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bird identification

HKBWS Vicky

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1^# A A A Post at 2/06/2011 14:11 Show all

這是因為牠正由非繁殖羽轉為繁殖羽, 因為不是一下子所有羽毛轉換, 所以你會見到牠的面至腹部會慢慢出些黑色羽毛, 一撻撻再變成黑色

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