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 (1CY), November 07 2011, Miura Kanagawa, Japan. Picture: Michiaki Ujihara.

Please visit Japanese Gull site for many more pictures!

Juvenile plumage, with upper scaps replaced for 2nd gen feathers.