Larinae

Masked Gulls

* Bonaparte's Gull * Brown-hooded Gull * Black-headed Gull * Red-billed Gull * Silver Gull * Slender-billed Gull *

Little Gull

Hooded Gulls

* Franklin's Gull * Laughing Gull *

Large Black-headed Gulls

* Audouin's Gull * Mediterranean Gull *

Large White-headed Gulls * Great Black-backed Gull * Heermann's Gull * Herring Gull * Southern Black-backed Gull * Pacific Gull * Ring-billed Gull * Western…