Sentences with phrase «dog whistles usually»

Dog whistles usually make sounds at a pitch of 20,000 hertz which dogs can hear and most people can't.

Not exact matches

While Marine animal trainers usually use a whistle to mark the behaviors (the sound travels better underwater), we use a simple piece of metal and plastic which clarifies (in the dog's mind), what is expected of him at an exact point in time without stress and confusion.