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This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?

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The business world is sometimes described figuratively as dog eat dog.

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In the state of Maharashtra in western India the situation is literally cat eat dog.

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Where the cats are leopards and the dogs are, well, dogs.

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That's the finding of a Wildlife Conservation Society study published in the journal Oryx.

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The paper points out that big cat ecology and predator prey interactions in tropical regions are typically studied in natural systems.

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The majority of the prey in those cases are ungulates: think zebras or deer.

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But in human-dominated areas, especially agricultural ones, you can have large populations of domesticated animals, a big attraction for any hungry wildlife.

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Researchers examined 85 leopard scats, because that's how you do this kind of research.

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And 87 percent of the prey biomass they recovered was from domestic animals, with nearly half of that coming from dogs, many of them presumably feral.

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Livestock make up only a small part of the leopard diet.

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For example, goats outnumber dogs seven to one, but are just 11 percent of meals for the cats, probably because they're penned in at night.

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Those numbers are good news because they may calm farmers' fears about heavy losses of agriculturally valuable species.

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Of course, it's not good news for the dogs.

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Thanks for the minute, for Scientific American's 60-Second Science. I'm Steve Mirsky.

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