Black-tailed Gull (crassirostris) / ウミネコ / 괭이갈매기(last update: December 2015) |
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Black-tailed Gull (crassirostris) 1st cycle (2CY), February 24 2015, Chidiwa Unzen city, Nagasaki, Japan. Picture: Nobuo Fukushima.Please visit Nobuo's website. 1st gen flight feathers. All scaps replaced, but coverts and tertials still juvenile. |