It’s well known that many animals are particularly sensitive to high-frequency sounds that humans can’t hear. Many commercial pest repellers based on this principle are available, most of them ...

The sound travels farther and cuts through background noise, making it great for long-distance recall training. These whistles show the divide between what people think is silence and what dogs truly ...

Dear reader, one of the skills I have always dreamed of nurturing is whistling. I am so envious of family and friends who can emit a sharp loud screech when they are trying to get attention. Sadly, my ...