Add Yahoo as a preferred source to see more of our stories on Google. This mountain lion, known as P-47, was found dead in Southern California on March 21, 2019, with rat poison in his system.

Rat poison detected in around a third of wild mammal carnivores — including those that don't normally eat rodents, such as mountain lions and gray wolves. When you purchase through links on our site, ...

Clemson University provides funding as a member of The Conversation US. Rats thrive around humans, for good reason: They feed off crops and garbage and readily adapt to many settings, from farms to ...