Mallard Complexity
10,000 Birds
FEBRUARY 14, 2017
The drake of this extremely common, sexually dimorphic species ( Anas platyrhynchos ) cuts a fine form with his iridescent emerald dome and chestnut breast. Answers will be forthcoming, but for now, I can tell you that they are all members of the mallard complex , a roster of about 20 closely-related Anas -species ducks around the world.
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