Coba jelasin Galeri dari Bison dong

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Nesheim, David A., “Profit, Preservation, and Shifting Definitions of Bison in American,” Environmental History, 17 (July 2012), 547–77.

Ward, T. J.; Bielawski, J. P.; Davis, S. K.; Templeton, J. W.; and Derr, J. N. (1999) "Identification of Domestic Cattle Hybrids in Wild Cattle and Bison Species: A General Approach Using mtDNA Markers and the Parametric Bootstrap," Animal Conservation