wkcheng 27/10/2018 16:50
Genus Aythya
Greater Scaup ([i]Aythya marila[/i]) or Lesser Scaup ([i]Aythya affini[/i]s)?
2018.09.21
Frame Lake
Yellowknife
Canada
[attach]35887[/attach]
ddavid 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
[url]www.birdinghongkong.com[/url]
wkcheng 28/10/2018 19:58
[quote]Original posted by [i]ddavid[/i] at 28/10/2018 00:03 [url=http://www.hkbws.org.hk/BBS/redirect.php?goto=findpost&pid=82386&ptid=27692][img]http://www.hkbws.org.hk/BBS/images/common/back.gif[/img][/url]
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
[url]www.birdinghongkong.com[/url] [/quote]
David,
Thank you for your advice.
WK