Bird Identifier

Bird Encyclopedia

Search and identify 1,000+ birds — with size, habitat, diet, voice, behavior, and the field marks that tell them apart.

Black-capped Vireo

Black-capped Vireo

A small vireo of Texas oak scrub with a glossy black cap, bold white spectacles, and a red eye, a conservation success story after habitat restoration and cowbird control.

songbird
Pelagic Cormorant

Pelagic Cormorant

A slim, iridescent black-green cormorant of rugged North Pacific coastlines, showing a thin bill and small head crests in breeding plumage, nesting precariously on narrow sea cliff ledges.

seabird
Leach's Storm-Petrel

Leach's Storm-Petrel

A small, dark, forked-tailed storm-petrel with an erratic, bat-like flight, spending nearly its entire life far out at sea and visiting nesting burrows only at night.

seabird
Black-throated Blue Warbler

Black-throated Blue Warbler

A strikingly two-toned warbler; males are deep slate-blue above and jet-black below with a white belly, while females are plain brownish-olive with a small white wing spot.

songbird
Lesser Rhea

Lesser Rhea

A large flightless bird of the southern South American steppe, smaller and paler than the Greater Rhea, with grayish-brown plumage flecked with white.

other
Broad-billed Motmot

Broad-billed Motmot

A smaller forest motmot with a rufous chest and face, a green back and crown, and a broad, wide-based bill, often perching quietly low in the understorey.

other
Bicknell's Thrush

Bicknell's Thrush

A rare, high-elevation thrush of northeastern mountaintop spruce forests, nearly identical to Gray-cheeked Thrush but with a much smaller, more threatened range.

songbird
Willie Wagtail

Willie Wagtail

A small, confident black-and-white bird constantly wagging its tail from side to side, well known for its cheerful song and bold habit of mobbing much larger birds.

songbird
Tomtit

Tomtit

A small, big-headed New Zealand forest bird, the male boldly black-and-white or black-and-yellow depending on region, often seen perched quietly before darting after insects.

songbird
Intermediate Egret

Intermediate Egret

A medium-sized white egret of Africa, Asia, and Australia whose size and proportions fall neatly between the larger Great Egret and smaller Little Egret.

wading-bird
Dartford Warbler

Dartford Warbler

A small, dark, long-tailed warbler of gorse-covered heathland, notable for its deep wine-red underparts and its unusual habit of staying put year-round rather than migrating.

songbird
Greater Scaup

Greater Scaup

A rounded-headed diving duck of large open waters, the drake showing a glossy greenish-black head and pale gray back, closely resembling the smaller Lesser Scaup.

waterfowl
Bee Hummingbird

Bee Hummingbird

The world's smallest bird, a Cuban hummingbird barely larger than a large insect, with the breeding male sporting an iridescent rose-pink head and throat.

hummingbird
Calliope Hummingbird

Calliope Hummingbird

The smallest breeding bird in the United States and Canada, best known for the male's streaked magenta throat rays.

hummingbird
Green-tailed Towhee

Green-tailed Towhee

A shy, olive-green towhee with a rufous cap and white throat, the smallest and most colorful of the towhees.

songbird
Southern Boobook

Southern Boobook

Australia's smallest and most common owl, best known for its distinctive two-note 'boobook' or 'mopoke' call.

owl
Hooded Merganser

Hooded Merganser

The smallest North American merganser, with males sporting a dramatic fan-shaped black-and-white crest.

waterfowl
James's Flamingo

James's Flamingo

The smallest flamingo of the high Andes, pale pink with brick-red legs and a short, mostly yellow bill.

wading-bird

Demoiselle Crane

The smallest and most delicately built of the crane species, with blue-grey plumage, a black neck, and striking white ear-tuft plumes.

wading-bird
Red-backed Fairywren

Red-backed Fairywren

The smallest fairywren, with breeding males a striking combination of jet black plumage and a vivid scarlet back patch.

songbird
Lesser Frigatebird

Lesser Frigatebird

The smallest frigatebird, black overall with distinctive white patches on the flanks, found across the tropical Indo-Pacific.

seabird
Nankeen Kestrel

Nankeen Kestrel

Australia's smallest falcon, a rufous-backed kestrel famous for hovering motionless in the air while scanning for prey.

raptor
Elf Owl

Elf Owl

The world's smallest owl, a sparrow-sized desert dweller that nests in old woodpecker holes in saguaro cacti.

owl
Lesser Goldfinch

Lesser Goldfinch

The smallest North American goldfinch, a bright yellow-and-black finch of western gardens, scrub, and open woods.

songbird