Bird Encyclopedia
Search and identify 1,000+ birds — with size, habitat, diet, voice, behavior, and the field marks that tell them apart.
Clark's Grebe
A large, pale grebe closely resembling the Western Grebe, distinguished by a brighter orange bill and white plumage encircling the eye.
waterfowl
Yellow-legged Gull
A large gull of the Mediterranean and western Europe, similar to the Herring Gull but with yellow legs and a darker mantle, and a rare vagrant to eastern North America.
seabird
Lazuli Bunting
The western counterpart of the Indigo Bunting, with males showing a sky-blue head and back, a warm orange breast band, and a white belly.
songbird
Flammulated Owl
A tiny, dark-eyed, migratory owl of western pine forests whose deep, ventriloquial hoot belies its diminutive size.
owl
Red-naped Sapsucker
A western sapsucker closely resembling the Yellow-bellied Sapsucker, distinguished by a red patch extending onto the nape, and closely tied to mountain aspen groves.
woodpecker
Dusky Flycatcher
A gray-olive Empidonax flycatcher of open western mountain shrublands and forest edges, closely resembling several relatives and best told apart by voice.
songbird
Plumbeous Vireo
The grayest member of the former 'Solitary Vireo' complex, an interior western species of pine-oak forest with white spectacles and no olive or yellow tones.
songbird
Little Bunting
A diminutive, chestnut-faced bunting of the far northern taiga, a scarce but regular vagrant to western Europe outside its core Siberian and Asian range.
songbird
Barrow's Goldeneye
A western diving duck closely related to the Common Goldeneye, the drake distinguished by a crescent-shaped white face patch and a steep purplish-black head.
waterfowl
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
Cassin's Kingbird
A chunky gray-headed flycatcher of southwestern oak country, best told from the similar Western Kingbird by its darker chest and raspy voice.
songbird
Cassin's Vireo
A western vireo with a subdued gray-green head, white spectacles, and pale yellow flanks, once lumped with Blue-headed and Plumbeous Vireo as the 'Solitary Vireo.'
songbird
White-faced Ibis
A dark, iridescent ibis of western wetlands, closely resembling the Glossy Ibis but marked by a thin band of white feathering around its red eye and face during breeding.
wading-bird
Whiskered Screech-Owl
A small, gray, ear-tufted owl of southwestern oak canyons, best distinguished from the similar Western Screech-Owl by its distinctive irregular-rhythm song.
owl
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
Nashville Warbler
A small, active warbler with a gray head, bold white eyering, olive back, and bright yellow underparts, occurring in two disjunct eastern and western breeding populations.
songbird
Glaucous-winged Gull
A large, pale gull of the Pacific Northwest coast whose wingtips blend almost seamlessly with its gray mantle, and which frequently hybridizes with the darker Western Gull.
seabird
Chukar
A bold, boldly barred Eurasian partridge introduced to the arid, rocky western United States, known for its distinctive black facial necklace and cackling call echoing across canyon terrain.
gamebird
Band-tailed Pigeon
A large, plain gray forest pigeon of the western mountains, told by its yellow bill, white nape crescent, and pale terminal tail band, often gathering in flocks at acorn-rich oak groves.
other
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
Lesser Scaup
North America's most abundant diving duck, closely resembling the Greater Scaup but with a peaked crown and a purplish (rather than greenish) head gloss.
waterfowl