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        Discussion Area 討論區 >> Bird Identification 鳥類辨識 >>  Please help for Tern ID
        
(Message started by: isaac_chan on Jul 3rd, 2006, 1:31pm)
Title: Please help for Tern ID
Post by isaac_chan on Jul 3rd, 2006, 1:31pm
Sea near Tap Mun 塔門附近海域
1/7/2006
D2x + Sigma 120-300mm + 1.4x (Handheld on boat)

#1: Common Tern 普通燕鷗 ???
http://nature.hc.edu.tw/vbb/attachment.php?attachmentid=29878&stc=1
http://nature.hc.edu.tw/vbb/attachment.php?attachmentid=29878&stc=1
http://nature.hc.edu.tw/vbb/attachment.php?attachmentid=29879&stc=1
http://nature.hc.edu.tw/vbb/attachment.php?attachmentid=29879&stc=1

#2:
http://nature.hc.edu.tw/vbb/attachment.php?attachmentid=29880&stc=1
http://nature.hc.edu.tw/vbb/attachment.php?attachmentid=29880&stc=1

#3:
http://nature.hc.edu.tw/vbb/attachment.php?attachmentid=29881&stc=1
http://nature.hc.edu.tw/vbb/attachment.php?attachmentid=29881&stc=1

#4:
http://nature.hc.edu.tw/vbb/attachment.php?attachmentid=29882&stc=1
http://nature.hc.edu.tw/vbb/attachment.php?attachmentid=29882&stc=1
Title: Re: Please help for Tern ID
Post by pippenho on Jul 3rd, 2006, 2:02pm
#1我覺得個咀似Gull-billed Tern多d ???
Title: Re: Please help for Tern ID
Post by 鳥友Ａ(BWA) on Jul 3rd, 2006, 11:12pm
以#4的尾和頭來看，應是普通燕鷗。
＃3 的尾似普通燕鷗。

以此推斷，＃1 的嘴較短可能是因為角度問題。
Title: Re: Please help for Tern ID
Post by isaac_chan on Jul 5th, 2006, 3:39am
Thanks BWA.
Title: Re: Please help for Tern ID
Post by Falcon on Jul 17th, 2006, 11:35am
They all looks like Common Tern to me, first two adult and last three juv. ;)

I was just wondering...I notice most common terns occured in HK are Sterna longipennis, have any one actuelly seen a Sterna hirundo before?? ???all the ones in UK i have seen are hirundo...


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