ORDER: CHARADRIIFORMES
FAMILY: LARIDAE - Gulls

Pacific Gull (Larus pacificus)
________(L.p.pacificus)
Black-tailed Gull (Larus crassirostris)
Heermann's Gull (Larus heermanni)
White-eyed Gull (Larus leucophthalmus)
Sooty Gull (Larus hemprichii)
Mew Gull (Larus canus)
________(L.c.canus)
________(L.c.kamtschatschensis)
Audouin's Gull (Larus audouinii)
Ring-billed Gull (Larus delawarensis)
Kelp Gull (Larus dominicanus)
________(L.d.dominicanus)
________(L.d.vetula)
California Gull (Larus californicus)
________(L.c.californicus)
Western Gull (Larus occidentalis)
________(L.o.occidentalis)
________(L.o.wymani)
Great Black-backed Gull (Larus marinus)
Glaucous-winged Gull (Larus glaucescens)
Glaucous Gull (Larus hyperboreus)
________(L.h.leuceretes)
Iceland Gull (Larus glaucoides)
________(L.g.glaucoides)
________(L.g.kumlieni)
Thayer's Gull (Larus thayeri)
European Herring Gull (Larus argentatus)
________(L.g.argentatus)
American Herring Gull (Larus smithsonianus)
Heuglin's Gull (Larus heuglini)
East Siberian Gull (Larus vegae)
________(L.v.mongolicus)
Caspian Gull (Larus cachinnans)
Steppe Gull (Larus barabensis)
Yellow-legged Gull (Larus michahellis)
________(L.m.michahellis)
Lesser Black-backed Gull (Larus fuscus)
________(L.f.graellsii)
________(L.f.fuscus)
________(L.f.intermedius)
Great Black-headed Gull (Larus ichthyaetus)
Slaty-backed Gull (Larus schistisagus)
Hartlaub's Gull (Larus hartlaubii)
Red-billed Gull (Larus scopulinus)
Black-billed Gull (Larus bulleri)
Black-headed Gull (Larus ridibundus)
Bonaparte's Gull (Larus philadelphia)
Saunders' Gull (Larus saundersi)
Mediterranean Gull (Larus melanocephalus)
Laughing Gull (Larus atricilla)
________(L.a.megalopterus)
Franklin's Gull (Larus pipixcan)
Little Gull (Larus minutus)
Ivory Gull (Pagophila eburnea)
Ross' Gull (Rhodostethia rosea)
Sabine's Gull (Xema sabini)
________(X.s.sabini)
________(X.s.palaearctica)
Black-legged Kittiwake (Rissa tridactyla)
________(R.t.tridactyla)