You may know them as Alvin’s little friends who love to sing in the movie Alvin and the Chipmunks, but in reality, chipmunks really love to chirp and use their harmony to communicate with each other.

Beavers are famous for nibbling away at trees, and their sometimes-peskier cousins, rats and mice, might chomp on drywall and electrical wiring in your house. While rodents generally gnaw to help file ...