When I was very young, I heard people say that dogs are very smart little animals. For example, when a person goes out, he will urinate under a tree while walking, and make marks. The dog will get used to it in summer. Sticking out the tongue to relieve the heat from the body, so in addition to these well-known habits of the dog, there are those little knowledge that we have never known? The following editor will popularize it with you!

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Dogs sometimes like to curl up while sleeping, not just for warmth. Dogs are highly alert animals, curling up to protect their soft belly, which is one of the reasons they do this, indicating that they are not very comfortable with their current environment.

Our daily petting of dogs not only enhances the bond between us and dogs, but also studies have shown that when we pet dogs, our own blood pressure will decrease. In addition, some owners like to put their own clothes on the dog, which also has certain advantages. The residual smell on the clothes can calm the dog's anxiety.

If we look closely at the noses of dogs, we will find that there are certain lines on their noses. These lines are actually quite similar to our fingerprints and can play a role in identifying the identity.

It is said that dogs always like to follow the north-south magnetic line of the earth when they defecate. When they are finished, they will rub the ground with their feet. This is because the sweat glands on the feet can leave smells here. This is how you show your territory.

Maybe we think that Chihuahuas are quite noisy dogs, they will use their own barking to solve the problem of approaching strangers or expressing their dissatisfaction. But there is actually a dog breed that is noisier than the Chihuahua, and that is the Beagle.

A dog's hearing is almost 4 times that of ours, but its eyesight is not much better than ours. During the day, the dog's vision may not be as good as ours, but at night, the dog's vision is better than ours. Much better, dogs see more at night than we do.

Some people say that dogs drink water by curling their tongues. In fact, they rely on the stickiness on their tongues to carry water up, so dogs don't drink much water each time.