Slaty-backed Gull (schistisagus) / オオセグロカモメ / 큰재갈매기
(last update: December 2015)
Slaty-backed Gull (schistisagus) 11A-12960 13th cycle (14CY), January 07 2012, Choshi, Chiba Prefecture, Japan. Picture: Seichoudoku.
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Metal ring on left tarsus, from Yamashina Institute for Ornithology in Japan. Code 11A-12.960 for Slaty-backed Gull. Ringed as pullus on July 24 1999 at Hokkaido - Nemuro Habomai Habomaimoshiri Island.
below: aerial view looking west on harbour of Choshi, Chiba Prefecture, Japan.
Location of recovery: 35.44.02 N - 140.50.44 E.