When did the Canadian government relocate surplus plains bison into Wood Buffalo National Park (WBNP)?
Answer
Between 1925 and 1928.
A significant event complicating the genetic integrity of the wood bison involved a large-scale government action taken decades before the rediscovery of the pure herd in 1957. During the period spanning from 1925 through 1928, Canadian authorities moved a substantial surplus of plains bison—numbering over 6,600 animals—into WBNP. This introduction was intended for population management of the plains subspecies but resulted in the immediate introduction of genetic hybridization issues and the transmission of bovine diseases like tuberculosis and brucellosis into the already struggling wood bison population.
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