Ring-billed Gull

Larus delawarensis - Goéland à bec cerclé

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

immature

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

adult

Ring-billed Gull

adult non-breeding

Ring-billed Gull

adult non-breeding

Ring-billed Gull

adult

Ring-billed Gull

1st year

Ring-billed Gull

adult non-breeding

Ring-billed Gull

adult non-breeding

Ring-billed Gull

1st year

Ring-billed Gull

3rd year

Ring-billed Gull

3rd year

Ring-billed Gull

Ring-billed Gull

adult

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

adult non-breeding

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

adult non-breeding

Ring-billed Gull

immature

Ring-billed Gull

Ring-billed Gull

subadult

Ring-billed Gull

adult

Ring-billed Gull

adult

Ring-billed Gull

adult

Ring-billed Gull

Ring-billed Gull

adult

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

Ring-billed Gull

adult non-breeding

Ring-billed Gull

3