Beaver Fact of the Week: Beaver Lodges are Warm

Beavers don’t hibernate in the winter. Beavers also live in places like Canada and Minnesota. I went to college in Minnesota for 4 years. It gets seriously cold there, like -40F and below sometimes. There was a family of beavers living in the arboretum on the college’s campus, and they made it through each winter just fine. How do they live outside in such nasty cold temperatures – sometimes cold enough where exposed skin gets frostbite in just 5 minutes??

That’s one of the many functions of their expertly engineered lodges! Beaver lodges are built with enough insulation that even in extremely cold climates, the temperature inside the lodge rarely dips below freezing. This is great for beavers – they have a nice cozy house to come back to everyday. It’s also great for frogs, insects, muskrats, field mice, and many other critters that take up residence in the beaver lodges during the winter. Without the beaver lodges, many wetland and aquatic species wouldn’t be able to survive the winters as well.

The video below shows a part of a documentary on beavers where you can see inside a lodge in the winter. The whole documentary is pretty awesome, but this scene at the end of all the animals in the lodge really shows how important beavers and their lodges really are to local ecosystems.

2 thoughts on “Beaver Fact of the Week: Beaver Lodges are Warm

  1. hi – been referenced your blog for a naturalist class I’m taking. I bounced between (really delightful) postings to this one, and would love to see the excerpt from a documentary you’re referencing here.. but it’s no longer available. Could you send the link or at least the name of the documentary so I can look for it, please?

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