Q: I’ve suspected that animals are nesting in my attic for a while, and recently I’ve noticed lots of squirrel activity in the trees surrounding my roof. Is it possible that I have squirrels in my ...

If you hear scrabbling in the attic, that's a strong indication you have squirrels. Other signs include a stash of acorns or nuts, nesting in the insulation, a strong smell of urine, chirping babies, ...