🌟 Cultural Significance

The Puerto Rican oriole is a symbol of natural beauty and resilience. Its vibrant colors and song are often featured in:

Local art and music
Educational programs about biodiversity
Birding festivals and nature tours
Cultural celebrations — especially in the central mountains

It’s a living icon of the island’s lush, green forests.

Gorrión canela

Foto Jose R Robert

The “Gorrión canela” — literally “cinnamon sparrow” — is a local name used in Puerto Rico and parts of the Caribbean for the Rufous-collared Sparrow (Zonotrichia capensis). While not native to Puerto Rico (it’s native to Central and South America), it has been introduced and established populations in parts of the island — particularly in urban and suburban areas.

It’s sometimes confused with the House Sparrow (Passer domesticus), but the Rufous-collared Sparrow is a different species altogether — more colorful, with a distinct collar and song.

🐦 Rufous-collared Sparrow (Zonotrichia capensis)

Common Names:
- Gorrión canela (Puerto Rico, Dominican Republic)
- Cinnamon sparrow (English, regional)
- Collared sparrow
- Zonotrichia (scientific genus name)
Family: Passerellidae (New World sparrows)
Status in Puerto Rico: Introduced and established — not native
Native Range: Mountains and highlands from Mexico to Argentina, including the Andes

🎨 Appearance

Size: Small to medium sparrow — ~15–18 cm
Plumage:
- Head: Gray crown, black eye stripe, white supercilium (eyebrow)
- Throat & Collar: Rufous (cinnamon) collar — key field mark
- Breast: Grayish, streaked with brown
- Back: Brown with dark streaks
- Tail: Long, dark with white outer feathers

🟡 Key ID Mark: The rufous collar and gray head with black eye stripe make it easy to distinguish from the House Sparrow.

🌿 Habitat & Where to Find It in Puerto Rico

Preferred Habitats:
- Urban and suburban areas
- Parks, gardens, roadsides
- Agricultural zones
- Forest edges
In Puerto Rico:
- Common in San Juan, Ponce, Mayagüez, and other cities
- Often seen hopping on sidewalks, in parking lots, or perched on wires
- Adaptable to human-modified environments — unlike many native birds

🍽️ Diet & Foraging

Diet: Omnivorous — feeds on:
- Seeds (grains, grasses, weeds)
- Insects (especially during breeding season)
- Human scraps (in urban areas)
Foraging Behavior:
- Ground forager — often seen hopping and pecking
- Will visit bird feeders or scavenge near outdoor dining areas

🐣 Breeding & Nesting

Nest: Cup-shaped, built from grass, twigs, and plant fibers
Location: Usually low in shrubs, bushes, or even in building crevices
Eggs: 2–4 pale, speckled eggs
Incubation: ~12–14 days
Fledging: ~10–14 days after hatching
Behavior:
- Monogamous during breeding season
- Males sing to defend territory and attract mates
- Often seen in pairs or small family groups

🎵 Vocalizations

Song: A clear, whistled “tew-tew-tew-tew” or “chee-chee-chee-chee” — often repeated
Call: A sharp “chit” or “chip” — used as an alarm
Behavior: Singing males perch on elevated spots — fences, wires, rooftops — to broadcast their song

🟡 Note: The song is one of the most recognizable in urban Puerto Rico — often mistaken for a native bird’s call.

🌍 Conservation Status

Global Status: Least Concern (IUCN) — widespread and common
In Puerto Rico: Not threatened — population stable or increasing due to adaptability
Threats: None significant — thrives in human environments

📸 Birding Tips

Best time to see: Early morning — when males sing from perches
Look for: A sparrow with a rufous collar, gray head, and black eye stripe
Listen for: A clear, whistled song — often repeated from wires or rooftops
Use: Binoculars for close-up ID — especially to see the collar and head markings

🌿 Ecological Role

Seed disperser: Helps spread weed and grass seeds
Insect control: Eats small insects — especially during breeding season
Urban indicator: Its presence signals a healthy, human-modified ecosystem

🌟 Cultural Significance

The Gorrión canela is a familiar sight and sound in Puerto Rican cities — often associated with everyday life
Its song is sometimes mistaken for a native bird — contributing to local birding confusion
Not culturally symbolic like the Reina Mora or Oriole, but a beloved part of the urban soundscape

❗ Note: Don’t Confuse It With…

House Sparrow (Passer domesticus):
- Smaller, brown streaked back, no rufous collar
- Males have gray crowns and black bibs
- More common in Europe and North America — also introduced to Puerto Rico
Puerto Rican Sparrow (Arremonops conirostris):
- Native to Puerto Rico
- Larger, olive-green body, no rufous collar
- Found in forests, not urban areas

Puerto Rican Bulfinch (Comeñame)

(Melopyrrha portoricensis) — The “Comeñame”

Known locally as the comeñame — “the one who eats names” — this small, dark bird is a unique and endemic tanager found only in Puerto Rico. Though less flashy than some of its island relatives, the bulfinch plays a vital ecological role and offers a glimpse into the island’s rich, understated avian diversity.

🐦 Key Facts

Scientific Name: Melopyrrha portoricensis
Family: Thraupidae (tanagers)
Status: Endemic to Puerto Rico — found nowhere else
Common Names: Puerto Rican bulfinch, comeñame
Size: 17–19 cm; weighs ~32 g
Habitat: Dense forests, coffee plantations, thick brush, dry coastal thickets

🎨 Appearance

The Puerto Rican bulfinch is mostly black, with vivid orange markings that make it stand out:

Head: Black
Throat & Eye Area: Bright orange
Under-tail Base: Orange
Wings & Tail: Black
Beak: Short, thick, conical — adapted for cracking seeds

🟡 Key Field Mark: The orange throat and eye patch — a bright contrast against the dark plumage — is its most distinguishing feature.

🌿 Habitat & Distribution

You’ll find the bulfinch in:

Dense mountain forests (most common)
Lower forests with thick undergrowth
Coffee plantations
Dry coastal thickets
Rarely in mangroves

It’s widespread across the island — except the easternmost tip — but its population may be declining due to habitat loss.

🍽️ Diet & Foraging

The bulfinch is a generalist frugivore, eating:

Fruits — especially when available
Seeds — its primary food source
Insects and spiders — especially during breeding season
Flowers and nectar — occasionally

💡 Note: Despite being labeled “frugivorous,” it consumes animal matter — especially for feeding young — making it more of an opportunistic omnivore.

🐣 Reproduction & Nesting

Nest: Spherical, domed, or globular — made of woven plant material and sticks
Entrance: Side-opening
Location: Low to the ground — in tree forks, shrubs, or grass clumps
Eggs: 2–3 dull greenish eggs with dark markings
Incubation: ~14 days
Fledging: ~14–15 days after hatching

It’s suspected to exhibit cooperative breeding — juveniles helping adults build nests — especially in the Guanica region.

📣 Behavior & Ecology

Foraging: Ground-level or low branches — often moving through dense vegetation
Diet Flexibility: Adapts to food availability — switches between fruit, seeds, and insects
Nest Predators: Includes pearly-eyed thrashers, red-legged thrushes, mongooses, rats, cats, and iguanas
Breeding Season: March–June in wet forests; irregular in dry areas — possibly opportunistic

🟡 Important: Nest success is higher when fruit is abundant, precipitation is high, and nests are lower to the ground.

🌍 Conservation Status

The Puerto Rican bulfinch is not currently endangered, but its population is declining due to:

Habitat loss (especially in lowland forests)
Fragmentation of dense forest habitats
Invasive predators (mongooses, rats, cats)

It’s considered vulnerable in some assessments — especially in dry forest regions.

📸 Birding Tips

Best time to see: Early morning or late afternoon — when foraging activity peaks
Look for: A black bird with orange throat — often in dense undergrowth
Listen for: A soft, warbling call — not as loud as other tanagers
Use: A good pair of binoculars — they’re often hidden in thickets
Photography tip: Look in coffee plantations or dry coastal zones — where they’re more visible

🌿 Ecological Role

Seed disperser: Helps spread seeds of native plants
Insect control: Feeds on insects — especially during breeding
Biodiversity indicator: Its presence signals healthy, dense forest ecosystems
Generalist species: Adapts to changing environments — making it a resilient part of the island’s fauna

🌟 Cultural Significance

The “comeñame” is less celebrated than the reina mora or oriole — but it’s deeply rooted in local knowledge. Its name reflects its bold, curious behavior — often seen investigating human activity.

It’s a quiet hero of Puerto Rico’s forests — working behind the scenes to maintain ecological balance.

Coccyzus vieilloti (pajaro Bobo Mayor)

The Puerto Rican Squirrel Cuckoo (Pajaro Bobo Mayor)

Known locally as the pajaro bobo mayor (big foolish bird) or cuco lagartero de Puerto Rico, Coccyzus vieilloti is a medium-sized, forest-dwelling cuckoo endemic to Puerto Rico and the Caribbean. This bird is a specialist predator of lizards — particularly anole lizards — and plays a crucial role in maintaining the balance of island ecosystems.

🐦 Key Facts

Scientific Name: Coccyzus vieilloti
Family: Cuculidae (cuckoos)
Status: Endemic to Puerto Rico and the Caribbean — found nowhere else
Common Names: Puerto Rican squirrel cuckoo, pajaro bobo mayor, cuco lagartero
Size: 40–48 cm in length
Weight: ~80 g
Habitat: Moist forests, especially in the central and western mountains

🎨 Appearance

This bird has a distinctive, elongated body and long tail, making it one of the most recognizable cuckoos in the Caribbean.
Upperparts: Pardo-gray (brownish-gray)
Head: Gray
Throat & Neck: Whitish
Underparts: Cinnamon-yellow
Tail: Long, with white-tipped lateral feathers — giving it a banded or striped appearance from below
Bill: Long, straight, and slightly curved downward
Eyes: Red periocular rings
🟡 Key Field Mark: The white tips on the lateral tail feathers — which create a banded pattern when viewed from below — are the most reliable identification feature.

🌿 Habitat & Distribution

You’ll find C. vieilloti in:
Moist lowland and montane forests
Forest canopies — especially in El Yunque, Guánica, Guajataca, and Vega state forests
Dense, humid environments — where lizards are abundant
It’s a resident species in Puerto Rico — meaning it does not migrate.

🍽️ Diet & Hunting Behavior

This cuckoo is a specialist predator — primarily feeding on:
Lizards (especially anoles — Anolis spp.)
Large insects (e.g., caterpillars, beetles)
Spiders
It’s a slow, deliberate hunter, moving through the forest understory — often seen perched in low branches, scanning for prey.
🟡 Note: Unlike many cuckoos, it does NOT practice brood parasitism — it builds its own nest and raises its young.

🏡 Nesting & Breeding

Nest: Made of small twigs and sticks — placed high in trees
Location: Usually in a tree fork or canopy opening
Eggs: 3 (on average)
Incubation: ~14 days
Fledging: ~18–20 days after hatching
It’s monogamous — forming lifelong pairs — and both parents help raise the young.

🎵 Vocalizations

Call: A sharp, high-pitched chik or tchik — often described as a “bird cry” or “alert call”
Behavior: It’s not vocal during flight — but frequently emits calls when perched or hunting
🟡 Note: Its song is not complex — but its call is easily recognizable in the forest.

🌍 Conservation Status

The Puerto Rican squirrel cuckoo is not currently endangered, but faces moderate threats due to:
Habitat loss from deforestation
Fragmentation of native forests
Invasive predators (e.g., mongooses, cats, rats)
It’s considered vulnerable in some assessments — especially in fragmented forest zones.

📸 Birding Tips

Best time to see: Early morning — when lizards are active and the bird is foraging
Look for: A long-tailed bird with banded tail feathers, moving quietly through the forest understory
Listen for: A sharp, high-pitched chik — often from the canopy
Use: A good pair of binoculars — it’s often hidden in dense foliage
Photography tip: Look for it in El Yunque, Guánica, or Vega — where it’s most common

🌿 Ecological Role

Predator: Helps control lizard populations — especially anoles
Keystone species: Its presence signals a healthy forest ecosystem
Seed disperser: Occasionally eats fruit — helping spread seeds
Indicator species: Its decline is a red flag for forest degradation

🌟 Cultural Significance

The pajaro bobo mayor is a symbol of the island’s natural balance — a reminder that even the “foolish” birds have a purpose.
Its name reflects its bold, curious behavior — often seen investigating human activity or following trails in the forest.
It’s a quiet, persistent force in Puerto Rico’s ecosystems — working behind the scenes to maintain harmony.

turkey vulture (Cathartes aura)

The turkey vulture — also known as the buzzard, turkey buzzard, or John crow in parts of the Caribbean — is one of the most widespread and ecologically vital scavengers in the Americas. In Puerto Rico, it’s a common sight soaring high on thermals, playing a crucial role in keeping ecosystems clean and healthy.

🐦 Key Facts

Scientific Name: Cathartes aura
Family: Cathartidae (New World vultures)
Status: Not endemic — found from southern Canada to the southern tip of South America
Common Names: Turkey vulture, buzzard, John crow, carrion crow
Size: 64–81 cm long; wingspan 160–180 cm
Weight: 1.5–2.5 kg
Lifespan: Up to 20 years in the wild

🎨 Appearance

The turkey vulture is unmistakable:

Head: Bald, bright red (in adults), gray in juveniles
Body: Dark brown to black plumage
Wings: Broad, held in a slight “V” when soaring
Tail: Short, squared-off
Feet: Weak — not adapted for grasping prey

🟡 Key Field Mark: The bald red head and dark plumage — resembling a male wild turkey — give it its name.

🌿 Habitat & Distribution

Found in a wide range of environments:

Open and semi-open areas
Subtropical forests
Shrublands
Pastures
Deserts
Coastal zones

In Puerto Rico, it’s common in:

El Yunque National Forest
Guánica State Forest
Vega State Forest
Guajataca State Forest
Coastal areas and agricultural zones

It’s often seen soaring high above roads, fields, and forests — especially in the morning when thermals rise.

🍽️ Diet & Foraging

The turkey vulture is a scavenger, feeding almost exclusively on carrion — dead animals.

Primary Food: Roadkill, small mammals, reptiles, birds
Feeding Method: Locates carcasses using keen eyesight and sense of smell — rare among birds
Flight: Soars low to detect the gasses of decay — a unique adaptation

💡 Note: It rarely attacks live prey — its beak and feet are not built for hunting.

🏡 Nesting & Breeding

Nest: No true nest — lays eggs on the ground, in caves, hollow trees, or thickets
Eggs: Usually 2 white eggs with brown speckles
Incubation: ~30–40 days
Fledging: ~70–80 days after hatching
Parental Care: Both parents regurgitate food for the young

They are solitary nesters — often choosing secluded, dark places to avoid predators.

🎵 Vocalizations

The turkey vulture has no syrinx — the vocal organ of most birds — so it’s nearly silent.

Only Sounds: Grunts or low hisses — usually when threatened or feeding
No Song: Unlike most birds, it doesn’t sing or call loudly

🟡 Interesting Fact: Its silence adds to its eerie, ghostly presence — often seen circling high above, watching, waiting.

🌍 Ecological Role

The turkey vulture is a keystone scavenger — essential for:

Cleaning up carcasses — preventing disease spread
Recycling nutrients — returning organic matter to the ecosystem
Controlling disease — by consuming rotting flesh before it contaminates water or soil
Indicating ecosystem health — its presence signals functioning food webs

🛡️ Conservation Status

The turkey vulture is not endangered — in fact, it’s common and widespread across the Americas.

However, threats include:

Poisoning from lead ammunition or pesticides
Collisions with vehicles or power lines
Habitat loss — especially in forested areas

In the U.S., it’s protected under the Migratory Bird Treaty Act of 1918.

📸 Birding Tips

Best time to see: Early morning — when thermals are strong and vultures are soaring
Look for: A large, dark bird with a bald red head, soaring in a slight “V”
Listen for: Silence — if you hear grunts, you’re likely near a nest or roost
Use: Binoculars — they soar high and can be hard to ID without magnification
Photography tip: Capture them against the sky — dramatic silhouettes

🌟 Cultural Significance

The turkey vulture has a mixed reputation:

In some cultures, it’s seen as a symbol of death or bad omen
In others, it’s respected as a cleaner of the earth — a necessary force of nature
In Puerto Rico, it’s often called “John crow” — a name that reflects its presence in rural and coastal areas

Its silent, watchful presence makes it a powerful symbol of nature’s balance — a reminder that even decay has its purpose.

Antrostomus noctitherus (guabayro)

— The Puerto Rican Nightjar (Guabairo)

Known locally as the guabairo, this elusive, nocturnal bird is one of Puerto Rico’s most mysterious and culturally significant species. A member of the nightjar family (Caprimulgidae), the guabairo is a rare, ground-nesting bird that thrives in the island’s dry coastal forests — and its survival is a testament to conservation efforts.

🐦 Key Facts

Scientific Name: Antrostomus noctitherus
Family: Caprimulgidae (nightjars)
Status: Endemic to Puerto Rico — found nowhere else in the world
Common Names: Puerto Rican nightjar, guabairo
Size: 22–25 cm; wingspan ~50 cm
Habitat: Coastal dry forests — especially in southwestern Puerto Rico
Conservation Status: Endangered (IUCN Red List)

🎨 Appearance

The guabairo is a cryptic, camouflaged bird — perfectly adapted to blend into the dry forest floor:

Plumage: Mottled gray-brown — mimics leaf litter and bark
Eyes: Large, dark — adapted for low-light vision
Beak: Small, wide — for catching insects in flight
Wings: Long and rounded — silent flight for stealth hunting

🟡 Key Field Mark: The mottled gray-brown plumage and large, dark eyes — best seen at dusk or dawn.

🌿 Habitat & Distribution

The guabairo is found in:

Coastal dry forests — especially in southwestern Puerto Rico
Protected areas: Guánica State Forest, Cabo Rojo, and nearby reserves
Fragmented zones — due to habitat loss and degradation

Its range is highly fragmented, and populations are isolated — making conservation challenging.

🦟 Diet & Foraging

The guabairo is a nocturnal insectivore, feeding on:

Flying insects: Moths, beetles, grasshoppers
Arthropods: Spiders, crickets
Foraging Method: Swoops down from perches or flies low over the ground — catching prey in mid-air

It’s often seen flushing insects from the ground — using its wide mouth to snatch them in flight.

🏡 Nesting & Breeding

Nest: No true nest — lays eggs directly on the ground, often in leaf litter
Eggs: 1–2 pale, speckled eggs — camouflaged against the forest floor
Incubation: ~18–20 days — by both parents
Fledging: ~14–16 days after hatching
Breeding Season: Year-round, but peaks in spring and early summer

🟡 Important: Nesting success is threatened by predators — especially mongooses, rats, and feral cats.

🌍 Conservation Crisis

The guabairo was thought to be extinct until 1961 — when it was rediscovered in the dry forests of southwestern Puerto Rico.

Population: Estimated at 1,400–2,000 individuals
Threats:
- Habitat fragmentation and degradation
- Invasive predators (mongooses, rats, cats)
- Wind turbine development — up to 5% of the population could be lost to collisions
- Climate change altering dry forest ecosystems

💡 Note: A planned wind farm near Guayanilla has been granted an “incidental take” permit — allowing up to 5% of the population to be killed — sparking controversy among conservationists.

📣 Behavior & Ecology

Activity: Nocturnal — active at dusk, dawn, and night
Flight: Silent, buoyant — with slow, deliberate wingbeats
Call: A low, repetitive chuck-chuck-chuck — often heard at night
Social: Solitary or in pairs — rarely seen in groups

🟡 Fun Fact: Its scientific name — noctitherus — means “night beast” — a nod to its elusive, ghostly presence.

📸 Birding Tips

Best time to see: Dusk or dawn — when it’s most active
Look for: A mottled gray-brown bird on the ground or flying low over dry forests
Listen for: A low, repetitive chuck-chuck-chuck — often the first clue you’re near one
Use: A good flashlight or night-vision device — they’re hard to spot in low light
Photography tip: Use a fast shutter speed — they move quickly and quietly

🌟 Cultural Significance

The guabairo holds a special place in Puerto Rican folklore:

Often associated with mystery, silence, and the night
Its name — guabairo — reflects its quiet, elusive nature
A symbol of resilience — surviving against the odds in a fragmented habitat

It’s a living relic of Puerto Rico’s pre-colonial ecosystems — a reminder that even the most hidden creatures matter.

Anthracothorax viridis Zubador verde

The Puerto Rican Mango

Also known as the Puerto Rican emerald or green mango (zumbador verde), Anthracothorax viridis is a large, vibrant hummingbird endemic to Puerto Rico. With its iridescent green plumage and striking tail, it’s one of the island’s most beautiful and ecologically important nectarivores.

🐦 Key Facts

Scientific Name: Anthracothorax viridis
Family: Trochilidae (hummingbirds)
Status: Endemic to Puerto Rico — found nowhere else in the world
Common Names: Puerto Rican mango, green mango, zumbador verde
Size: 10–12 cm; wingspan ~15 cm
Weight: ~6–8 g
Habitat: Montane forests, coffee plantations, gardens — up to 800 m

🎨 Appearance

The Puerto Rican mango is a striking, medium-sized hummingbird with metallic green plumage and unique tail coloration.

♂ Male:

Head & Back: Iridescent green to violet-black
Tail: Dark blue to black, with white tips on outer feathers
Underparts: Green with bright orange-red on lower belly
Beak: Long, slightly curved — adapted for nectar feeding

♀ Female:

Head & Back: Less iridescent — olive-green
Tail: Brownish-red on underside, with white tips
Underparts: Pale green to white

🟡 Key Field Mark: The white-tipped tail — especially visible in flight — is the most reliable ID feature.

🌿 Habitat & Distribution

You’ll find the Puerto Rican mango in:

Montane forests — especially in the central mountains
Coffee plantations — where it thrives on nectar and insects
Gardens and parks — especially with Heliconia or other tubular flowers
Elevation Range: Up to 800 m — rarely seen in lowlands

It’s common in human-modified landscapes — making it one of the more accessible hummingbirds for birdwatchers.

🐝 Diet & Foraging

This species is a nectarivore, relying heavily on:

Flowers: Especially Heliconia spp., Pentas, and other tubular blooms
Insects: Small flying insects caught in flight (aerial hawking)
Nectar: Often from sugar water feeders — especially in gardens

💡 Note: Its long, curved beak is perfectly adapted to reach nectar deep within flowers — a classic hummingbird trait.

🏡 Nesting & Breeding

Nest: Cup-shaped, built from plant fibers and lichens
Eggs: 2 pale, white eggs
Incubation: ~14 days
Fledging: ~18–20 days after hatching
Breeding Season: Year-round — with peaks in spring and early summer

The nest is often placed low to the ground — in dense vegetation — offering protection from predators.

🐦 Behavior & Ecology

Foraging: Active and agile — often seen darting between flowers or perching to defend territory
Flight: Quick, direct, with a high-pitched buzz — hence the name zumbador
Territorial: Males defend feeding areas aggressively
Social: Usually seen alone or in pairs

🌍 Conservation Status

The Puerto Rican mango is not currently endangered, but faces threats due to:

Habitat loss (especially montane forests)
Invasive species (e.g., rats, cats)
Climate change altering flowering patterns

However, it remains relatively common across its range — especially in agricultural zones where it thrives.

📸 Birding Tips

Best time to see: Early morning, when nectar levels are high and activity peaks
Look for: A medium-sized green hummingbird with a white-tipped tail
Listen for: A high-pitched buzz or twittering noise — like a tiny motor
Use: A small camera or telephoto lens to capture its iridescent colors
Photography tip: Shoot in early light for best color and detail

🌿 Ecological Role

Pollination: Plays a vital role in pollinating native flowers — especially Heliconia, which rely on bird pollinators
Biodiversity indicator: Its presence signals healthy, functioning ecosystems
Seed disperser: Occasionally ingests small seeds and spreads them

🎵 Cultural Significance

The “zumbador verde” has become a symbol of Puerto Rico’s natural beauty — especially in the eyes of birdwatchers and nature lovers.

It’s featured in:

Local art and folklore
Birding festivals
Educational programs about island ecosystems

Its name reflects its distinctive sound — a buzzing noise as it hovers and feeds.

Foto Jose R Robert

Also known as the American kestrel, the Common Falcon (Falcón Común in Spanish) is the smallest and most widespread falcon in the Americas. In Puerto Rico, it’s a familiar and adaptable raptor — often seen perched on power lines, fence posts, or soaring over open fields, where it hunts small prey with precision.

🐦 Key Facts

Scientific Name: Falco sparverius
Family: Falconidae (falcons)
Status: Not endemic — found across North, Central, and South America
Common Names: Common kestrel, American kestrel, falcón común, cernícalo americano
Size: 20–25 cm; wingspan ~50–60 cm
Weight: 100–200 g
Lifespan: Up to 15 years in the wild

🎨 Appearance

The Common Falcon is a small, agile raptor with distinct markings:
Head: Grey with a black “mustache” stripe and white forehead
Back: Ruddy brown
Wings: Dark with white spots — especially on the back and shoulders
Tail: Reddish-brown with black bands
Underparts: Buff or pale with dark spotting
Beak: Sharp, hooked — adapted for tearing flesh
🟡 Key Field Mark: The rufous back, dark wing bars, and red tail with black bands — combined with its small size — make it unmistakable.

🌿 Habitat & Distribution

In Puerto Rico, you’ll find the Common Falcon in:
Open fields and grasslands
Agricultural zones
Coastal dunes and scrublands
Urban and suburban areas — especially near roads and power lines
Common Locations: Cabo Rojo, Guánica, and around major highways
It’s a highly adaptable species — often seen in human-modified landscapes where it preys on small animals.

🍽️ Diet & Foraging

The Common Falcon is a versatile predator, feeding on:
Small mammals: Mice, voles, and shrews
Birds: Sparrows, finches, and other small passerines
Reptiles: Lizards and snakes
Insects: Grasshoppers, crickets, and large beetles
It hunts by:
Soaring high above open areas — using thermals to stay aloft
Perching on poles or fences — then diving to catch prey
Aerial pursuit — chasing birds in flight
💡 Note: Its hunting style is often described as “hovering” — though it doesn’t truly hover like a kestrel in Europe — but rather flies in place using rapid wingbeats.

🏡 Nesting & Breeding

Nest: No true nest — uses tree cavities, cliff ledges, or even man-made structures (e.g., nest boxes)
Eggs: 3–6 pale, white eggs with reddish-brown spots
Incubation: ~27–30 days — by both parents
Fledging: ~28–35 days after hatching
Breeding Season: Year-round — but peaks in spring
They are monogamous — often returning to the same nesting site year after year.

🌍 Conservation Status

The Common Falcon is not endangered — in fact, it’s common and widespread.
However, threats include:
Habitat loss — especially in grasslands and open fields
Pesticide use — which reduces prey populations
Collisions with vehicles or power lines
Invasive species — such as feral cats and rats
In Puerto Rico, it’s protected under local wildlife laws — and its presence is a sign of healthy, functioning ecosystems.

📸 Birding Tips

Best time to see: Early morning or late afternoon — when thermals are strong and hunting activity peaks
Look for: A small, agile bird with rufous back and red tail with black bands
Listen for: A high-pitched klee-eep or kew-ee call — often heard when perched
Use: A good pair of binoculars — they soar high and can be hard to ID without magnification
Photography tip: Capture them perched on power lines or in flight — dramatic silhouettes

🌟 Cultural Significance

In Puerto Rico, the Common Falcon is a symbol of speed, agility, and survival — often seen as a protector of rural and agricultural zones.
Its name — falcón común — reflects its widespread presence — but also its resilience in the face of changing landscapes.

La casita

Toro Negro: Un Refugio en el Corazón del Bosque

Imagina despertar cada mañana envuelto en la frescura de la montaña, con el canto de aves endémicas como el San Pedrito (Todus mexicanus) y el múcaro común filtrándose entre los árboles... Así es la experiencia de hospedarse en una casita de campo en Toro Negro, Puerto Rico.

🌿 Un Paraíso Natural a Tu Alcance

Enclavada en el corazón del Bosque Estatal de Toro Negro, esta casita ofrece una escapada perfecta del bullicio urbano. Rodeada de una exuberante vegetación montañosa, es el punto de partida ideal para explorar uno de los ecosistemas más ricos y húmedos de la isla.

🐦 Fauna: Un Espectáculo Viviente

Desde la terraza de la casita, la naturaleza se convierte en tu entretenimiento:

El vibrante zumbador verde (Anthracothorax viridis) revolotea entre las flores de Heliconia
El esquivo gavilán pecho rufo surca los cielos entre los picos montañosos
El carpintero de Puerto Rico (Melanerpes portoricensis) anuncia su presencia con su característico "Pik!"
La reina mora (Spindalis portoricensis), ave nacional no oficial, adorna los árboles con sus colores brillantes
Al caer la noche, el misterioso canto del múcaro común resuena entre las sombras del bosque

🌺 Flora: Un Jardín Silvestre

Los senderos que rodean la casita te llevan a través de:

Árboles de Cecropia y Clusia, fuente de alimento para tanágaras y espindalis
Heliconias tropicales, que atraen colibríes con sus flores llamativas
Bosques montanos húmedos cubiertos de helechos, bromelias y orquídeas silvestres
Cafetales tradicionales que aún albergan especies como el pájaro bobo mayor

💧 Ríos y Caminos: La Aventura al Paso Lento

Toro Negro es hogar de algunos de los ríos más puros y cristalinos de Puerto Rico:

Sus pozas naturales invitan a un baño refrescante entre la vegetación
Los caminos y veredas del bosque te guían entre cascadas escondidas y miradores naturales
El Cerro Punta, el pico más alto de Puerto Rico, se encuentra a poca distancia, ofreciendo vistas panorámicas incomparables
Los senderos son ideales para caminatas tranquilas al amanecer, cuando la fauna es más activa

🌙 Relajación Total: Desconéctate del Mundo

La casita de campo en Toro Negro no es solo un lugar para dormir, es una experiencia sensorial completa:

El sonido del río, la brisa fresca de la montaña, el aroma a tierra mojada y el coro de coquíes al anochecer crean una sinfonía natural que sana el alma.

Noches frescas y tranquilas, perfectas para descansar profundamente
Cielos estrellados lejos de la contaminación lumínica de la ciudad
Un ambiente ideal para la meditación, el yoga o simplemente leer rodeado de naturaleza
La posibilidad de llevar un diario de avistamiento de aves, documentando cada especie observada

🔭 Observación de Aves: Un Destino de Clase Mundial

Con más de 300 especies de aves en Puerto Rico y al menos 17 endémicas, Toro Negro es considerado uno de los mejores destinos de birdwatching del Caribe.

La casita de campo en Toro Negro no es simplemente un alojamiento, es una puerta de entrada a uno de los tesoros naturales más preciados de Puerto Rico, donde cada amanecer trae consigo nuevas maravillas y cada sendero cuenta una historia de vida silvestre única en el mundo. 🌄

Toro Negro Bird Watching Digital log

Caribbean Sea View. #Surfing #Camping #Hiking

Toro Negro Bird Watching Ponce Puerto Rico

Puerto Rican Tody

Key Features:

Behavior and Ecology:

Breeding and Nesting:

Conservation Status:

Historical Note:

Taxonomy and Phylogeny:

Puerto Rican Woodpecker

🐦 Puerto Rican Woodpecker (Melanerpes portoricensis)

🎨 Description

🌳 Habitat & Range

🍽️ Diet

🐣 Breeding & Nesting

🌐 Ecological Role

⚠️ Conservation Status

📸 Photography & Birding Tips

📌 Fun Fact

Grey kingbird

🐦 Puerto Rican Woodpecker (Melanerpes portoricensis)

🎨 Description

🌳 Habitat & Range

🍽️ Diet

🐣 Breeding & Nesting

🌐 Ecological Role

⚠️ Conservation Status

📸 Photography & Birding Tips

📌 Fun Fact

Loggerhead kingbird

🐦 Loggerhead Kingbird: The Subtropical Forest Sentinel

🗺️ Where to Find It in Puerto Rico

📐 Key Identification Features

🍽️ Diet & Hunting Behavior

🏡 Nesting & Breeding

🌍 Distribution & Habitat

🌿 Ecological Role & Significance

📸 How to Identify It in the Field

📲 How to Contribute to Conservation

🌳 Cultural & Scientific Relevance

🌿 Final Thought

Puerto Rican tanager

🐦 Puerto Rican Tanager: The "Crier" of the Mountain Forests

🗺️ Where to Find It in Puerto Rico

📐 Key Identification Features

📣 Voice & Behavior

🍴 Diet & Foraging Habits

🏡 Nesting & Breeding

🌍 Conservation Status & Threats

📸 How to Spot It in the Field

🌿 Why It Matters

📲 How You Can Help

🌿 Final Thought

Puerto Rican sharp-shinned hawk

🐾 Key Facts at a Glance

🗺️ Where to Find It

🐦 Identification & Physical Features

🍽️ Diet & Hunting Behavior

🏡 Nesting & Breeding

🌍 Conservation Crisis & Threats

Causes of Decline:

📣 Voice & Behavior

🐦 Why It Matters

📲 How You Can Help

📍 Where to See It

🖼️ Visual Identification

🍽️ Diet & Hunting Behavior

🏡 Nesting & Breeding

🌿 Ecological Role

📸 Birding Tips

🐦 Cultural Significance

🛡️ Conservation Status

Puerto Rican Spindalis

Puerto Rican Spindalis (Spindalis portoricensis) — The “Reina Mora”

🐦 Key Facts

🎨 Appearance & Sexual Dimorphism

♂ Male:

♀ Female:

🌿 Habitat & Distribution

🍽️ Diet & Foraging

This species is a nectarivore, relying heavily on:
Flowers: Especially Heliconia spp. and other tubular blooms
Insects: Small flying insects caught in flight (aerial hawking)
It also feeds on sugar water in gardens — making it a popular visitor to backyard feeders.

Nest: Cup-shaped, built from plant fibers and lichens
Eggs: 2 pale, white eggs
Incubation: ~14 days
Fledging: ~18–20 days after hatching
The nest is often placed low to the ground — in dense vegetation — offering protection from predators.

Foraging: Active and agile — often seen darting between flowers or perching to defend territory
Flight: Quick, direct, and sometimes appears "buzzing" — hence the name buzo (buzzer)
Territorial: Males defend feeding areas aggressively
Social: Usually seen alone or in pairs

Pollination: Plays a vital role in pollinating native flowers — especially Heliconia, which rely on bird pollinators
Biodiversity indicator: Its presence signals healthy, functioning ecosystems
Seed disperser: Occasionally ingests small seeds and spreads them

Nectarivore: Feeds heavily on nectar from flowers like Heliconia spp.
Insectivore: Catches small flying insects mid-air (aerial hawking)
Also visits sugar water feeders — a popular visitor to backyard gardens

Nest: Cup-shaped, built from plant fibers and lichens
Eggs: 2 pale, white eggs
Incubation: ~14 days
Fledging: ~18–20 days after hatching
Nest Placement: Often low to the ground in dense vegetation for protection

Active and agile — often seen darting between flowers or perching to defend territory
Territorial: Males aggressively defend feeding areas
Flight: Quick, direct, and sometimes appears “buzzing” — hence the name buzo (buzzer)
Social: Usually seen alone or in pairs

Not currently endangered — relatively common across its range
Threats:
Habitat loss (especially coastal and forested areas)
Invasive species (rats, cats)
Climate change altering flowering patterns
Despite threats, it thrives in agricultural zones and is often seen near human activity.

Pollinator: Vital for pollinating native flowers — especially Heliconia, which rely on bird pollinators
Biodiversity indicator: Its presence signals healthy, functioning ecosystems
Seed disperser: Occasionally ingests small seeds and spreads them

While commonly called Zumbador Crestado in local usage, this bird does not have a visible crest. The name may stem from regional dialect, confusion with similar species, or a misattribution. The more accurate and widely accepted common names are:
Puerto Rican Emerald or Buzzer of Puerto Rico

Toro Negro State Forest is a great place to spot the Zumbador Crestado — especially near:
Coffee plantations
Forest edges
Garden feeders near casitas or visitor centers
Bring binoculars and a quiet presence — these tiny birds are quick and love to hover near flowers.