Species group · Mammals

Beavers

WAnimals has 2 species of beaver, in the family Castoridae.

2 species

1 family

37 countries

95 parks

Ranges calculated from the profiles that record the figure, not from all 2.

All 2 species of beavers on WAnimals

Each one has its own full profile. This group does not replace them: it brings them together.

1 Least Concern1 Not Evaluated

No species documented in this group is genuinely at risk according to the IUCN, with the data available today.

Recorded in 37 countries. The ones with the most species in the group:

It is monogamous, forming stable pairs that breed together year after year.
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Its dams and lodges transform river ecosystems profoundly.
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It was all but extinct in the nineteenth and twentieth centuries, with only some 1,200 animals left.
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Only the colony's dominant female breeds each year.
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It eats the bark, leaves and twigs of trees such as willow and poplar.
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It lives in rivers, lakes and streams across much of North America.
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