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普通燕鷗 Tibetana 亞種 Common Tern Tibetana

BWA

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1^# A A A Post at 31/08/2008 23:11 Show author

普通燕鷗 Tibetana 亞種 Common Tern Tibetana

31/8/08 塔門 Tap Mun

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080831 DSC_0601 Common Tern.jpg (82.34 KB)

31/08/2008 23:11

080831 DSC_0601 Common Tern.jpg

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HFCheung

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2^# A A A Post at 1/09/2008 23:37 Show author

This autumn seems to be pretty good for Common Tern. I am quite sure the group of 9 to 10 that we saw in early-August near Tern Island are Common. Although Common does not breed in HK, it does pass through in good numbers regularly.

HF Cheung

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Sze

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3^# A A A Post at 1/09/2008 23:39 Show author

有什麼好方法去分辨普通燕鷗與粉紅燕鷗呢? 謝!

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lchunfai

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4^# A A A Post at 2/09/2008 12:18 Show author

Quote:

Original posted by Sze at 1/09/2008 23:39
有什麼好方法去分辨普通燕鷗與粉紅燕鷗呢? 謝!

普通燕鷗次級飛羽下有深色橫帶

重有粉紅燕鷗的嘴是否全紅

有錯請見諒

I am just an inexperienced birder/ birdwatcher/ twitcher/ photographer with no long lens.

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HFCheung

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5^# A A A Post at 2/09/2008 20:05 Show author

有好照片，可檢查尾尖與翼尖的相對位置，粉紅尾很長，尾尖在翼尖之後。
飛起時 Chunfai 的方法可以，但最簡單可能是檢查背部，普通燕鷗有明顯的白腰。

張浩輝

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Sze

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6^# A A A Post at 2/09/2008 20:53 Show author

Thank you lchunfai and Dr. Cheung!

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lchunfai

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7^# A A A Post at 2/09/2008 21:33 Show author

Thank you Dr. Cheung

A new method for me

I am just an inexperienced birder/ birdwatcher/ twitcher/ photographer with no long lens.

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BWA

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8^# A A A Post at 4/09/2008 00:21 Show author

飛行中 In flight

31/8/08 塔門 Tap Mun

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080831 DSC_0668 Common Tern T.jpg (69.91 KB)

4/09/2008 00:21

080831 DSC_0668 Common Tern T.jpg

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HKBWS Bonnie

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9^# A A A Post at 4/09/2008 13:02 Show author

多謝BWA! 好明顯既白腰呢!

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