11
Chroicocephalus philadelphia
Bonaparte's Gull
4
Hydroprogne caspia
Caspian tern
11
Larus delawarensis
Ring-billed Gull
1
Larus glaucescens
Glaucous-winged Gull
5
Larus glaucoides
Iceland Gull
2
Larus heermanni
Heermann's Gull
7
Larus marinus
Great Black-backed Gull
3
Larus occidentalis
Western Gull
6
Larus smithsonianus
American Herring Gull
1
Leucophaeus atricilla
Laughing Gull