How do dog whistles work?

The sound it emits comes from what is known as the ultrasonic range, a pitch that is so high humans can't hear it. Dogs can hear these sounds, however, as can cats and other animals. Because of this, the dog whistle is a favored training tool, though it may not be for every dog parent.

☁️ "So How Does a Dog Whistle Work? Because a dog can hear at higher frequencies than humans can, you will only hear a quiet hissing sound when a high pitch dog whistle is blown. The pooch should have no difficulty hearing the sound when you blow one of these “silent” whistles." ☁️ This doesn't belong to me.

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