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)

Belcher's Gull (belcheri) adult, July 18 2013, Pucusana, Peru. Picture: Jr Trimble.

Please visit Trimble's photostream on Flickr.

July on the southern hemisphere has the gulls showing winter head streaking.