Greenland sled dog is the oldest dog breed compared with all dog breeds.
These sled dogs originated from Arctic regions; these ancient canines are older than 9500 years.
Chow chow dog breed is the fluffiest and cutest dog breeds older than 2000 years ago with well-grooming needs.
Greyhounds are the fastest and oldest dog breeds, 8000 years ago, and love to cuddle the most.
African-origin "barkless dogs" are always calm and quiet older than 6000 years ago.
Independent and protective guard dogs older than 9200 to 9400 years based on genetic evidence.