The Tribune San Luis Obispo2012-07-13: Toxic chemicals used to rid rodents from illicit marijuana gardens in the Sierra Nevada range and elsewhere in California may have inadvertently poisoned dozens of vulnerable weasel-like mammals called fishers, according to a new study released today. Biologists from UC Davis, the nonprofit Integral Ecology Research Center, and state and federal land agencies found that nearly 80 percent of a sample size of fishers found dead in the wild were exposed directly or indirectly to anticoagulant rodenticides – rat poison. They point to illegal marijuana cultivation as a likely culprit for the introduction of the… more »