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, February 21 2014, Choshi, Chiba, Japan. Picture: Shiroto.

Visit Shiroto's website for many more gull pictures from Japan!

Small gonys spot on yellow bill and iris with limited speckling. Broad tertial crescents and secondary tips. Upperparts grey tone about equal to graellsii Lesser Black-backed Gull. Pink, short-looking legs.