Dogs are our good friends. They have a pair of bright eyes and can see many different colors. But how many colors can dogs distinguish? It's a very interesting question.

In the human visual system, color is one of the basic features. We can see seven basic colors and different combinations and variations of these colors. However, dogs have a different visual system than humans. Dogs have two types of cones in their retinas that respond to red-green and blue-purple. This means dogs can distinguish between colors such as red, yellow, green and blue. However, dogs have limited color discrimination compared to humans. Dogs are less sensitive to color and less able to distinguish between colors such as red and green. In addition, dogs also have a different range of color vision than humans, and they may perceive certain colors differently from humans.

In addition to basic colors, dogs are able to distinguish between different shades of gray. This allows them to operate at night or in low light conditions. Additionally, dogs have other characteristics of vision, such as a high sensitivity to motion and shape, and a strong ability to judge distance and size.

Although dogs have different color vision abilities than humans, this does not affect their importance in our lives. Whether in the field of police dogs, guide dogs, rescue dogs or pet dogs, dogs play an important role. With their excellent sense of smell and hearing, as well as keen powers of observation, they provide us with a lot of help and services.

In conclusion, the ability of dogs to distinguish several colors is limited, and there are certain differences compared to humans. But this does not prevent them from becoming indispensable partners and friends in our lives. We should respect and cherish their unique visual system and work for their health and well-being.