The most common problems caused by raccoons are – ripping open roof or soffit to break into attic – destroying insulation, ducts, wood, and wires in attics – tipping over garbage cans – killing decorative fish in ponds, killing chickens, other pets – stealing pet food – pooping in swimming pools – rolling up sod for earthworms – eating crops like corn – entering pet doors and going inside homes – living under sheds or houses – basically, almost anything.