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.

American Three-toed Woodpecker
The North American counterpart of the Eurasian Three-toed Woodpecker, a boreal conifer specialist with a yellow-capped male and barred black-and-white flanks.
woodpecker
Azure-winged Magpie
A slender, pastel-toned corvid with a black cap and soft blue wings and tail, common in flocks across East Asian woodland and parkland.
corvid
Cocoi Heron
The South American counterpart to the Great Blue Heron, with a bold black cap and crisp white neck.
wading bird
American Goldfinch
The American Goldfinch is famous for males turning vivid lemon-yellow with black wings and cap in breeding season, then molting to a dull olive plumage the rest of the year.
songbird
Eurasian Siskin
A small, active finch of conifer and alder woodland, with males showing a black cap on a yellow-green head and both sexes displaying bold black-and-yellow wing bars and a forked tail with yellow at the base.
songbird
Whiskered Tern
A compact marsh tern that turns a striking dark slate-gray across the body in breeding plumage, with a crisp white stripe dividing the black cap from the gray cheek.
seabird
Common Redpoll
A small, hardy northern finch with a red cap and black chin, known for irruptive winter movements into temperate regions at feeders.
songbird
Gray Catbird
A slim, uniformly slate-gray songbird named for its cat-like mewing call, with a black cap and a hidden rufous patch beneath the tail.
songbird
House Crow
A slender crow native to South Asia, easily recognized by its glossy black cap paired with a pale grey collar and underparts.
corvid
Willow Tit
A plain woodland tit closely resembling the Marsh Tit, distinguished by a duller matte-black cap, a larger bib, and a pale panel across the folded wing formed by pale-edged secondary feathers.
songbird
Little Bittern
The Old World counterpart to the Least Bittern, a tiny, secretive marsh heron with a black cap and back in males and warmer brown tones in females.
wading bird
Mountain Chickadee
The Mountain Chickadee is a western conifer-forest specialist whose black cap is broken by a bold white eyebrow stripe not seen in other common chickadees.
songbird
Ruddy Duck
The Ruddy Duck is a small, compact stiff-tailed duck best known for its stiff, often upright tail feathers and, in breeding males, a vivid rufous body set off by a black cap and white cheek.
waterfowl
Noisy Miner
A vocal, highly social Australian honeyeater, the Noisy Miner has gray body plumage, a black cap, and a bright yellow bill and bare eye-patch, and is well known for its bold group defense of territory.
songbird
Common Tern
A widespread and familiar tern of coasts and inland waters, identified by its black cap, forked tail, red-orange bill with a black tip, and a dark wedge along the leading edge of the outer wing.
seabird
Northern Crested Caracara
A bold, ground-foraging raptor found from the southern United States through Central America, showing a black cap, cream barred neck, and dark body much like its southern relative the Crested Caracara.
raptor
Wattled Crane
The largest crane in Africa, a grey wading bird with a black cap, striking white feathers hanging from the throat, and long fleshy wattles dangling below the face.
wading bird
Eurasian Bullfinch
A stocky, short-billed finch with a black cap, grey back, and a rosy-pink breast in males, easily told by its bright white rump patch in flight.
songbird
Blackpoll Warbler
A small wood-warbler famous for its extremely long migratory flights, showing a black cap and white cheeks in breeding males and a plainer streaked plumage in fall.
songbird
Brown-headed Nuthatch
The Brown-headed Nuthatch is a tiny southeastern pine specialist whose warm brown cap feathers, rather than black, set it apart from other nuthatches.
songbird
Marsh Tit
A plain-plumaged woodland tit with a small, neat glossy black cap and bib set against pale buff-brown body feathers, with plain wings lacking any wingbar.
songbird
Forster's Tern
A North American marsh tern with notably pale, frosty primaries and a distinctive nonbreeding head pattern featuring a dark patch through the eye rather than a full black cap.
seabird
Crested Caracara
A bold, long-legged raptor of southern South America's open grasslands, with a black cap, cream neck, and barred breast that make its feathers unmistakable among ground-foraging birds of prey.
raptor
Thick-billed Longspur
The Thick-billed Longspur is a shortgrass prairie songbird whose breeding males show a black cap and breast crescent set against gray-brown plumage, identified partly by its notably stout bill.
songbird