Casey Anderson's Wild Tracks

Gunshots in the hills of Montana? Turns out it's just bighorn sheep rams, bashing their 30-pound weapons of war together to determine who gets to mate with the waiting females. Join filmmaker Casey Anderson for a close-up look at nature's true battering rams.

A mountain lion drags a deer carcass back to its lair and Casey Anderson's infrared camera is there to capture the action. But the footage reveals a surprise that even the experienced adventurer didn't see coming. Take a rare look into the secret life of one of Montana's elusive big cats.

Wolves are elite hunters of the American wilderness. They can smell their unsuspecting prey from a mile away and hear them from a distance 10 times as far. Join explorer Casey Anderson as he follows a tenacious wolf pack on the trail of an unsuspecting elk herd, deep in the wilds of Montana.

Wildlife expert Casey Anderson has a golden rule for finding action in the Montana wilderness: Follow the scavengers. When an animal dies, it's often the ravens and magpies who are the first to find out-and on this occasion, they lead him to a gargantuan haul.

Montana's extreme winters can be harsh, with temperatures of 40 below and 50-mile winds. That's where the American bison excels. With 2,000 lbs. of mass generating metabolic heat and a layered fur coat for warmth, it's perfectly at home in this subzero terrain. Brave the cold with Casey Anderson to learn more.

What's an ermine? During snowy winters, this Montana weasel turns white to blend in. But this tenacious trooper isn't changing color to avoid becoming prey-he's a predator himself. Join adventurer Casey Anderson as he zooms his lens in on this feral fighter.