Black-tailed Gull (crassirostris) / ウミネコ / 괭이갈매기(last update: December 2015) |
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Black-tailed Gull (crassirostris) adult, March 28 2014, Japan. Picture: Eriko Japan.Please visit Eriko's photostream on Flickr. Left bird has a brown wash over coverts and tertials, and lacks primary tips; maybe it is not a full adult? |