Feather & Bird Encyclopedia
Search and identify feathers by species — with feather type, plumage, colours, size, habitat, and how to tell them apart in the field.

King Eider
The King Eider is a large arctic sea duck whose male combines a colorful blue-gray and pale green head with a black body and white breast, topped by an orange bill shield.
waterfowl
Pink-footed Goose
A compact gray goose with a notably darker head and neck than its body, a short pink-banded bill, and pink legs, breeding in the far North Atlantic and wintering on European farmland.
waterfowl
Rufous-collared Robin
The Rufous-collared Robin is a highland thrush of Mexico and Guatemala, identified by its bright rufous-orange collar and breast band contrasting sharply against otherwise dark gray-black plumage.
songbird
House Sparrow
The House Sparrow is an introduced species whose males show a gray crown, chestnut nape and black throat bib over a streaked brown back, while females are plain buffy-brown.
songbird
Chinese Grosbeak
A medium-sized East Asian finch with a black head, gray-brown body, and a bright yellow bill tipped in black, smaller and more widespread than its relative the Japanese Grosbeak.
songbird
Yellow-rumped Warbler
One of North America's most abundant warblers, easily known by small bright-yellow patches on the rump, sides, and crown set against streaky gray-brown feathers.
songbird
Sabine's Gull
A strikingly patterned Arctic-breeding gull whose bold black, white, and gray tricolored wing pattern and forked tail make it one of the most distinctive gulls in flight.
seabird
Rock Ptarmigan
A circumpolar tundra grouse that turns from mottled gray-brown in summer to pure white in winter, always retaining black tail feathers as a year-round field mark.
gamebird
Western Scrub-Jay
A crestless blue-and-gray jay of western oak woodland and scrubby habitat, easily told from crested jays by its plain head and blue "necklace" across the breast.
corvid
Red-faced Warbler
A gray-backed, high-mountain warbler with a strikingly bright red face and throat set off by a black crown and nape, unlike any other North American warbler.
songbird
Pygmy Nuthatch
The Pygmy Nuthatch is a tiny, highly social western pine-forest nuthatch whose dull gray-brown cap and small feather size distinguish it from other nuthatches.
songbird
Northern Parula
One of the smallest and most compact wood-warblers, blue-gray above with a yellow throat and a distinctive olive-green back patch, tied to hanging moss or lichen for nesting.
songbird
Connecticut Warbler
A large, elusive warbler with a full gray hood and a bold, complete white eye-ring, known for walking rather than hopping and for skulking through dense low vegetation.
songbird
Black Tern
A distinctive marsh tern that turns almost entirely sooty-black during the breeding season, a striking departure from the pale gray-and-white pattern typical of most terns.
seabird
Laysan Albatross
A North Pacific albatross with a clean white head and body contrasting against dark gray upperwings, distinguished from its dark-bodied Black-footed relative by its predominantly pale plumage.
seabird
Northern Pygmy-Owl
A tiny, fierce diurnal owl of western mountain forests, notable for the false 'eyespots' on the back of its head. Its feathers show heavy white spotting on a rufous or gray-brown ground color.
owl
Sandhill Crane
A tall North American crane, gray overall but often stained rusty-brown from preening with iron-rich mud, famous for its massive migratory staging flocks and rolling bugle call.
wading bird
Rock Pigeon
A stocky, familiar city bird whose feather color is famously variable, though wild-type individuals retain a blue-gray body with two dark wingbars and an iridescent green-purple neck.
dove pigeon
Cedar Waxwing
A sleek, crested bird best known for the small, waxy red tips on its secondary wing feathers, paired with a soft brown-to-gray body and a bright yellow band across the tail tip.
songbird
American Robin
The American Robin is a familiar thrush whose warm orange breast feathers and plain gray-brown back feathers make it one of the easiest yard birds to identify from a single dropped feather.
songbird
South Polar Skua
A powerfully built Antarctic seabird closely resembling the Great Skua but often paler and grayer overall, ranging across some of the most remote polar and pelagic waters on Earth.
seabird
Cassin's Auklet
A small, drab, sooty-gray auklet lacking the bold facial ornaments of its relatives, most easily told by its stubby bill with a small pale spot near the tip.
seabird
Ferruginous Pygmy-Owl
A tiny, day-active owl of arid scrub and thorn forest across the Americas, often revealed by its bold rufous or gray-brown coloring and long, cocked, barred tail.
owl
Gang-gang Cockatoo
A small, distinctive Australian cockatoo, the Gang-gang shows scaly gray body plumage in both sexes, with males further marked by a bright red head and a wispy, curled crest.
parrot