Ugly dogs do exist and even if you are a great dog lover, you cannot deny the fact that some breeds do not look cute and attractive.
Here is a list of the ugliest dog breeds:
Popularity of the pug is hard to explain. This breed is far from cute. This creature is wrinkly. Its face is short and flat plus it has a tail of a pig – short and curled. This dog was brought to other countries from China. The best thing about the pug is its friendly nature.