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Why do dogs wag their tails? Now researchers have an answer

2024-01-23 19:51:28Lifestyle SHKRUAR NGA REDAKSIA VOX
Why do dogs wag their tails? Now researchers have an answer
Why do dogs wag their tails?

According to the study, in which the Sapienza University of Rome and the University of Turin also participated, the movement of the tail is related to communication or taming.

Why do dogs wag their tails and we like it? In an attempt to answer this, a team of researchers from the University of Turin, the Sapienza University of Rome, the University of Veterinary Medicine in Vienna and the Max Planck Institute for Psycholinguistics put forward two possible reasons in a study published in the journal Biology Letters.

Tail wagging for communication

The tail originally evolved to facilitate locomotion; many animals also use it for balance. Over time, dogs stopped using their tails for locomotion and began using them to communicate many moods, such as joy at seeing their humans again or waiting for a ball to be thrown, but also can indicate tension.

According to some researchers at the University of Turin, tail wagging is an asymmetric behavior, where dogs move their tails to one side or the other depending on the stimuli they encounter. These animals tend to wag their tails to the right when they have positive stimuli, for example when they see their owner or a familiar person. In contrast, dogs show a left-oriented tail wag when they are negatively stimulated, such as when encountering an unfamiliar, dominant dog, or if they are in aggressive situations.

Domestication of the animal is another possible reason

According to the researchers, one possible reason for tail wagging in dogs is that it developed during domestication, a long process that leads to a number of physiological, morphological and behavioral changes in animals, such as increased obedience and reduced aggressiveness.

The two hypotheses are related to domestication

One of the two hypotheses is that tail wagging has a genetic link to obedience. Another hypothesis is that the tail-wagging behavior may have been the goal of the domestication process, with humans selecting for dogs that wag their tails more frequently and rhythmically.

Many multidisciplinary studies show that humans have remarkable abilities to perceive and produce rhythmic sequences. This penchant for rhythm may have driven the human selection for the apparent rhythmic wagging of the dog's tail; which explains why dogs exhibit this behavior so often in human interactions.

Some dogs wag their tails more than others

Dog tail wagging is not the same in all breeds: for example, hunting dogs wag their tails more than herding dogs.


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