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.

Long-tailed Jaeger
The smallest, slimmest, and most elegant jaeger, breeding adults trailing exceptionally long, thin central tail streamers behind a slender, buoyant body.
seabird
Little Auk
The smallest auk of the North Atlantic, a dumpy, tightly packed little bird with a black-and-white pattern and a stubby bill, breeding in immense colonies in the high Arctic.
seabird
Calliope Hummingbird
The smallest breeding bird in North America, notable for the male's streaked, wine-red gorget that splays outward like tiny rays rather than forming a solid patch.
hummingbird
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
Sand Martin
The Sand Martin is the smallest European swallow-relative, with plain sandy-brown upperpart feathers, white underparts, and a distinctive brown breast band.
songbird
Red-footed Booby
The smallest and most variably plumaged booby, occurring in white, brown, and intermediate color morphs, all sharing distinctive red feet.
seabird
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
Little Penguin
The world's smallest penguin, with slate-blue upperparts and white underparts, nesting in burrows along southern Australian and New Zealand coasts.
seabird
Little Eagle
Australia's smallest booted eagle, occurring in pale and dark color morphs, identified by a pale patch at the base of the outer primaries and a short, square tail.
raptor
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
Cerulean Warbler
One of the smallest wood-warblers, with sky-blue upperparts in the male, breeding high in mature deciduous forest canopy of eastern North America.
songbird
Downy Woodpecker
The smallest North American woodpecker, its black-and-white checkered feathers and short bill make it a common and easily identified backyard bird.
woodpecker
Green-winged Teal
The North American form of the common teal, and the smallest dabbling duck on the continent, with males showing a chestnut head, a green eye patch, and a bold vertical white stripe on the side.
waterfowl
Steller's Eider
Steller's Eider is the smallest of the eiders, a compact sea duck whose male shows a white head with a bold black eye patch, warm cinnamon underparts, and a glossy blue wing patch.
waterfowl
Northern Saw-whet Owl
One of the smallest owls in North America, with soft reddish-brown, white-streaked plumage, no ear tufts, and a distinctive whitish facial disc bordered by a dark rim.
owl
Cardinal Woodpecker
One of the smallest and most widespread African woodpeckers, common across savanna and woodland, with the male's red-tipped crown giving rise to its 'cardinal' name.
woodpecker
Redwing
The smallest widespread European thrush, easily told from its relatives by streaked (rather than spotted) underparts and bright reddish-orange flank and underwing feathers.
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
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
Orchard Oriole
The smallest North American oriole, with adult males showing a rich chestnut body against a black hood and back, while females and young males wear a more subdued olive-yellow plumage.
songbird
Goldcrest
Europe's smallest bird, identifiable even from a single tiny feather by its vivid black-bordered crown stripe — orange in males, yellow in females — set against olive-green plumage.
songbird
African Pygmy Falcon
One of the smallest raptors in the world, this tiny falcon of African thornveld shows crisp white underparts against a grey or chestnut back, often nesting alongside colonial weaverbirds.
raptor
Sharp-shinned Hawk
The Sharp-shinned Hawk is North America's smallest accipiter, with short rounded wings, a long square-tipped banded tail, and adult plumage of slate-grey upperparts with fine rufous barring below, built for darting through dense cover.
raptor
Ruby-crowned Kinglet
One of the smallest songbirds in North America, this active, constantly flicking bird carries a hidden ruby-red crown patch in males that is usually concealed and only flashed briefly during excitement or display.
songbird