10 most difficult dogs riddles

In the Eastern Orthodox Church, certain icons covertly identify Saint Christopher with the head of a dog. The background to the dog-headed Christopher is laid in the reign of the Emperor Diocletian, when a man named Reprebus, Rebrebus or Reprobus was captured in combat against tribes dwelling to the west of Egypt in Cyrenaica.

The Japanese Chin is unique in that they are owned strictly for companionship. Their distinct appearance and personality eventually captured the hearts of Japanese royalty and resulted in ownership being restricted to those of royal and noble blood

In Norse mythology, Garmr or Garm is a wolf or dog associated with both Hel and Ragnarök, and described as a blood-stained guardian of Hell's gate.

The modern Xoloitzcuintle appears to be a result of a mixture of the aboriginal, pre-Columbian Xoloitzcuintle, itself a descendant of a domesticated dog that came with the ancestors of indigenous Americans from Asia.

It was originally bred in Tosa (present day Kōchi) as a fighting dog, by crossing Shikoku-Ino crossed with European dog breeds, such as Mastiff, St. Bernard, Great Dane and the Bull Terrier. The heyday of Tosa breeding was between 1924 and 1933, today the breed is rare. Ownership of Tosas is legally restricted in many countries.

The Beauceron is a guard dog and herding dog breed falling into the working dog category whose origins lie in the plains of Northern France. The Beauceron is also known as Berger de Beauce (sheepdog from Beauce) or Bas Rouge (red-stockings).

The Pug is one of the oldest dog breeds in the world. Ancient Chinese documents state that short-nosed dogs with the description matching that of the Pug existed in China at around 700 BC. These dogs were only bred and owned by the emperors. It is believed there is an ancient Chinese law whereby only the emperor was allowed to own a Pug, anyone other than the emperor could only own a pug if it was a gift from the Emperor himself.

Balto was a sled dog who led his team on the final leg of the 1925 serum run to Nome, in which diphtheria antitoxin was transported to combat an outbreak of the disease. After the mission's success, Balto and the Norwegian Gunnar Kaasen, who drove the sled, became celebrities.

Fala was one of the most famous presidential pets. Given to the Roosevelts by a cousin, Fala knew how to perform tricks; the dog and his White House antics were mentioned frequently by the media and often referenced by Roosevelt and his wife Eleanor. Fala survived Roosevelt by seven years and was buried near him.

The Saluki is among the oldest dog breeds originally bred in the Fertile Crescent. Historically, Salukis were used for hunting by nomadic tribes of Persia. Typical quarry included the gazelle, hare, fox and jackal. Breeding in the West did not start until the 19th century.