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 rings
slaty PDFs

slaty 1cy August
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Slaty-backed Gull (schistisagus) 1st cycle (2CY), March 12 2012, Choshi, Japan. Picture: Michiaki Ujihara.

Please visit Japanese Gull site for many more pictures!

Slender bird, not the classic compact look found in many Slaty-backeds. P5 exceeds tertial tips (although tips not really worn away) and head shape much like in Herring / Vega Gulls.