Slaty-backed Gull (schistisagus) / オオセグロカモメ / 큰재갈매기

(last update: December 2015)
Coordinators:
Kim Seog-min (South Korea)
Hideo Shimura (Japan)
Peter Adriaens (Belgium)
Mars Muusse (Netherlands)

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Slaty-backed Gull (schistisagus) 1st cycle (1CY), December 26 2013, Cape Nosappu, Hokkaido, Japan. Picture: Ian Davies.

Please visit Ian's Flickr Photostream for more pictures!

Bird in juvenile plumage with only few scapulars replaced. Note simple pattern on tertials and much dark in tail. Short, stout legs, still overall more ranky bird than average.