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

(last update: December 2015)

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

Black-tailed Gull (crassirostris) moulting into 2nd cycle (2CY), July 22 2016, Chidiwa Unzen city, Nagasaki, Japan. Picture: Nobuo Fukushima.

Please visit Nobuo's website.

Bird in complete moult, moulting into 2nd basic plumage.