S37 E4: A Squirrel's Guide to Success

The squirrel family – from tiny chipmunks to big prairie dogs – is one of the most widespread on Earth. There are almost 300 species of squirrels that can glide through the air, outwit rattlesnakes, and survive the coldest temperatures of any mammal. Discover the secrets to their success.
Aired: 11/14/2018 | 0:00:35
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