Long before today’s tree-dwelling sloths, a 4-ton giant roamed South America — and it may have stood and fought like a bear.
Add Yahoo as a preferred source to see more of our stories on Google. A sloth bear is seen in a file photo taken at Tadoba Andhari Tiger Reserve, in Maharashtra, India. / Credit: Rakesh Reddy ...
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, ...