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Anas platyrhynchos)
A Female Mallard Sleeping.The two white stripes at the edge of the blue one indicate that it is a pure Mallard,
Spotted on Mar 14, 2012
Submitted on Mar 14, 2012
4 Comments
mallard ducks sleep with one eye open. Researchers have found that one hemisphere of the bird is awake while the other sleeps. This is an adaptive behavior to stay alert from looming predators.
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You are very welcome.
Great info "The two white stripes at the edge of the blue one indicate that it is a pure Mallard"these kind of detail is precious for a scientif
id,thanks for sharing