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.

Ortolan Bunting
The Ortolan Bunting is a migratory Eurasian farmland bird notable for its gray-green head, yellow throat, and pinkish underparts, breeding across open, warm agricultural landscapes.
songbird
Nashville Warbler
A small warbler with a gray head, bold white eye-ring, and bright yellow underparts, plus a hidden chestnut crown patch usually visible only at close range.
songbird
Colima Warbler
A plain gray-brown warbler with a bright rufous-orange undertail patch, found in the United States only in high-elevation oak-pine canyons of a single mountain range.
songbird
Field Sparrow
A small, subtly marked sparrow of old fields whose soft rufous-brown and gray feathers lack bold streaking, standing out mainly for their clean, quiet coloring.
songbird
American Kestrel
The smallest and most colorful falcon in North America, a common sight perched on roadside wires, told by its rufous back and tail and, in males, contrasting blue-gray wings.
raptor
Striated Heron
The Old World counterpart to the Green Heron, a small, stocky heron with grayer tones and finely streaked underparts, common along mangroves and tropical waterways.
wading bird
Yellow-throated Warbler
A gray-backed wood-warbler with a bright yellow throat and bold black-and-white facial pattern, often seen creeping along branches in pine and cypress woodland.
songbird
White-tailed Hawk
A handsome open-country hawk with a gray back, white underparts, rufous shoulders, and a crisp white tail marked by a single bold black band near the tip.
raptor
Rufous-tailed Hummingbird
One of the most widespread and familiar hummingbirds in its range, easily recognized by its green throat and breast set against a gray belly and a bright rufous tail.
hummingbird
Virginia's Warbler
A gray-bodied warbler of dry interior western scrublands, marked by a bright yellow rump and breast patch, a white eye-ring, and a concealed chestnut crown patch.
songbird
Townsend's Solitaire
A slender, uniformly gray thrush relative of western mountains, identified by its bold white eye-ring, long tail, and buffy wing patch visible in flight.
songbird
Tennessee Warbler
A plainly patterned warbler with a gray head, white eyebrow stripe, and whitish underparts, notable for its unmarked, wing-bar-free appearance and boreal breeding range.
songbird
Lucy's Warbler
One of the smallest and palest North American warblers, essentially plain gray and white apart from a bright rufous rump patch and a concealed rufous crown spot.
songbird
Dark-eyed Junco
A familiar winter feeder bird, the Dark-eyed Junco flashes bright white outer tail feathers against a slate-gray or brown body when it flies.
songbird
Barking Owl
An Australian hawk-owl named for its dog-like barking call, gray-brown above and heavily streaked below, favoring open woodland and riverine forest.
owl
Bar-headed Goose
A pale gray goose renowned for migrating over the Himalayas at extreme altitude, identified by a white head marked with two bold black bars across the crown and nape.
waterfowl
Verdin
The Verdin is a tiny desert songbird with a bright yellow head and throat set against gray body plumage, known for building large, conspicuous domed nests in thorny desert shrubs.
songbird
Snail Kite
A marsh-dwelling raptor with a thin, deeply curved bill for extracting apple snails, and feathers ranging from slaty gray in males to warm streaked brown in females and young birds.
raptor
Roadside Hawk
A small, common, and conspicuous hawk of the Neotropics, often seen perched along roadsides, identified by its gray-brown chest contrasting with a rufous-barred belly and narrowly banded tail.
raptor
Red Knot
A stocky, medium-sized sandpiper famous for spectacular long-distance migrations, showing warm salmon-red underparts in breeding plumage that fade to plain, softly scaled gray for winter.
shorebird
Greater Scaup
A robust diving duck of open water, the Greater Scaup shows a glossy green-black head and finely vermiculated gray back that give it a clean, pale appearance from a distance.
waterfowl
Brown Noddy
A dark, tropical seabird related to terns, easily told by its uniform chocolate-brown plumage set off by a pale gray-white cap and a long, wedge-shaped tail.
seabird
Black-capped Chickadee
The Black-capped Chickadee is a tiny, non-migratory songbird whose soft black-and-white head feathers and plain gray back make it a familiar year-round feeder visitor.
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