-
-
Bonaparte's gull
Larus philadelphia
-
-
Bonaparte's gull
Larus philadelphia
-
-
Franklin's gull
Larus pipixcan
-
-
Franklin's gull
Larus pipixcan
-
-
Franklin's gull
Larus pipixcan
-
-
black-headed gull
Larus ridibundus
-
-
black-headed gull
Larus ridibundus
-
-
Saunders's gull
Larus saundersi
-
-
slaty-backed gull
Larus schistisagus
-
-
glaucous gull
Larus hyperboreus
-
slaty-backed gull
Larus schistisagus
-
-
slaty-backed gull
Larus schistisagus
-
-
Thayer's gull
Larus thayeri
-
-
Thayer's gull
Larus thayeri
-
-
Thayer's gull
Larus thayeri
-
-
Thayer's gull
Larus thayeri