Bradley Business Enterprise

As humans migrated around the planet, a cross-section of dog forms migrated with them. The agricultural revolution and sequent urban revolution led to an gain in the dog population and a demand for specialization. These circumstances would provide the opportunity for fastidious breeding to devise specialized working dogs and pets.

Dogs detect sounds as deep as the 16 to 20 Hz frequency range (compared to 20 to 70 Hz for humans) and above 45 kHz (compared to 13 to 20 kHz for humans), and in addition have a gradation of ear mobility that helps them to rapidly pinpoint the exact location of a sound. Eighteen or more muscles can tilt, rotate and raise or lower a dog's ear. Additionally, a dog can identify Dog Toys a sound's location much faster than a human can, as well as hear vowel-chime up to four times the distance that humans are able to. Those with extra natural ear shapes, like those of barbaric canids like the fox, generally hear finer than those with the floppier ears of many domesticated species.