Giant ground sloths’ fossilized teeth reveal their unique roles in the prehistoric ecosystem
- Written by: Larisa R. G. DeSantis, Associate Professor of Biological Sciences, Vanderbilt University
Harlan's ground sloth fossil skeleton excavated and displayed at the La Brea Tar Pits in Los Angeles.Larisa DeSantisImagine a sloth. You probably picture a medium-size, tree-dwelling creature hanging from a branch. Today’s sloths – commonly featured on children’s...

