There is a famous saying that the “dog is the guard of the house.” Actually, the dog is very friendly with the man. It protects its master’s property as its own.
There are various kinds of dogs, such as German shepherd, Alsatian, and Pomeranians etc. Most of these dogs are high in their pedigree. Meanwhile, the stray dogs are really troublesome for the people. Anyway, the dog is the first animal which went to space too. The dog has a long history and it may be the long living animal on the earth.