COMMISIONS: Cary Institute for National Public Radio: 161104_caryinstitute_reiss-02

Dr. Richard S. Ostfeld of the Cary Institute of Ecosystem Studies holds a white-footed mouse caught in an animal trap in Millbrook, New York on November 4, 2016. Photo by Stephen Reiss for NPR.

Dr. Richard S. Ostfeld of the Cary Institute of Ecosystem Studies holds a white-footed mouse caught in an animal trap in Millbrook, New York on November 4, 2016. Photo by Stephen Reiss for NPR.