A family was on vacation when they came across puppies for sale. One dog grabbed their attention and they couldn’t walk away without him. The person selling the puppy had told the family that this was a rare kind of mastiff. The family always believed that until they got some surprising news about their dog.

Their new dog had some peculiar habits, including walking on its hind legs like a human. They named the dog Little Black. Then the dog grew to three-feet tall and the family became curious as to why the dog was growing so fast. They thought something might be wrong with their puppy.

Watch the video to learn the surprising truth about this dog.

He wasn’t a mastiff at all, which made a challenge for this family.