BTW, if you've wondered about this, whether it's an auditory thing only, or if it's due to the, uh, sensation being somehow different, Calvin the deaf dog has kindly answered this question for us. It's mostly an auditory thing. Of the few squeakers he's had, only once did he turn to look.
Adrianna & Calvin - didn't know you had borrowed one of my cats
Relate totally to the O days one - Zeus should also be wearing that sign
Thank you Calvin for answering such an important question Zeus doesn't give anything away, he just looks innocent