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American Beaver (C. canadensis)
Beavers are semi-aquatic rodents native to North America and Europe. They are the only members of the family Castoridae, which contains a single genus, Castor. Genetic research has shown the European and North American beaver populations to be distinct species and that hybridization is unlikely. |

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Promenade le 8 aout 2005 de St Faustin a Ivry, Laurentides, Quebec
The ponds created by well-maintained dams help isolate the beavers' home, their lodge, also created from severed branches and other natural sources. The lodge has an underwater entrance to make entry nearly impossible for any other animal. |

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Snake River-Beaver (Grand Tetons 6-03)
This is a swimming beaver |