Gulls, informally called seagulls, are seabirds of the subfamily Larinae. They are most closely related to terns and skimmers, and are placed with them in the family Laridae. They are also related, mo
Immature (probably 2nd year) Armenian gull in flight, flying over Lake Sevan
The Pacific gull is a large white-headed gull with a distinctively heavy bill.
Swallow-tailed gulls are endemic to the Galapagos Islands.
Bonaparte's gull is a gull found mainly in northern North America. At 28 to 38 cm in length, it is one of the smallest species of gull. Its plumage is mainly white with grey upperparts. During breedin
Bonaparte's Gull in breeding plumage 52016973462
Chroicocephalus philadelphia
Bonaparte's gull in immature (first-winter) plumage, showing the tail band and brown wing pattern cited in Ord's description of the species
Bonaparte's gull in fresh juvenile plumage; Whitehorse, Yukon