Post : 2017 , April
2017/04/26 00:01 | comment(0)
2017/04/25 19:01 | comment(0)
2017/04/25 00:01 | comment(0)
2017/04/24 19:01 | comment(0)
2017/04/24 00:01 | comment(0)
この個体は片親がアカハジロの交雑個体だと思われます。
胸から腹にかけて白いことから成鳥であると思われ、しかし、それにしては既に1月中旬になっているにもかかわらず、頭には緑色味が全く見られません。頭部は濃い褐色のようです。嘴先端の黒い部分も広がっているようであり、どうも両親がアカハジロではないようです。片親はホシハジロでしょうか。
2017/04/22 23:55 | comment(0)
2017/04/22 23:53 | comment(0)
2017/04/22 23:51 | comment(0)
A flock of young gulls that most of them are Slaty-backed Gull
A Glaucous Gull, probable a few Vega Gulls, and probable a American Herring Gull were in a flock of young gulls that most of them are Slaty-backed Gull
2017/04/21 00:01 | comment(0)
2017/04/20 16:01 | comment(0)
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