A two-toed sloth at the Nashville Zoo. Larisa R. G. DeSantis Imagine a sloth. You probably picture a medium-size, tree-dwelling creature hanging from a branch. Today’s sloths – commonly featured on children’s backpacks, stationery and lunch boxes – are slow-moving creatures, living inconspicuously in Central American and South American rainforests. But their gigantic Pleistocene ancestors that inhabited the Americas as …
Read More »Giant ground sloths’ fossilized teeth reveal their unique roles in the prehistoric ecosystem
