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.
Glaucous-winged Gull
A common gull of the North Pacific coast, the Glaucous-winged Gull shows pale gray wingtip feathers with little or no black, differing subtly from most other large gulls, and frequently hybridizes with related species.
seabird
Glaucous Gull
A massive, pale Arctic gull, the Glaucous Gull is unusual among large gulls for lacking black wingtips entirely, showing instead uniformly pale gray and white feathers well suited to its icy northern range.
seabird
Western Gull
A heavily built, dark-backed gull of the Pacific coast, the Western Gull shows dark slate-gray mantle feathers and a notably powerful, thick bill, rarely wandering far from saltwater.
seabird
Iceland Gull
A pale, gentle-faced gull of the North Atlantic Arctic, the Iceland Gull shows pale gray back feathers and white to very pale wingtips, smaller and more delicately built than the similar Glaucous Gull.
seabird
Yellow-legged Gull
A large, robust gull of Mediterranean and western European coasts, closely resembling other large white-headed gulls but distinguished by bright yellow legs and a somewhat darker mantle.
seabird
Sabine's Gull
A strikingly patterned Arctic-breeding gull whose bold black, white, and gray tricolored wing pattern and forked tail make it one of the most distinctive gulls in flight.
seabird
Bonaparte's Gull
A dainty, tern-like gull of the North American boreal forest, notable as one of the few gulls that nests in trees, and identifiable by its crisp black hood and bright white wing wedge.
seabird
Black-headed Gull
A small, gregarious Old World gull whose chocolate-brown (not black) hood and white leading-edge wing wedge make it easy to pick out from mixed flocks.
seabird
Blue-winged Warbler
A bright yellow-headed warbler with blue-gray wings marked by two white wing bars and a thin black line through the eye, closely related to and often hybridizing with the Golden-winged Warbler.
songbird
Royal Tern
One of the largest terns, approaching gull-like proportions, with a heavy orange bill and a shaggy black crest that is often reduced to a ragged crown patch outside the breeding season.
seabird
Great Skua
A powerfully built, gull-sized seabird cloaked in dark brown plumage flecked with rufous and buff, best known for its bold white wing-flash and aggressive, piratical habits.
seabird
Silver Gull
A common and adaptable Australian gull with white plumage, pale grey wings, and black wingtips marked with white spots.
seabird
Little Gull
The smallest gull in the world, a delicate Eurasian species with rounded wings, a buoyant tern-like flight, and strikingly dark underwings that flash as it wheels over the water.
seabird