Watch ALL NEW episodes of North America, Sundays at 9PM E/P on Discovery. From avalanche-dodging grizzlies to head-bashing big horn sheep, from diving bears to cunning coyotes, we witness the extremes and wonders of North America's ...See moreWatch ALL NEW episodes of North America, Sundays at 9PM E/P on Discovery. From avalanche-dodging grizzlies to head-bashing big horn sheep, from diving bears to cunning coyotes, we witness the extremes and wonders of North America's mountains and forests. Written by
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