The coypu (from Spanish coipú, from Mapudungun kóypu; Myocastor coypus), also known as the river rat or nutria, is a large, omnivorous, semiaquatic rodent and the only member of the family Myocastoridae. Originally native to subtropical and temperate South America, it has since been introduced to North America, Europe, Asia, and Africa, primarily by fur ranchers. Although it is still valued for its fur in some regions, its destructive feeding and burrowing behaviors make this invasive species a pest throughout most of its range.
Coypus live in burrows alongside stretches of water. They feed on river plant stems.

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  1. Angler

    A nutria hunting adventure!!

    About 8 weeks ago I received a very nice email from a young man named Sam from Salem asking if I would take him "varmint hunting". He had a friend who took my class and then went hunting sage rats with me. I replied I am full for this year's class but he could contact Kids S.A.F.E. Foundation...
  2. T

    Nutria shooting in Washington county

    Can I use an air rifle to kill nutria in the urban area of Washington County (Oregon)? I live on Fanno Creek and the nutria have tunneled under my flood wall. How powerful a rifle is needed? How inexpensive can I go, considering that it will be for a single purpose?
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