Contact: Diana Yates University of Illinois at Urbana-Champaign
Caption: Ambrose analyzed the teeth of two dozen mammal species
found in the same ancient soil layer as Ardipithecus in order to
help reconstruct its environment. A modern hippopotamus tooth is
pictured. Credit: Photo by L. Brian Stauffer, U. of I. News
Bureau Usage Restrictions: Photo may be used only with stories
about the research described in the news release. Please credit:
Photo by L. Brian Stauffer, U. of I. News Bureau. Related news
release: Early hominid first walked on 2 legs in the woods