Bison roll in these depressions, covering themselves with dust or mud.
More subordinate bulls mate with any remaining cow that has not mated yet.
; C.
Wolf packs specializing in bison tend to have more males, because their larger size than females allows them to wrestle prey to the ground more effectively.
April 9, 2009.
Those in Yukon, Canada, typically summer in alpine plateaus above treeline.