The frequency range of dog hearing is approximately 40 Hz to 60,000 Hz. Dogs can detect sound far beyond the upper limit of the human auditory spectrum.More than eighteen muscles can rotate,raise and tilt. Dogs can hear a sound at four times the distance in compare to human and also smell is more sensitive than human.
Extreme close up photography of dogs. Photo taken near to my home. Gear : Canon EOS 1000d with 55-250mm lens