Ring-Billed Gull
The Ring-Billed Gull (Larus delawarensis) is a monotypic species (no subspecies) classified in the order Charadriiformes and the family Laridae. This species gets its name from the black ring around its bill. The Ring-Billed Gull can live for up to 27.5 years.
Physical Characteristics
Adult Ring-Billed Gulls have gray backs, while their chests and bellies are white. They have yellow legs and bills. There is a black ring that encircles the bill. Juvenile Ring-Billed Gulls take a few years before they fledge into their adult plumage. Adult specimens have tan streaks across their heads in the nonbreeding season.
| Length | 43-54 |