Swallow-tailed Gull, Galapagos Islands

Black-legged Kittiwake, Svalbard, Norway

Red-legged Kittiwake, St Paul AK, USA

Ivory Gull, Svalbard, Norway

Sabine's Gull, Svalbard, Norway

Bonaparte's Gull, Vancouver, Canada

Brown-hooded Gull, Saunders Island, Falklands

Gray-hooded Gull, Kenya

Black-headed Gull, Kuusamo, Finland

Brown-headed Gull, Saunders Island, Falkland Islands

Dolphin Gull, Ushuaia, Argentina

Laughing Gull, Jamaica

Franklin's Gull, Malheur National Wildlife Refuge, USA

Belcher's Gull, Pucusana Lima, Peru

Heermann's Gull, Morro Bay CA, USA

Lieksa Finland, Common Gull

Mew Gull, Potter Marsh, AK

Ring-billed Gull, Moss Landing CA, USA

Western Gull, Morro Bay CA, USA

California Gull, Moss Landing CA, USA

Herring Gull, Batsfjord, Norway

Lesser Black-backed Gull, Lieksa, Finland

Glaucous-winged Gull, Homer AK, USA

Glaucous Gull, Homer AK, USA