Despite their similar names, the two types of sloths belong to different families and have different evolutionary histories. Two-toed sloths are slightly larger and more active, while the three-toed ...
Ancient sloths lived in trees, on mountains, in deserts, boreal forests and open savannahs. These differences in habitat are primarily what drove the wide difference in size between sloth species.
Sloths, capybaras, and quokkas, oh my! Discovery why children love certain animals like these more than others.
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