You might be considering whistle training for dogs if you’re hoping to work ... at close range or blow it directly into your dog’s ear. To keep your dog happy, it’s best to keep the whistle ...

In other words, dogs can hear sounds that humans are unable to recognize. This difference is probably due to the dogs’ hunting nature where hearing needs to be acute to identify subtle movements. The ...

This unique sliding whistle would produce high-pitched sounds at frequencies above the limit of human hearing. Galton tested his invention on the streets of London by blowing it near dogs and charting ...