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Message: <blockquote data-quote="Philip Round" data-source="post: 1715726" data-attributes="member: 78492">Thailand's second Greater ScaupThank you those who have commented on the identification of  Thailand's putative second Greater Scaup.  In retrospect, I should have posted this as a separate posting from the original, on round-headed Tufted Ducks.  (So far as I know, nobody has yet responded to my query specifically relating to occurrence of Tufted Ducks without crests, which were shown in the first photograph).Returning to the putative Scaup, I too , like Dantheman, had considered Lesser Scaup, having noted a slight peak when I 'scoped the bird (but which, however, I cannot discern from any photographs).  I have pleasure in enclosing another photo of the same bird in flight, taken by Thai bird photographer Chaiwat Chinuparawat, which shows the flight pattern. This possibly shows too much white in outer primaries for Lesser Scaup?  So I assume this still leaves us to choose among Greater Scaup, Scaup-Tufted hybrid, or otherwise unusual-looking Tufted Duck, for the female-plumaged bird in the second and third photographs.  Opinions are still split, though with a clear majority in favour of Scaup.  In real life, the bird did appear slightly larger than accompanying Tufted Ducks, though this is cannot be judged from the photographs for reasons I do not fully appreciate.</blockquote>