how long do squirrels live
1 Squirrels can live up from 15-20 years in captivity but seldom live longer than a year in the wild. 2  They have powerful teeth and can do a great deal of damage with their chewing. 3  They also tend to carry squirrel fleas Orchopeas howardi, so be careful. 4  They can fit through openings measuring 2 square inches.