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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.

Herring Gull

Herring Gull

A familiar large gull of the Old World, the Herring Gull shows pale gray mantle feathers, black-and-white patterned wingtips, and pink legs, taking several years to reach its fully patterned adult plumage.

seabird
American Herring Gull

American Herring Gull

The North American counterpart to the Eurasian Herring Gull, the American Herring Gull shows very similar pale gray-and-white plumage with black wingtip spots, but with subtly darker gray tones and pinkish legs.

seabird
Silver Gull

Silver Gull

A common and adaptable Australian gull with white plumage, pale grey wings, and black wingtips marked with white spots.

seabird
California Gull

California Gull

A medium-large gull of the American West, the California Gull shows medium gray back feathers and dark eyes, and is notable historically for its role in protecting early Utah crops from insect swarms.

seabird
Common Gull

Common Gull

A neat, medium-sized gull of Europe and Asia known as Mew Gull in North American populations, the Common Gull shows pale gray back feathers, black wingtips with white spots, and a gentle, rounded head shape.

seabird
Bonaparte's Gull

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
Franklin's Gull

Franklin's Gull

A small, elegant gull of interior prairie wetlands, known for its bold white eye crescents, black hood, and one of the longest migrations of any gull, wintering as far south as the coasts of South America.

seabird
Yellow-legged Gull

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
Gull-billed Tern

Gull-billed Tern

A stocky, pale tern known for its short, thick, gull-like black bill rather than the slender dagger bill typical of most terns.

seabird
Lesser Black-backed Gull

Lesser Black-backed Gull

A medium-large gull of European waters with dark slate-gray to blackish mantle feathers and yellow legs, the Lesser Black-backed Gull has expanded its range widely and increasingly turns up well inland.

seabird
Ring-billed Gull

Ring-billed Gull

A common, adaptable medium-sized gull of North America named for the black band around its bill, the Ring-billed Gull shows pale gray back feathers and yellow legs, thriving in habitats from lakeshores to parking lots.

seabird
Glaucous-winged Gull

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
Great Skua

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
Royal Tern

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