Felis concolor, Cougar, Cougars, Puma, Mountain Lion, Mountain Lions, Feline, Felines, Wild Cat, Wild Cats, Wildcat, Wildcats, Wild Feline, Big Cat, Big Cats, Bigcat, fauna, Mammal, Mammals, North American wildlife, Predator, Predators, carnivore, carnivorous, carnivores, wildlife, North America, Rocky Mountains, Kitchin, Hurst, vertical, snarling, anger, threatening, violent, head, head shot, head shots, headshot, headshots, mouth open, teeth, Thomas Kitchin & Victoria Hurst, leesonphoto