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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.

Great Black-backed Gull

Great Black-backed Gull

The world's largest gull, the Great Black-backed Gull shows strikingly dark slate-black mantle feathers contrasting with a pure white head and body, and is a powerful predator as well as scavenger along North Atlantic coasts.

seabird
Lesser Black-backed Gull

Lesser Black-backed Gull

A medium-large gull of European waters with dark slate-gray to blackish mantle feathers and yellow legs, the Lesser Black-backed Gull has expanded its range widely and increasingly turns up well inland.

seabird
Black-headed Gull

Black-headed Gull

A small, gregarious Old World gull whose chocolate-brown (not black) hood and white leading-edge wing wedge make it easy to pick out from mixed flocks.

seabird
Black-backed Woodpecker

Black-backed Woodpecker

A fire-and-beetle-kill specialist of North American conifer forests, told from the Three-toed Woodpeckers by its solid, unbarred glossy black back.

woodpecker
Silver Gull

Silver Gull

A common and adaptable Australian gull with white plumage, pale grey wings, and black wingtips marked with white spots.

seabird
Ivory Gull

Ivory Gull

A pure white, high Arctic gull closely tied to pack ice, whose all-white adult plumage and short black legs make it unmistakable among northern seabirds.

seabird
Herring Gull

Herring Gull

A familiar large gull of the Old World, the Herring Gull shows pale gray mantle feathers, black-and-white patterned wingtips, and pink legs, taking several years to reach its fully patterned adult plumage.

seabird
Great Tit

Great Tit

A boldly patterned tit with a glossy black head and white cheeks, bright yellow underparts split by a black central stripe, and blue-grey wings with a white bar, among the most recognizable garden songbirds.

songbird
Great Hornbill

Great Hornbill

The Great Hornbill is one of the largest Asian hornbills, marked by bold black-and-white plumage and topped with a massive yellow-and-black casque. It flies with loud, whooshing wingbeats between fruiting trees in dense evergreen forest.

other
California Gull

California Gull

A medium-large gull of the American West, the California Gull shows medium gray back feathers and dark eyes, and is notable historically for its role in protecting early Utah crops from insect swarms.

seabird
Great Kiskadee

Great Kiskadee

A large, boldly patterned flycatcher named for its loud, ringing call, with a black-and-white striped head, sulfur-yellow underparts, and rufous edging on the wings and tail. It is a common and conspicuous bird from Texas to Argentina.

songbird
Great Sapphirewing

Great Sapphirewing

One of the largest hummingbirds, the Great Sapphirewing shows deep green body plumage set off by brilliant sapphire-blue wing feathers visible in flight.

hummingbird
Great Shearwater

Great Shearwater

A large shearwater with a dark cap set off by a pale collar and scaly-patterned brown upperparts, showing a distinctive dark belly patch against otherwise white underparts.

seabird
Great Knot

Great Knot

The largest of the knots, this East Asian-Australasian Flyway specialist shows a densely spotted blackish breast in breeding plumage and a notably longer, heavier bill than its close relative the Red Knot.

shorebird
Great Argus

Great Argus

A pheasant of Southeast Asian rainforest famous for the male's extraordinarily elongated wing feathers, patterned with large eye-like spots and displayed in a dramatic fan during courtship.

gamebird
Streak-backed Oriole

Streak-backed Oriole

A vividly orange oriole of Mexican and Central American dry forests, distinguished by black streaking across its back, and an occasional rare visitor to the southwestern United States.

songbird
Olive-backed Sunbird

Olive-backed Sunbird

A widespread and adaptable sunbird found from South Asia to northern Australia, with olive-green upperparts, yellow underparts, and a glittering blue-black throat in breeding males.

songbird
Chestnut-backed Chickadee

Chestnut-backed Chickadee

The Chestnut-backed Chickadee is a Pacific coastal chickadee whose warm chestnut-brown back and flank feathers set it apart from every other North American chickadee.

songbird
Great Cormorant

Great Cormorant

A large, glossy black cormorant with a white throat patch and, during the breeding season, a striking white patch on each flank.

seabird
Great Skua

Great Skua

A powerfully built, gull-sized seabird cloaked in dark brown plumage flecked with rufous and buff, best known for its bold white wing-flash and aggressive, piratical habits.

seabird
Great Egret

Great Egret

A tall, all-white heron with a long yellow bill and black legs, famous for the delicate plumes it grows during the breeding season.

wading bird
Great Frigatebird

Great Frigatebird

A large, soaring tropical seabird closely resembling the Magnificent Frigatebird, with glossy black males and females marked by a white breast patch and pale wing bar.

seabird
Great Curassow

Great Curassow

A large, turkey-sized forest bird, with males glossy black and white below and topped by a curly crest and bright yellow bill knob. Females occur in several distinct color morphs, ranging from barred to rufous to blackish.

gamebird
Great Rosefinch

Great Rosefinch

One of the largest rosefinches, a high-altitude species with deep crimson-pink male plumage flecked with silvery-white spots.

songbird