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)

Slaty-backed Gull (schistisagus) 1st cycle (2CY), March 04 2010, Nemuro, Hokkaido, Japan. Picture: Shiroto.

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

By March, still only few upper scaps replaced, otherwise juvenile plumage. Barred wing-coverts in this bird. Black bill, dark iris.