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) 3rd cycle (3CY), October 24 2010, Bangpu Samutprakan, Thailand. Picture: Somchai Kanchanasut.

Please visit Somchai's photostream on Flickr.

No white-tipped outer primaries (P6-P8) and obvious dark greater primary coverts and broad black centres on the secondaries. Many brown coverts. Note the saturated yellow bill and the white tips on the tail-feathers.