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Old Monday 9th September 2019, 16:29   #4
Andrew Whitehouse
Professor of Listening
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Join Date: Sep 2003
Location: Aberdeen
Posts: 20,684
Quote:
Originally Posted by aeshna5 View Post
Male Mallard in eclipse.
The bill pattern and colour in the first two pictures suggests a female. A male would show a plain yellow bill even in eclipse.
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