Ultrasonic sound makes waves that vibrate so quickly that only animals with especially sensitive ... rats are calling for their mother using very high-pitched squeaks. This means they can ...

Eric Bgin on FlickrThe animal kingdom is a cacophony of grunts, growls, whistles, squeaks, and other noises that sound utterly crazy to the human ear but are essential to animals survival. We know ...

He’s never been very interested in movies before,” one person said of his cat watching 'Flow' The results are in! Pets are ...