Pet owners usually know a lot about their dogs, from their
favorite toys to their moods and all the things they love. However, no one
knows their dog like other dogs do and this is because when two dogs meet. They
do a lot more than just sniffing and it has got a lot to do with very minute
details of the movements of their tails. Humans have a hard time doing so and
even if they do observe, they are unable to interpret the meaning of such
As an example, when a dog wags its tail, it could mean anything besides that he is happy or excited. Moreover, the speed and direction of the tail of the dog is also an important factor in determining the things the owner should know.
Take a look at a few basics told about the dogs' tails in the first picture.