Dogs know their masters through their sense of smell The dog’s ability to smell is very high, the performance lies in the police dog can be based on the suspect’s smell, track the suspect’s location and so on these fully explain the dog’s sense of smell is powerful. Dogs are very responsive to scent, and dogs live with their owners for a long time, so they are familiar with their owners’ body odor. So the dog can easily identify the owner, especially the owner is in a group of strangers, the dog can immediately identify. Dogs through the sense of hearing to know the master dog’s hearing is also more sensitive than normal, the dog’s hearing range can be expanded several times than the human hearing range. The dog’s hearing frequency can reach 1 million Hz, which leads to the dog can identify very subtle sounds, human footsteps can be clearly identified by the dog, not only for the owner’s smell is more sensitive, for the owner’s voice, footsteps and other such sounds are also very sensitive, can be easily identified. Dogs know their masters through vision Dogs are a smart animal and can also rely on its vision to make judgments. Although the colors in the dog’s eyes are not as rich as the colors seen by people, but the dynamic vision of dogs is much better than the vision of human eyes, dogs can recognize whether it is the owner by observing the external form of the human body and the movement habits of people. Dogs in the visual sense although not as sensitive as the sense of smell and hearing. But in the dynamic vision capture can be comparable to some animals in the forest. The main reason is that dogs have a hunting nature and often go to the mountains to hunt wildlife, such as pheasants and rabbits. This exercises the dog’s dynamic vision, which is a skill that ordinary pets do not have.
