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(If youve ever used a dog whistle, you know this.) Like sirens, howls contain high-pitched sounds, and scientists think that a dog howls when he hears a siren because the dog thinks he is hearing a howl from another dog.That is, the dog thinks he is communicating with another dog!oyotes, wolves and wild dogs travel in packs, raise pups in groups and have an organized social structure. Social animals communicate, and because these three groups of animals are related, it is not surprising that they all use a similar form of communication: howling, barking and growling.
Instructions. Q. You say that Humans can't hear the whistle, but dogs can. I hear this whistle all the time. A. The ad states that Humans can't hear the high pitch of the whistle, but that dogs can. This dog whistle, as well as ALL silent dog whistles, do produce a secondary audible sound.This sound is produced by the volume of air that goes across the whistle.ow to use this whistle: While your dog is asleep, or when his attention is calm and unfocused, lightly blow on the whistle. You can unlock the nut, then screw the stem in or out until the dog's ears perk up. You have found the 'sweet spot' that tunes directly to you dog.