Why Does A Dog Wag Its Tail When It Sees You. If you watch a dog take a tight turn at high speed you will likely see him use his tail for stability The tail is also one component of the body language dogs use to communicate along with facial expressions and body postures. But a tail tucked between the legs is a sign that a dog is afraid anxious or submissive. In a way a dog wagging Its tail serves the same communication functions as a human smile a polite greeting or a token of recognition. This discomfort can be a precursor to aggression.
Energetic tail wagging means that a dog is happy and excited to see you. These could be compared to cutting out a humans tongue and removing their vocal cords. Sometimes the dogs tail wags so fast that it appears to vibrate. Tail wagging is an instinctive behaviour that develops between 3 and 4 weeks of age depending on your dogs breed and is one of the primary communication methods to both other dogs and people. Unfortunately far too often people mistakenly pay more attention to the tail action than to the front end of the dog specifically the mouth displaying a full set of sharp teeth cautions Alice Moon-Fanelli PhD a certified applied animal behaviorist in private practice in Eastford CT. The rate at which a tail moves adds further meaning to canine communication.
Dogs wag their tails to express a wide range of emotions including happiness excitement nervousness or aggression.
While its commonly thought that dogs wag their tail to show they are happy it can be for other reasons as well such as nervousness and excitement. When a human displays a smile does that mean they are happy. A wagging tail does not always mean the dog is friendly. It may be a signal of aggression. The faster the wag the more excited the dog. Sometimes the dogs tail wags so fast that it appears to vibrate.