Squirrels are a member of the rodent family and are a daytime animal. They nesting in attics, soffits, eves, and nesting in trees. The breeding season is usually in Spring, and once again during Fall, with the litter consisting of 4 to 6. If nesting in an attic space, wood is often destroyed by chewing. The insulation may be destroyed by urine, feces, and nesting.