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粉紅、普通及黑枕燕鷗羽色 Roseate, Common and Black-naped Terns

wkcheng

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1# A A A Post at 2/09/2013 21:20  Show all
還以為有些是普通燕鷗呢！
請問怎樣分辨呢？

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wkcheng

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2# A A A Post at 5/09/2013 21:38  Show all
如果可以有講座教燕鷗辨識就好了！

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wkcheng

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3# A A A Post at 11/09/2013 21:57  Show all
Quote:
Original posted by BWA at 8/09/2013 23:20


1 號和 3 號腳都比較鮮紅，
和粉紅燕鷗差不多，尾羽也不短，
而粉紅燕鷗非繁殖期嘴會變黑，
因此有點懷疑牠們會不會是粉紅燕鷗。 ...
那三隻幼鳥全是粉紅燕鷗嗎？

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wkcheng

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4# A A A Post at 14/09/2013 20:58  Show all
Quote:
Original posted by BWA at 14/09/2013 20:24
相信是。
沒有聽過本港有普通燕鷗幼鳥的紀錄。
謝謝！

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