Bird Identifier

Bird Encyclopedia

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

Willet

Willet

A plain gray-brown sandpiper that transforms in flight, flashing a bold black-and-white wing pattern unlike any other North American shorebird.

shorebird
Willow Ptarmigan

Willow Ptarmigan

A tundra grouse and Alaska's state bird, turning pure white in winter and rich mottled rufous-brown in summer, with males retaining a chestnut head and neck longest into spring.

gamebird
Willow Warbler

Willow Warbler

A delicate, greenish leaf warbler best known for its sweet, descending, cascading song, one of the clearest signs of spring across much of Europe.

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
Willow Flycatcher

Willow Flycatcher

A plain, greenish-brown Empidonax flycatcher best identified by its sneezy 'fitz-bew' song, breeding in dense willow thickets across North America.

songbird
Willow Tit

Willow Tit

A small, plain tit nearly identical to the Marsh Tit but with a duller matte-black cap, favoring damp woodland and willow or birch scrub.

songbird
Chuck-will's-widow

Chuck-will's-widow

The largest nightjar in North America, best known for its far-carrying, repetitive nighttime call that gives the bird its name.

other
Red Grouse

Red Grouse

A reddish-brown grouse of British and Irish heather moorland, a distinctive subspecies of the Willow Ptarmigan found nowhere else.

gamebird
Yellow Warbler

Yellow Warbler

A brilliant, all-yellow warbler of streamside willows and wet thickets, with breeding males showing fine rusty streaks on the breast.

songbird
Bell's Vireo

Bell's Vireo

A small, drab, hyperactive vireo of dense willow and mesquite thickets, known for its fast, chattering, question-and-answer song.

songbird
Alder Flycatcher

Alder Flycatcher

A plain, olive-brown Empidonax flycatcher of northern alder swamps and wet shrublands, virtually identical to the Willow Flycatcher except by voice.

songbird
Marsh Tit

Marsh Tit

A small, plain brown-gray tit with a glossy black cap and neat black bib, closely resembling the Willow Tit but favoring drier, more mature woodland.

songbird