| Mallard (Anas platyrhynchos) | ||
Dunsapie Loch, Edinburgh, Scotland The first four photos are of males in various stages of eclipse plumage. The last two are of males in breeding plumage |
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| Although the general appearance approaches that of a female, the bill is yellow rather than orange with black and the breast is reddy-brown rather than buff. There are some more photos available at the Berkeley Digital Library |
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