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The Conversation USA

Rat poison is moving up through food chains, threatening carnivores around the world

  • Written by Meghan P. Keating, PhD Candidate in Wildlife and Fisheries Biology, Clemson University
imageThis mountain lion, known as P-47, was found dead in Southern California on March 21, 2019, with rat poison in his system.National Park Service via AP

Rats thrive around humans, for good reason: They feed off crops and garbage and readily adapt to many settings, from farms to the world’s largest cities. To control them, people often resort to...

Read more: Rat poison is moving up through food chains, threatening carnivores around the world

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