Was the Giant Short-Faced Bear a Hyper-Scavenger? A New Approach to the Dietary Study of Ursids Using Dental Microwear Textures Donohue, Shelly L. ; DeSantis, Larisa R. G. ; Schubert, Blaine W. ; Ungar, Peter S. Abstract Publication: PLoS ONE Pub Date: October 2013 DOI: 10.1371/journal.pone.0077531 Bibcode: 2013PLoSO...877531D