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Subject: [Oversea] Genus Aythya [Print This Page]
Author: wkcheng    Time: 27/10/2018 16:50     Subject: Genus Aythya

Greater Scaup (Aythya marila) or Lesser Scaup (Aythya affinis)?
2018.09.21
Frame Lake
Yellowknife
Canada


Image Attachment: DSC_5371a.jpg (27/10/2018 16:50, 499.83 KB) / Download count 579
http://hkbws.org.hk/BBS/attachment.php?aid=35887

Author: ddavid    Time: 28/10/2018 00:03

I think these are Lesser Scaup. Greater Scaup has a rounded head. Lesser Scaup has a peaked rear crown - as shown in your photograph.

David
www.birdinghongkong.com
Author: wkcheng    Time: 28/10/2018 19:58

Quote:
Original posted by ddavid at 28/10/2018 00:03
I think these are Lesser Scaup. Greater Scaup has a rounded head. Lesser Scaup has a peaked rear crown - as shown in your photograph.

David
www.birdinghongkong.com
David,

Thank you for your advice.

WK



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