Jefferson's sloth, Megalonyx, weighed about a ton, and that was small  compared to megatherium, which could reach six metric tons, as much as an elephant.
Jeffersonov ljenivac, Megalonyx, težio je otprilike jednu tonu, što nije bilo puno u usporedbi sa megatheriumom, koji je mogao težiti šest tona, jednako kao i slon.