Contact: Diana Yates
University of Illinois at Urbana-Champaign
Caption: Kevin Johnson, an ornithologist with the State Natural History Survey at the University of Illinois, led a study that found that the ancestors of lice that now prey on birds and mammals were likely around before the dinosaurs became extinct.
Credit: L. Brian Stauffer
Usage Restrictions: Photo may be used only with stories about the research described in the news release. Please credit: L. Brian Stauffer
Related news release: Did dinosaurs have lice? Researchers say it's possible