Credit: flickr Sloths can rotate their heads up to 270 degrees thanks to extra neck vertebrae. That’s more than most other similar species and even humans. This flexibility enables them to stay alert ...
Today, sloths are slow-moving, tree-dwelling creatures that live in Central and South America and can grow up to 2.5 feet long. Thousands of years ago, however, some sloths walked along the ground, ...
Fans of the movie franchise Zootopia know that sloths make the perfect DMV (Department of Mammal Vehicles) workers.
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