Lifespan Of A Brown Squirrel. Also known as the american red squirrel (sciurus vulgaris), or the brown squirrel, this tree rodent is said to have a high mortality rate. The eastern grey squirrel lives on trees and is commonly native to eastern north america.
How long do squirrels live?
Tree squirrels, ground squirrels and red squirrels (along with a larger list of rodents) count themselves amongst the sciuridae family. The average squirrel lifespan is much lower, between 5 and 6 years, partly due to the very high mortality rate of. Squirrels that manage to survive the first two years of their life have an average lifespan of six to twelve years in the wild. What do squirrels like to eat?