Normally, the tail of the dog is the most posterior or caudal terminal appendage of the
vertebral column of a dog. The tail is located at the end of the vertebral column.
Some dogs have surprising physical features that make them extra special. There is a little
amazing puppy which what appears like a tail developing on its forehead. We can call
unicorns this type of puppies.
Last year, that unicorn puppy went viral. Their secondary tail locates in the middle of
Then scientists conduct X-Rays on unicorn puppies. The nature of the birth defect remains
unclear and no obvious threat by the secondary tail.
This is a special fact, their secondary tail is not connected to anything and has no real use.
Another unicorn tail does not bother Narwhal.
Finally, staff had been told there was no medical need to remove the extra tail. Because there
is not a pain.