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

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
Black-throated Gray Warbler
A crisply patterned gray, black, and white warbler of dry western woodlands, with a small yellow spot in front of the eye as its only splash of color.
songbird
Black-throated Green Warbler
A bright yellow-faced warbler with an olive-green back and a black throat and bib on breeding males, common in northern conifer and hemlock forests.
songbird
Lesser Nighthawk
A master of aerial insect-catching, this cryptically patterned nightjar is a common sight over southwestern deserts during summer evenings.
other
American Crow
A highly intelligent, all-black corvid famous for its adaptability, problem-solving, and complex social behavior.
songbird
Northwestern Crow
A small, coastal crow of the Pacific Northwest closely resembling the American Crow and often found foraging along tidelines.
songbird
Fish Crow
A smaller, coastal cousin of the American Crow best told apart by its distinctive nasal, two-note call.
songbird
Common Nighthawk
A master of aerial acrobatics, the Common Nighthawk is a cryptically patterned nightjar easily recognized by the bold white bars on its long, pointed wings as it hunts insects at dusk.
other
Audubon's Oriole
A secretive yellow-and-black oriole with a full black hood, found in the United States only in the dense brushlands of the lower Rio Grande Valley.
songbird
Brewer's Blackbird
A glossy, pale-eyed blackbird of open western habitats, common in parking lots, parks, and farmland, with a purple-and-green iridescent sheen.
songbird
Wilson's Warbler
A small, bright yellow warbler with an olive back and, in males, a neat round black cap, often seen flicking its tail as it forages actively in low shrubs.
songbird
Phainopepla
A slim, crested desert songbird; glossy jet-black males and soft gray females that depend heavily on mistletoe berries.
songbird
Rusty Blackbird
A boreal-breeding blackbird that turns rusty-edged in fall plumage, now one of the most steeply declining songbirds in North America.
songbird
White-tailed Kite
A pale, elegant hawk with black shoulder patches that hunts by hovering gracefully over open fields on beating wings.
raptor
Blackpoll Warbler
A boreal-breeding warbler famous for its extraordinary nonstop transoceanic migration flight from the northeastern U.S. to South America.
songbird
Red-winged Blackbird
A glossy black marsh bird whose males display bold red-and-yellow shoulder patches while perched and singing atop cattails.
songbird
Lesser Goldfinch
The smallest North American goldfinch, a bright yellow-and-black finch of western gardens, scrub, and open woods.
songbird
Blackburnian Warbler
A dazzling warbler with a blazing orange throat and face on breeding males, often glimpsed high in conifer treetops and nicknamed the 'firethroat.'
songbird
Yellow-headed Blackbird
A striking marsh blackbird with a brilliant yellow head and breast on males, forming dense breeding colonies over open water.
songbird
House Sparrow
A stocky, chunky-billed sparrow closely tied to human settlements, with males showing a gray crown, chestnut nape, and black bib.
songbird
Cassin's Finch
A rosy-crowned montane finch of western conifer forests, closely resembling the Purple Finch but with a more sharply contrasting cap.
songbird
King Eider
A striking Arctic sea duck; breeding males have a colorful orange, blue-gray, and green head crowned with a large orange frontal shield.
waterfowl
Tufted Duck
A small diving duck of Eurasia, easily recognized by the male's striking black-and-white plumage, bright yellow eyes, and distinct hanging crest or 'tuft'.
waterfowl
Hutton's Vireo
A plain, year-round resident vireo of western oak woodlands, easily confused with the Ruby-crowned Kinglet, with a broken white eye-ring and two wing bars.
songbird