Why dont Wolves wag their tails?
At least for wolves, a rigid tail wag (like a pendulum) means the wolf is excited while a fluid wag of the tail (like a snake) signals play/greeting behavior. According to NBCnews.com, research shows that dogs don’t wag their tails when they are alone, even when they are presumed to be happy.
Why do wolves have tails?
The meta answer is that it’s because fish had tails, which were essential for locomotion, and the tail became a fundamental part of the vertebrate developmental plan. And now we have wolves that use their tails for balance and social signaling.
Why does a dog wag its tail?
It’s commonly believed that dogs wag their tails to convey that they are happy and friendly, but this isn’t exactly true. A tail held straight out means the dog is curious about something. Tail wagging reflects a dog’s excitement, with more vigorous wagging relating to greater excitement.
Do cows wag their tails when happy?
A wag of their tail can also help communicate to animals around them. A wagging tail could also mean it is in pain or just irritated. Cows also use their tails to swat away flies and sometimes calves wag their tails when they are nursing.