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9 Amazing Dog Facts

3. A dog’s wagging of the tail doesn’t necessarily indicate happiness

Your dog’s tail might be trying to tell you something. Actually, a dog’s tail may wag to the left when they are feeling scared and it may wag right when they’re happy. Wagging low on the other hand can indicate that they’re insecure and fast wagging accompanied by dilated pupils or tense muscles can be a signal aggression. Each dog’s wagging tail speaks of a story for whoever knows how to interpret the signs properly, as not every wag will mean the same thing for each dog.