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Baffled over bison

Two centuries ago, bison and elk were more common to the east of North America's Rocky Mountains than to the west. A look into why this was so may hold lessons for modern conservation biologists.

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Figure 1: North American explorations.



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Correspondence to Peter D. Moore.

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Moore, P. Baffled over bison. Nature 416, 488–489 (2002).

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