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) adult, December 25 2013, Shibetsu Harbor, Shibetsu, Hokkaido, Japan. Picture: Ian Davies.

Please visit Ian's Flickr Photostream for more pictures!

Orbital ring red, small gonys spot, pink base on bill and yellow iris with limited speckling. Broad tertial crescents and secondary tips. Pink legs. Note the white in the neck extending far on the mantle. Mirror on P9 and P10, both primaries with full subterminal bands.