How Sloths Went From the Seas to the Trees
Season 2 Episode 4 | 11m 45s | Video has closed captioning.
The story of sloths is one of astounding ecological variability, with some foraging in the seas, others living underground, and others still hiding from predators in towering cliffs. So why are their only living relatives in the trees?
Problems Playing Video? | Closed Captioning