Ring-billed Gull

Larus delawarensis Ord, 1815

Ring-billed Gull, Larus delawarensis, is a gull of North America, breeding across inland British Columbia to the north-western Northwest Territories, from southern James Bay to Labrador and Newfoundland, and in the Pacific Northwest states and the Great Lakes region of the northern contiguous United States. Outside the breeding season it moves to coastal and inland parts of the southern United States, southern Mexico, the Bahamas and the Greater Antilles. It is identified by its yellow bill with a black ring. The species was described by Ord in 1815 and belongs to the family Laridae.

Order

Charadriiformes

Family

Laridae — Gulls, Terns, Skimmers

Breeding range

North America: inland e British Columbia to s Northwest Territories, s James Bay to Labrador and Newfoundland (c, s Canada), Pacific Northwest states and Great Lakes (n contiguous USA)

Nonbreeding range

to coastal and inland s US, s Mexico, Bahamas and Greater Antilles