Genus

Larus 

large white-headed gulls

Larus delawarensis
Ring-billed gull
in flight

Species of the Larus genus in the Wild Florida Photo database:

  Larus argentatus
Herring Gull

  Larus atricilla
Laughing Gull

  Larus delawarensis
Ring-billed Gull

  Larus hyperboreus
Glaucous Gull

  Larus marinus
Great Black-backed Gull

The genus Larus is a member of the Laridae - Gulls, Terns & Skimmers family.