You must have seen dozens of dogs in your life, Some of them of rare breeds which are found in very small number. Here is list of world"s unique dog breed that you have never heard of.
1-Swedish Vallhund
 
2-Bedlington Terrier
3-Tibetan Mastiff
4-Telomian
5-Catalburun
6-Mudi
7-Azawakh
8-Bergamasco Shepherd
9-New Guinea Singing Dog
10-Karelian Bear Dog