American Herring Gull 
Armenian gull 
Belchers gull 
Black-tailed gull 
California gull 
Caspian gull 
European herring gull 
glaucous gull 
Glaucous-winged gull 
Great black-backed gull 
Heermanns gull 
Iceland gull 
Kelp Gull 
Lesser Black-backed Gull 
Mew Gull 
Pacific Gull 
Ring-billed gull 
Short-billed gull 
Vega Gull 
Western gull 
Yellow-legged gull