15. Cougar - Felis concolor. From 7-8 feet long. Has one or two young in a litter. Eats large and small animals and birds. Occasionally insects. Habitat is forest and thicket. Lives in a cave or fissure in the rocks. Forestry Story - Fire is the worst enemy of the forest. To protect trees against fire, tree farmers build and maintain thousands of miles of forest roads...and use lookouts, short-wave radio, and the most modern fire-fighting equipment.