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Eurasian Wigeon - pure or hybrid ?

ywaihung

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1# A A A Post at 4/03/2009 12:26  Show all

Eurasian Wigeon - pure or hybrid ?

The Eurasian wigeon in this picture shows clearly a large area of green colour behind the eye.  Is this a variation of the pure form or is it a hybrid wigeon?  Is this green colour common among the Eurasian wigeons?

1-1-2009
Duck Pond, Mai Po Education Centre

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ywaihung

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2# A A A Post at 4/03/2009 12:55  Show all
Many thanks to ajohn.

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