Putting the sloth in sloths: Arboreal lifestyle drives slow motion pace

Scientists set out to measure the energetics of wild two- and three-toed sloths at a field site in in northeastern Costa Rica. The purpose of the study was to help explain why arboreal folivores are indeed so rare and why more animals have not evolved to take advantage of a widespread ecological niche.
Source: ScienceDaily Headlines - Category: Science Source Type: news