Tail wag

Dog tail wag – The MANY unique meanings behind!

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Happy tail wag, happy dog?

Happy tail wag means a happy dog, right? But is it really that simple or is your dogs tail wag more complicated than that?

Today we are looking into how a dog communicates with their tails and what underlying emotion a tail wag might display.

As a dog owner you have properly seen your dog using his/her tail in different ways to communicate with you. The happy tail wag you see when you get home after a long workday to the more insecure frightened tail between the legs telling you that your dog is feeling insecure or frightened about something. The high tail wag tells you that a dog is confident and happy, while a low tail wag tells you that a dog is insecure. The lower the tail, the more frightened a dog is. 

Dog tail wag - The MANY unique meanings behind! 1

The science behind the tail wag

Recently scientists have figured out that a tail wag can also display a dog’s most inner feelings. It all comes down to lateralization. A dog’s brain, like a human’s, is divided into a left and a right hemisphere. The left hemisphere of the brain has control of the more positive emotions while the right hemisphere takes charge of the more frightening uncomfortable emotions. Just like in humans, the nerves cross on the way from the muscles to the brain, so that the left hemisphere controls the right side of the body and the right hemisphere controls the left side of the body.

Scientist found that the symmetry in which a dog wags his/her tail differs slightly when comparing the right and left side.

This was studied further, and a study have now shown that when dogs greet their owners their tail is more turned to the right, hence the left hemisphere is splurging out happy emotions. This was in contrast to when the dogs were introduced to a stranger, where it was observed that their tail wag went more towards the left hence an activation of the right hemisphere in control of the more insecure, frightened emotions.

A dog’s wag can change instantly if the situation changes which was seen when the dogs saw their owners from a distance and first wagged a little insecure to the left but once they recognized their owner their tail wag quickly changed to the right.

But it is not only for humans that dog differ their tail wag symmetry, they also use it to communicate with other dogs. This was found in a study where dogs were shown video clips of other dogs wagging their tails either more to the left or to the right. In the dogs observing, a higher pulse and increased insecure behavior was seen when they watched dogs wagging their tail more towards the left.

These studies show us the importance of learning to read our dogs body language and how the slightest changes in their body language can tell you how they feel. Furthermore, it also proves that just because a dog wags his/her tail it does not mean that he/she is happy, it can also be a sign of insecurity and many other meanings we still haven’t figured out. With this knowledge you can help your dog by understanding how they feel in different situations and protect them from uncomfortable scary situations in the future.

Your dog is properly lying by your feet or next to you as you read this, happy and content, but try to notice how your dog wags his/her tail next time you come home and how different it is to when a stranger comes to your door or greets your dog in the street.

Let me know your observations in the comments below.

Want to know more about body language in dogs read these blogs:

https://lifewithadog.org/fur-color-and-behavior/

https://lifewithadog.org/dog-body-language/

https://lifewithadog.org/dog-myths/

Happy tail wags to you all!

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