The sloth is the world's slowest mammal, so sedentary that algae grows on its furry coat. The plant gives it ... and stroke efficiently with their long arms. The three-toed sloth emits a long ...

The Hoffman's two-toed sloth is one of the world's slowest mammals—so sedentary that algae grows on its furry coat. The plant gives ... with their long arms. Two-toed sloths are slightly larger ...