Family: Bradypodidae Save
General information and anatomy of the three toed sloth.
http://animaldiversity.ummz.umich.edu...   

Family: Megalonychidae Save
General information and anatomy of the two toed sloth.
http://animaldiversity.ummz.umich.edu...   

Three-toed Sloth Save
Information from Wikipedia on the four sloths included in the Bradypodidae family.
http://en.wikipedia.org/wiki/Bradypod...   

Two-toed Sloth Save
Information from Wikipedia on the classification of the family Megalonychidae which contains just two species, Choloepus didactylus and Choloepus hoffmanni.
http://en.wikipedia.org/wiki/Megalony...   

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