common gull (Larus canus), gull (Laridae spp.), seagull

chignon resembling a seagull's spread tail feathers (Edo-period women's hairstyle)

glaucous gull (Larus hyperboreus), burgomaster

northern fulmar (Fulmarus glacialis)

laughing gull (Leucophaeus atricilla)

herring gull (Larus argentatus)

skua (any bird of family Stercorariidae, incl. the jaegers), pomarine jaeger (Stercorarius pomarinus)...

old sword fighting, sword drawing style or school from Shizuoka prefecture

giant petrel (esp. the southern giant petrel, Macronectes giganteus)

Cape pigeon, Cape petrel, pintado petrel (Daption capense)

parasitic jaeger, Arctic skua (Stercorarius parasiticus)

long-tailed jaeger, long-tailed skua (Stercorarius longicaudus)

Caspian gull (Larus cachinnans)

Hakuoh University

black-legged kittiwake (Rissa tridactyla)

black-legged kittiwake (Rissa tridactyla)

black-headed gull (Chroicocephalus ridibundus), hooded gull