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請問臉上多兩條黃線有物分別

dvmrp

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1# A A A Post at 21/11/2011 22:26  Show author

請問臉上多兩條黃線有物分別

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HFCheung

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2# A A A Post at 22/11/2011 15:04  Show author
成鳥發情時期的裝飾，主要在夏天出現。

張浩輝

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dvmrp

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3# A A A Post at 22/11/2011 16:24  Show author
多謝回復，問多樣，雌雄都一樣？

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HFCheung

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4# A A A Post at 28/11/2011 13:47  Show author
Yes.  Same for male and female.

The length of the bill can be used to distinguish male to female.  However, this is not easy at all.  There may be other methods as well.  We need careful birdwatchers or photographers to work on problems like this.

HF Cheung

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dvmrp

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5# A A A Post at 29/11/2011 01:13  Show author
I see. Thanks.

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evcom2012

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6# A A A Post at 18/01/2012 17:17  Show author
哦~原來是這樣
感謝大大分享~~







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婚紗攝影

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