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.
Chaco Owl
A dark-eyed true owl of the Gran Chaco woodlands, closely related to the Rufous-legged Owl, with densely barred brown plumage suited to dry scrub forest.
owl
Demoiselle Crane
The smallest of the world's cranes, a blue-grey bird with a black head and breast set off by long, drooping white ear-tuft plumes trailing behind the eyes.
wading bird
Topknot Pigeon
Australia's largest fruit-eating pigeon, instantly recognizable by its unusual double crest-a grey forward-curling tuft paired with a rufous-chestnut crest behind it.
dove pigeon
Eurasian Wigeon
The Old World counterpart to the American Wigeon, with a rich chestnut head, pale cream crown stripe, and grey axillary feathers that distinguish it from its American relative.
waterfowl
Eurasian Tree Sparrow
A small farmland sparrow distinguished from its House Sparrow relative by a chestnut crown (rather than grey) and a distinct black spot on an otherwise white cheek.
songbird
Eurasian Blackcap
A plain grey-brown warbler whose crown feathers immediately reveal its sex: solid glossy black in males, warm reddish-brown in females and juveniles.
songbird
Elf Owl
The smallest owl in the world, a sparrow-sized desert dweller that nests in old woodpecker holes in saguaro cacti and streamside trees, with finely mottled grey-brown plumage.
owl
Eastern Screech-Owl
A small, common owl of eastern North American woodlands and suburbs, occurring in both a grey and a rufous color morph, both finely patterned to resemble tree bark.
owl
White-bellied Sea Eagle
The White-bellied Sea Eagle is a large raptor with a white head, body, and tail contrasting against grey upperwings, typically seen soaring over coasts and large waterways.
raptor
Ural Owl
A large, pale grey-brown owl of Eurasian forests, known for its notably long tail and streaked (rather than barred) plumage, and for its fierce defense of nests.
owl
Puerto Rican Screech-Owl
The Puerto Rican Screech-Owl, locally known as the mucaro, is a small island-endemic owl with soft reddish-brown or grey-brown plumage and a rounded, nearly tuftless head.
owl
Sarus Crane
The tallest of all flying birds, a pale grey Asian crane with a strikingly red bare head and upper neck, resident year-round across its wetland range.
wading bird
Ruffed Grouse
A woodland grouse of North America recognized by its intricately mottled brown or grey plumage, fan-shaped banded tail, and neck ruffs used in courtship drumming displays.
gamebird
Fieldfare
A boldly patterned, multi-toned thrush combining a grey head and rump with a chestnut back and black tail, often seen in large winter flocks across open farmland.
songbird
Dusky Grouse
A large montane grouse of the interior Rocky Mountains, males dark slate-grey overall with a fanned dark tail and inflatable yellow-orange neck sacs used in display.
gamebird
Ring-necked Duck
A medium diving duck with a peaked head shape and a glossy black back, best distinguished from scaup by a white vertical spur at the base of the wing rather than a grey back.
waterfowl
Blue-winged Teal
A small, long-distance migrant dabbling duck with a pale blue wing patch shared by both sexes, and males showing a bold white facial crescent on a slate-grey head.
waterfowl
Rock Dove
The wild ancestor of the familiar city pigeon, typically blue-grey with bold black wing bars and a white rump, though feral descendants show enormous color variation.
dove pigeon
Indian Scops Owl
The Indian Scops Owl is a small, grey-brown owl of the Indian subcontinent whose finely mottled, bark-like feathers help it disappear against tree trunks by day.
owl
Coal Tit
The smallest common European tit, with a black head, white cheeks, and a distinctive white patch on the nape, paired with buff underparts and two white wingbars on grey-olive wings.
songbird
Chestnut-quilled Rock Pigeon
The Chestnut-quilled Rock Pigeon is an Australian escarpment specialist whose otherwise grey-brown plumage reveals bold chestnut patches on the flight feathers when it takes wing.
dove pigeon
Common Wood Pigeon
Europe's largest common pigeon, easily identified by its soft blue-grey feathers, a bold white wing bar, and white neck patches absent in smaller relatives.
dove pigeon
Australian Hobby
The Australian Hobby is a small, fast, dark-headed falcon resembling a miniature Peregrine, with slate-grey upperparts and rufous-orange underparts, common across open woodland and towns.
raptor
Bonelli's Eagle
An agile, cliff-nesting eagle whose pale, finely streaked underparts and boldly banded grey tail distinguish it from the darker, more uniformly plumaged eagles sharing its range.
raptor