Rat poison kills more than rats.

Rat poisons work their way up the food chain with devastating effects. Poisoned Rats do not die in bait boxes. The rodents are consumed by predators such as raptors, snakes, coyotes, and bobcats. The mountain lions at the top of the food chain feed on smaller predators that have eaten the poison.

More Information: 

Beyond Pesticides News Blog - Learn about the recent win in Malibu, CA!

 https://beyondpesticides.org/dailynewsblog/index.php?s=Rat+POisons 

10/8/2019 LA Times article on P-30 and P-53 (P = Pumas).

 https://www.latimes.com/california/story/2019-10-08/two-mountain-lions-found-dead-in-santa-monica-mountains-had-rat-poison-in-bloodstream 

8/27/2020 LA Times article on B-372 and P-76 (B = Bobcat).

https://www.latimes.com/california/story/2020-08-27/rat-poison-kills-bobcat-mountain-lion-in-santa-monica-mountains

10/1/2020 NPS Press Release on P-67 Note: Bromethalin is not an anticoagulant but a highly potent rodenticide!

 Biologists Attempt to Foster Orphaned Mountain Lion Kittens - Santa Monica Mountains National Recreation Area (U.S. National Park Service) (nps.gov)