Do cougars live in the Grand Canyon?
Mountain lions (Puma concolor) also called cougars or pumas, inhabit the canyons and forests of Grand Canyon National Park, and are the region’s only remaining large predator.
What is a keystone species in the Grand Canyon?
One of the keystone species of the grand canyon is the mountain lion. Rabbits, mule deer and bird species are somewhat controlled by the presence of the mountain lion. The activity of the mountain lion dictates where they make their burrows and nests.