Great Black-backed Gull  (Larus marinus)
  Immature
Coney island
New York
United States
29/06/2011
Gerardo Alberto García

Ring-billed Gull  (Larus delawarensis)
  Adult
Coney island
New York
United States
07/10/2015
Gerardo Alberto García

Great Black-backed Gull  (Larus marinus)
  Immature
Coney island
New York
United States
19/06/2011
Gerardo Alberto García