Bat inspection in Greenwich, CT. We looked at this bat inspection in Greenwich, CT to find that this homeowner had hundreds of bats roosting in her attic and hanging around her home. She said that at night she could hear scratching at times, but thought it was just mice. We found piles and piles of bat guano in her attic.
The most common bats we have here in Connecticut are the big and small brown bats, they are active during the spring, summer and fall. During the day they roost in a dark, warm place such as an attic, hollow tree or cave. For both species the males tend to roost solo or in small groups during the summer months while the females will gather in communal nursery roosts with their pups. They hibernate in similar spaces during the winter. Little brown bats hibernate in clusters.