Wildlife disease ecologist Mourad Gabriel has documented that 85% of California Pacific fishers have been exposed to rodenticide. Fishers are an elusive carnivore in the weasel family that prefers remote forests.

Wildlife disease ecologist Mourad Gabriel has documented that 85% of California Pacific fishers have been exposed to rodenticide. Fishers are an elusive carnivore in the weasel family that prefers remote forests.