Competition Between Carnivores: Untangling the Relationship Between Pumas, Black Bears, and Deer December 31, 2015 California

California Deer Population, Management News and Information Archive

... Pumas and black bears are the two large carnivores found throughout California. Both species kill deer and other ungulates and as a result they often compete with each other...  pumas abandoned over 70% of their kills as soon as bears arrived ...  Santa Cruz does not have bears, and as you might expect puma densities are over five times higher ...

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