Black-tailed Gull (crassirostris) / ウミネコ / 괭이갈매기

(last update: December 2015)

Kim Seog-min (South Korea)
Hideo Shimura (Japan)
Peter Adriaens (Belgium)
Mars Muusse (Netherlands)

Black-tailed Gull (crassirostris) 2nd cycle (3CY), May 30 2010, Tobishima Island, Sea of Japan. Picture: Graham Ekins.

Please visit Graham's photostream on Flickr.

Most wing-coverts and tertials are old 2nd generation; a few coverts replaced in the last partial autumn moult. 2nd generation flight feathers are bleached brown. Note adult-like bill and pale honey iris.