Larus

trivial name latin name
European Herring Gull Larus argentatus
Audouin's Gull Larus audouinii
Caspian Gull Larus cachinnans
California Gull Larus californicus
Mew Gull Larus canus
Black-tailed Gull Larus crassirostris
Ring-billed gull Larus delawarensis
Kelp Gull Larus dominicanus
Lesser black-backed gull Larus fuscus
Sooty Gull Larus hemprichii
Glaucous Gull Larus hyperboreus
Great Black-headed Gull Larus ichthyaetus
Great Black-backed Gull Larus marinus
Mediterranean gull Larus melanocephalus
Yellow-legged Gull Larus michahellis
Western Gull Larus occidentalis
Slaty-backed Gull Larus schistisagus

Silbermöwe Mittelmeermöwe Mantelmöwe Heringsmöwe Sturmmöwe
1. Winter
2. Winter
3. Winter
Adult

comparison of wing and tail configuration