Lesser Black Backed Gull

Maximum longevity: 34.9 years (wild) Observations: Maximum longevity from banding studies is 34.9 years (http://www.euring.org/data_and_codes/longevity.htm).

Length: 51-61 cm. Plumage: wings and back black; rest of plumage white; trailing edge of wing and tips of primaries white. Immature brown replaces black of adult; white parts mottled brown with less mottling on foreneck, breast and belly, wide dark band on tail. Bare parts: iris cream to white; eyering red to orange; bill yellow with red spot near tip of lower mandible, blackish to pale greyish with black tip in immature; feet and legs yellow, pinkish in immature. Habitat: coast and inland waters. Palearctic migrant. <389><391><393>

Caribbean; North America; regular at sites from Eastern Canada, from the Bay of Fundy south