Hydrocoloeus
Little Gull
Chroicocephalus
Masked Gulls
* Bonaparte's Gull * Brown-hooded Gull * Black-headed Gull * Red-billed Gull * Silver Gull * Slender-billed Gull *
* Bonaparte's Gull * Brown-hooded Gull * Black-headed Gull * Red-billed Gull * Silver Gull * Slender-billed Gull *
Leucophaeus
Hooded Gulls
* Franklin's Gull * Laughing Gull *
* Franklin's Gull * Laughing Gull *
Ichthyaetus
Large Black-headed Gulls
* Audouin's Gull * Mediterranean Gull *
* Audouin's Gull * Mediterranean Gull *
Larus
Large White-headed Gulls * Great Black-backed Gull * Heermann's Gull * Herring Gull * Southern Black-backed Gull * Pacific Gull * Ring-billed Gull * Western…