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ViewsLake DuckFrom Opus
[edit] IdentificationSeveral alternative names exist, including words like "Argentina" or "Blue-billed" 40 cm (16 inches) in length. Black head, reddish-brown body, and blue bill. The female has a brown body, white throat, and a white horizontal stripe on the side of the head below the eyes. [edit] Distribution[edit] TaxonomyLake Duck is monotypic, e.i., no subspecies are recognized. It belongs to the family of Stiff-tailed Ducks, which makes it a relative of the Ruddy Duck. [edit] HabitatLarge freshwater lakes. [edit] BehaviourThey feed by diving. Ducks are one of very few groups of birds that uses a penis for transferring semen to the female. It has been described that Lake Duck has an unusually long penis for the body size. Reference: http://mercury.bio.uaf.edu/%7Ekevin_mccracken/reprints/auk-117-820.pdf. [edit] External Links
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