1. They always wag their tails
Why are dachshunds wagging their tails?
Many people think that when dachshund dogs waving their tails it means they are happy when seeing their owners. However, some research has shown that whenever puppies waving their tails, it means they are about to attack you.
Like some other animals, when they are in danger, they will make some major actions to scared the opponent before attacking and waving their tails is one of those actions.