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Prey Forget to Fear PredatorsPrey animals are not necessarily hard-wired to fear their enemies.
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Bison Poop Reveals Two Distinct U.S. PopulationsHaving two breeding populations in Yellowstone could boost the overall genetic diversity of the beasts.
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Ancient Miniature Buffalo Discovered -
Tuberculosis Helped Bring Down MastodonsA pandemic among an ancient mammoth-like creature probably contributed to the great beasts' demise, a new study suggests.
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10 Species Success Stories -
Climate Change, Not Humans, Killed Large BeastsWhat killed the mammoths? A new explanation is instantly controversial.
