Dogs are one of mankind's most loyal partners. They accompany us and give us endless happiness and warmth. However, in order to take better care of our pets, it is crucial to know some common sense about dogs. In this little popular science, Pet Master will explore some basic knowledge about dogs to help you better understand and care for your pet.

Dogs are actually color blind. There are only a few colors in its eyes: black, gray, yellow, blue, etc. There are only two types of cone cells in the dog's eyes, but the ability to distinguish individual colors is relatively strong

Dogs are actually color blind. Unlike humans, their eyes only come in a few colors: black, white, grey, yellow and blue. Dogs have only two types of cone cells, which means that their color discrimination ability is relatively weak and they can only distinguish a few colors. Despite this, dogs are still able to adapt to and understand their surroundings through their other senses, such as smell and hearing, which also makes them excellent companions and work partners.

Dogs don't drink water by licking it. In fact, it is drunk by rolling the tongue back like a spoon

The way dogs drink water is different from that of humans. They do not drink water by licking it. In fact, dogs drink water by curling their tongue backwards, like a small spoon. This unique way of drinking water allows dogs to capture and absorb water more efficiently while also avoiding spilling too much water. This behavior demonstrates dogs’ exquisite body mechanisms and adaptability, allowing them to survive flexibly in various environments.

In fact, dogs also dream, and their owners often appear in their dreams

In fact, dogs also dream, and their owners often appear in their dreams. In a dream, the dog may relive the good times with the owner, or recall happy moments playing with the owner. The presence of the owner in this dream reflects the dog's deep emotion and attachment to the owner. Just like humans, dogs experience a variety of emotions and experiences in their dreams, further highlighting the special and deep emotional bond between humans and dogs.

The longer you spend time with a dog, the more the owner and the dog will become more and more similar in appearance, movements, and various behavioral habits.

The longer you spend time with your dog, the better the relationship between the owner and the dog will be. The similarities will gradually increase, whether in appearance, actions, or various behavioral habits. This similarity may be due to the close relationship between owner and dog and the long period of living together. For example, if the owner often exercises with the dog, it may lead to similar physical condition and size; the owner's lifestyle and behavioral habits will also subtly affect the dog, causing them to gradually imitate the owner's behavior. This similarity is not only physical, but may also involve psychological and emotional levels, making the relationship between owner and dog closer and deeper. This increased similarity also reflects the close emotional bond between owner and dog, as well as the symbiotic relationship between them.

Dogs will circle in circles before pooping mainly to ensure their own safety.

The behavior of dogs turning in circles before defecating is actually mainly looking for a suitable position to ensure their own safety. As dogs circle, they sniff and observe their surroundings to find a suitable place to defecate. At the same time, the behavior of turning in circles also helps dogs adjust their body posture and position, making them feel more comfortable and safe. This behavior shows that the dog is fully prepared before defecating and pays great attention to its own hygiene and safety.

Dogs are not born with the ability to swim. If you throw your dog into the water rashly, you will easily drown. If you want to take your dog swimming, you can prepare a dog life jacket in advance

Dogs are not born with the ability to swim. If you throw your dog into the water hastily, it can easily lead to a drowning accident. If you want to take your dog swimming, we need to make preparations in advance. One of the most important preparations is to put a life jacket on your dog. A life jacket ensures your dog remains buoyant while in the water, reducing the risk of drowning. In addition, pay attention to choosing a suitable swimming place to ensure that the water quality is clean and there are no strong currents and dangerous objects. Before taking your dog to swim, it is best to carry out appropriate training so that the dog can gradually adapt to the water environment, stay alert near the water, and be ready to rescue the dog at any time. This ensures that your dog can enjoy swimming safely and happily.

A dog's teeth will change once during the growth process. Generally, all the deciduous teeth will grow in around April, that is, the original 28 deciduous teeth will be replaced by 42 permanent teeth.

Dogs’ teeth will go through a tooth replacement period during their growth, which usually starts around 4 months. At this time, the dog's deciduous teeth will gradually loosen and fall out, making way for permanent teeth. As the permanent teeth grow, the number of teeth in the dog will also increase, gradually changing from the initial 28 deciduous teeth to 42 permanent teeth. This process may last several months until all the permanent teeth are fully erupted and firmly anchored in the gums.