The mountain lion (Puma concolor)—also known as the cougar and puma—is the largest wild felid, or member of the cat family, in Colorado. Mountain lions are obligate carnivores, meaning that only animal flesh can meet their bodies’ nutritional needs. They…

Rocky Mountain Elk (Cervus canadensis nelsoni) are large mammals in the deer family that live in Colorado’s forests. Revered as a symbol of the American West, they have played an important role in Colorado’s ecology and natural history. Each year,…