How long is the flying squirrel?

1-2 years. Actual life span of the Grey Squirrel is closer to 3-6 years. However, most squirrels living around cities would most likely be killed by an automobile within their first year; where as rural squirrels would be more likely to die from lack of food. Note: There are comments associated with this question. See the http://wiki.answers.com/Q/Discuss:What_is_the_life_span_of_a_squirrel.