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)

Olrog's Gull (atlanticus) adult, July 07 2013, Punta Piedras, Buenos Aires, Argentina. Picture: Alec Earnshaw.

Please visit Aves Argentina.