Sloths are known for how slowly they move, but their slow speed isn't just a funny quality they have— it's part of why their species has survived for 64 million years. Following is the text of ...

The sloth is the world's slowest mammal, so sedentary that algae grows on its furry coat. The plant gives it a greenish tint that is useful camouflage in the trees of its Central and South ...

We started by looking in a couple of secret hiding spaces that one of the two-toed sloths was hiding in. The other hiding ...