A baby squirrel fell out of a nest and into the life of "Emmy" the cat, who had just delivered kittens of her own. She apparently thinks the squirrel is just another one of her kittens and so does the squirrel. The owners say if you pick up the squirrel and pet her, she starts to purr.
YouTube Video: Mississippi Baby Squirrel Adopted By Mother Cat Learns How to Purr