AOL

5 Strange Noises Dogs Can Hear But You Can’t

Dogs weren’t always waiting by the door for snack time. Long ago, their hearing played a crucial role in survival. Dogs are designed to hear significantly higher frequencies, up to 44,000 Hz, than ...
tdn

Blue Sky Science: How can dogs hear a dog whistle but people cannot?

Humans can hear sounds in a range from about 20 to 23 kilohertz at the upper range of their hearing ability. The hearing range of dogs is almost double that. The dog whistle, which sounds silent to us ...
Yahoo

5 Weird Sounds Only Your Dog Can Hear

5 Weird Sounds Only Your Dog Can Hear originally appeared on Parade Pets. Once upon a time, long before dogs were fed kibble from bags served in shiny metal bowls, they were busy surviving in a world ...
Globe Gazette

Blue Sky Science: How can dogs hear a dog whistle but people cannot?

— Yue Xi, Shorewood Hills, Wis. A Dr. Sandra Sawchuk, primary care veterinarian in the University of Wisconsin-Madison School of Veterinary Medicine: Humans can hear sounds in a range from about 20 to ...