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) 2nd cycle (3CY), February 14 2012, Hwajinpo, South Korea. Picture: Tom Lindroos.

Please visit Tom's website for more pictures!

Upperparts grey tone about equal to graellsii Lesser Black-backed Gull. 2nd gene flight feathers with much black in tail. Note overall simple pattern on coverts, lacking obvious notching in fringes. Pale iris.