Vocal patterns in cats

Did you know that researchers have noted 19 different vocal patterns in cats. Howver, it's thought that individual cats may use their own personal sounds that they only use with their owners. 

The Very Best Toy for Cats

"Of all the [cat] toys available, none is better designed than the owner himself. A large multipurpose plaything, its parts can be made to move in almost any direction. It comes completely assembled, and it makes a noise when you jump on it."

Stephen Baker