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Subject: Yellow legged Gulls ? [Print This Page]

Author: kyshum    Time: 18/02/2010 22:09     Subject: Yellow legged Gulls ?

Are the first two yellow legged gull first winter and last two yellow legged gull adult?

Image Attachment: [1] 244.JPG (18/02/2010 22:09, 45.34 KB) / Download count 314
http://hkbws.org.hk/BBS/attachment.php?aid=5790



Image Attachment: [2] 247.JPG (18/02/2010 22:09, 47.62 KB) / Download count 298
http://hkbws.org.hk/BBS/attachment.php?aid=5791



Image Attachment: [3] 237.JPG (18/02/2010 22:10, 65.99 KB) / Download count 297
http://hkbws.org.hk/BBS/attachment.php?aid=5792



Image Attachment: [4] 250.JPG (18/02/2010 22:10, 58.95 KB) / Download count 303
http://hkbws.org.hk/BBS/attachment.php?aid=5793


Author: cgeoff    Time: 19/02/2010 08:40

The first bird is a 1y Slaty-backed Gull. Structure, pale head and chest contrasting with dark belly, darkness of upperparts.

The second is more tricky as the quality of the photo is not great and the angle of the bird not helpful. Suggest it is a hybrid at the vegae end of the spectrum.

Geoff
Author: HFCheung    Time: 19/02/2010 11:44

So the bill need not be all dark!  I see.  Thank you.

HF Cheung
Author: kyshum    Time: 19/02/2010 21:12

Thanks !




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