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)

Heermann's Gull (heermanni) 1st cycle (2CY), January 20 2014, San Francisco, CA. Picture: Amar Ayyash.

Please visit Amar's website: Anything Larus.