Dear Dr. Fox: When I whistle, my dog is able to quickly locate where the sound is coming from, and looks at me. When I whistle at my cats, they look all over and can't seem to locate where the sound ...

Some years ago, in a memorable TV bit called "Confuse-a-Cat," the clowns of Monty Python performed an insane sketch in which a business, which has the specialty of startling household pets out of ...