Red-breasted merganser | bird | Britannica (original) (raw)

bird

Also known as: Mergus serrator, sheldrake

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  In merganser
  The somewhat smaller and ground-nesting red-breasted merganser (M. serrator) has a similar range. In the United States, common and red-breasted mergansers are often called sheldrakes (properly a name for the shelducks).
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