Have you ever been so relaxed watching someone else relax? A sloth named Chewie — after Chewbacca from “Star Wars” — can’t help himself when someone scratches underneath his chin. His expression ...
The Smithsonian's National Zoo is home to three Linnaeus's two-toed sloths and shares some sloth basics, but here are three lesser-known sloth facts. 1. The Smithsonian has a collection of fossilized ...
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