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[Oversea] Genus Aythya

wkcheng

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1# A A A Post at 27/10/2018 16:50  Show author

Genus Aythya

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

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ddavid

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2# A A A Post at 28/10/2018 00:03  Show author
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

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wkcheng

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3# A A A Post at 28/10/2018 19:58  Show author
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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