Dogs know their owners through their sense of smell

Dogs have a very high sense of smell, which is reflected in the fact that police dogs can track the suspect's location based on the smell of the suspect, etc. This fully demonstrates the power of the dog's sense of smell. . Dogs are very responsive to smells, and they have lived with their owners for a long time and are already familiar with the owner's body odor. Therefore, the dog can easily identify the owner, especially if the owner is in a group of strangers, the dog can identify the owner at once.

Dogs know their owners through hearing

Dogs’ hearing is also unusually sensitive. The dog’s hearing range can be several times larger than the human hearing range. , the dog's hearing frequency can reach 1 million Hz, which allows the dog to recognize very small sounds. The sound of human footsteps can be clearly distinguished by the dog. It is not only sensitive to the owner's smell, but also to the owner's voice, These sounds such as footsteps are also very sensitive and can be easily identified.

Dogs know their owners through vision

Dogs are smart animals and can also rely on their vision to make judgments. Although the colors in dogs’ eyes are not as rich as those seen by humans, dogs’ dynamic vision is much better than that of human eyes. Dogs can identify the person’s appearance by observing the external shape of the human body and the person’s moving habits. Not the owner. Although dogs' vision is not as sensitive as their sense of smell and hearing. But its dynamic vision capture is comparable to some animals in the forest. Mainly because dogs have a hunting nature and often go up the mountains to hunt wild animals, such as pheasants and hares. This exercises the dog's dynamic vision, a skill that ordinary pets do not have.