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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.

Martial Eagle

Martial Eagle

The Martial Eagle is Africa's largest eagle, with dark grey-brown upperparts, a white underside heavily spotted with brown-black, and immense broad wings built for powerful soaring over savanna.

raptor
King Bird-of-paradise

King Bird-of-paradise

The King Bird-of-paradise is the smallest member of its family, with a brilliant crimson-and-white plumage and unusual wire-like tail feathers that end in coiled emerald-green discs. It forages and displays in the lower and middle levels of New Guinea lowland forest.

songbird
Pacific Reef Heron

Pacific Reef Heron

A stocky coastal heron of the Indo-Pacific found in two color forms, an all slate-grey dark morph and a pure white light morph, both hunting the wave-washed edges of reefs and rocky shores.

wading bird
Clay-colored Thrush

Clay-colored Thrush

A plain, uniformly brown thrush of Middle America, closely related to the American Robin but lacking its bright orange breast, identified by its overall buffy-brown tone and pale bill.

songbird
Sooty Falcon

Sooty Falcon

The Sooty Falcon is a slim, uniformly dark grey falcon of desert coastlines and offshore islands of the Middle East and northeastern Africa, sharing Eleonora's Falcon's unusual late-breeding strategy tied to songbird migration.

raptor
Forster's Tern

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
Western Marsh Harrier

Western Marsh Harrier

The Western Marsh Harrier is the largest and darkest of the Eurasian harriers, males showing a distinctive tricolor pattern of grey, brown, and black on the wings and tail, while females and juveniles are largely dark chocolate-brown with a pale creamy crown.

raptor
Greater Rhea

Greater Rhea

A large flightless ratite of South American grasslands, with soft, loose grayish-brown plumage and a long neck, related more to ostriches and emus than to typical flying birds.

other
Hepatic Tanager

Hepatic Tanager

A dusky-red tanager of pine-oak mountain forest, the male Hepatic Tanager is brick-red overall with a subtle grayish cheek patch and a dark bill.

songbird
Little Spotted Kiwi

Little Spotted Kiwi

The smallest kiwi species, this flightless bird has pale grayish, finely mottled plumage and now survives only on predator-free islands and fenced sanctuaries in New Zealand. Its long, sensitive bill helps it find invertebrate prey at night.

other
Spotted Eagle-Owl

Spotted Eagle-Owl

A common, adaptable eagle-owl of African savanna and rocky country, mottled grayish-brown with bold dark spotting, often seen roosting near human settlements.

owl
Great Spotted Kiwi

Great Spotted Kiwi

The largest of the kiwi species, this flightless New Zealand bird has grayish, hair-like plumage marked with light mottled banding that gives it a more patterned look than its brown relatives. It inhabits rugged mountain forest and subalpine grassland on the South Island.

other
Chaco Owl

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
White-rumped Falcon

White-rumped Falcon

A tiny Southeast Asian falcon closely related to the African Pygmy Falcon, best recognized by its clean white rump patch flashing against darker grey or chestnut plumage.

raptor
Somali Ostrich

Somali Ostrich

A large flightless bird of the Horn of Africa closely related to the Common Ostrich, distinguished by the male's distinctive blue-grey neck and legs.

other
Common Ostrich

Common Ostrich

The world's largest living bird, flightless with soft, loose plumage, males black-bodied with striking white plumes and females duller greyish-brown.

other
Lawrence's Goldfinch

Lawrence's Goldfinch

A small California and Baja California finch, gray-bodied with a black face on males and bright yellow wing and rump patches.

songbird
Clay-colored Sparrow

Clay-colored Sparrow

A pale, buffy sparrow with a gray nape and crisp brown ear patch outline, common in brushy prairie habitats.

songbird
Weka

Weka

The Weka is a robust, flightless New Zealand rail with streaked brown plumage, known for its bold, inquisitive, and often opportunistic behaviour around people.

wading bird
Swamp Sparrow

Swamp Sparrow

A reddish-winged marsh sparrow with a gray face and breast, closely tied to wetland vegetation year-round.

songbird
Gila Woodpecker

Gila Woodpecker

A common Sonoran Desert woodpecker with a plain gray-tan head and body set off by a boldly barred black-and-white back and wings.

woodpecker
Rufous-crowned Sparrow

Rufous-crowned Sparrow

A plain gray-breasted sparrow of rocky, brushy hillsides, identified by its rufous crown and a bold black malar stripe.

songbird
Sharp-shinned Hawk

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
Northern Mockingbird

Northern Mockingbird

A slim gray songbird famous for its vocal mimicry, identifiable by the bold white patches on its wings and the white outer edges of its long tail.

songbird