What is the role of the dog’s tail a. Dogs often wag their tails to maintain body balance, so we see dogs walking or running, will wag their tails, because the dog’s tail is like a human arm, only swinging back and forth, to maintain balance when walking. Second, we always see dogs meet their masters, they will keep wagging their tails, to show that ingratiation, so dogs in different emotions, the tail will have a different swing amplitude or frequency. Third, spread the smell, generally when we go out to walk the dog will find that the dog will pee in some places, so it is said to leave an imprint in this place, so wagging the tail is the same, by wagging the tail will give off a unique smell, can make other dogs identify themselves, so the dog’s tail is very important to the dog, do not easily touch.
