Black-tailed Gull (crassirostris) / ウミネコ / 괭이갈매기

(last update: December 2015)

Coordinators:
Kim Seog-min (South Korea)
Hideo Shimura (Japan)
Peter Adriaens (Belgium)
Mars Muusse (Netherlands)

Black-tailed Gull (crassirostris) juvenile, August 08 2013, Hachinohe-shi, Aomori Prefecture, Japan. Picture: Shigeo T.

Please visit Shigeo's photostream on Flickr.

Juveniles leave the colony and disperse. Adults look shaggy as they are in complete moult this time of the year.