gulls

Herring gulls lined up on a dock railing

Close-up of the head of a herring gull

Greater black-backed gull

Juvenile herring gull (Larus argentatus)

Adult Ring-billed Gull in winter plumage

Juvenile herring gull on a piling

Herring gull on weed-covered rock

Ring-billed gulls on a dock

Adult Ring-billed Gull standing in shallow water

Pair of herring gulls mating

Large gull, probably Herring Gull

A juvenile herring gull takes off from a wave