What is the life expectancy of a squirrel?

The average life span of grey squirrels is extremely brief -- generally only between 11 and 12 months, according to the Smithsonian National Museum of Natural History. Despite this brevity in life expectancy, some free roaming grey squirrels have actually surpassed 10 years in age. read more

They live about 4 years in the wild, because of predators and illnesses. They can live 10 years or more in captivity. But squirrels are wild animals and so never should be kept as a pet. read more

The pests experience high mortality rates in their first year of life but are capable of living up to 15 years in the wild. The average squirrel lifespan is between five and six years. Since the pests are prolific breeders, homeowners dealing with squirrel infestations see populations rise dramatically. read more