Abstract
Average home-range sizes calculated by the minimum-convex-polygon method from radiotracking data for wood bison ( Bison bison athabascae ) in the Mink Lake area and the Mackenzie Bison Sanctuary, Northwest Territories, Canada were significantly larger (897 ± 118 km2) for 10 adult females than for six adult males (433 ± 128 km2) and were significantly smaller for females where the population was expanding. Larger home ranges for wood bison than that reported for plains bison ( B. b. bison ) possibly were related to habitat productivity and forage distribution; smaller home ranges for wood bison where populations are expanding possibly were related to greater access to forage.
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