Fast Fact: Beavers

Beavers are amazing animals for many reasons, but their building ability is top-notch. They are actually one of the few animals other than humans that are able to modify their habitat. They do this with all their building activity.

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Busy beavers build both dams and lodges. The lodges are their homes, and they typically have multiple underwater entrances and a living space that is above water. They often build their lodges in ponds created by their dams. They build dams across streams or other waterways to create a pond for themselves to live in, but the ponds also create homes for lots of other wildlife too.


Beavers are considered a keystone species because their presence is so important to the ecosystem. If they left a habitat area, many other plant and animal species would be affected.


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