How long do mountain lions live?

According to the San Diego Zoo, mountain lions have a lifespan of up to 20 years. The average age of maturity for mountain lions is 2 to 3 years of age. Full-grown female mountain lions weigh between 75 and 105 pounds, while full-grown males weigh between 116 and 158 pounds.

Mountain lions exist in a variety of habitats that include deserts, grasslands, forests, rain forests and mountains. They are territorial by nature and mark their territories by scraping trees and spraying urine into the scrapings. Mountain lions are carnivorous and eat birds, snails, possums, fish, rabbits, squirrels and porcupines, and larger animals such as deer, elk, coyote and bobcats.