June 27, 2013 — Rat poison used on illegal marijuana grows is killing fishers in the southern Sierra Nevada, according to a recent study conducted by a team of scientists from the U.S. Forest Service's Pacific Southwest Research Station (PSW), University of California, Davis, University of California, Berkeley, and the Integral Ecology Research Center.
http://www.sciencedaily.com/releases/2013/06/130627102833.htm