Contact: Diana Yates
University of Illinois at Urbana-Champaign
Caption: A new study found that river otters in Illinois are being exposed to dieldrin, DDE (a byproduct of DDT), PCBs and other chemicals banned decades ago.
Credit: Ivan Petrov
Usage Restrictions: Photo may be used only to accompany stories about the research described in this news release. Credit: Ivan Petrov
Related news release: Illinois river otters exposed to chemicals banned decades ago