The pink girl plays the zodiac.

The pink girl was a dog when she played the zodiac.

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Dogs, belonging to Carnivora Canidae, are mammals, and are also called "six animals" with horses, cows, sheep, pigs and chickens. The size and coat color of dogs vary with different breeds, and their physique is symmetrical; The snout is longer;

The eyes are oval; Both ears are upright or upright; The limbs are vigorous, with 5 toes on the forelimbs and 4 toes on the hind limbs, with claws, but the claws cannot be extended; The tail is annular or sickle-shaped. According to Li Shizhen's Compendium of Materia Medica, "Dog means knocking. Dogs bark rhythmically, just like knocking on objects. Some people say they call dogs because they are embarrassed. "

Dogs are distributed all over the world. Dogs love to eat meat, but also eat dog food, human meals, fruits, snacks and so on. Dogs don't sweat They release heat by opening their mouths and sticking out their tongues. Dogs are seasonal monogamous animals, with estrus from March to May in spring, from 9- 165438+ 10 in autumn, and from 6- 10-2 in wild dogs, with estrus period of 6- 14 days.

The gestation period of a dog is usually three months, and sometimes it can give birth to ten to twelve puppies at a time. Smaller breeds can only have four or five puppies at a time, and it is more common to have one or two puppies at a time. The life span of dogs is relatively short, generally around 12 years.

Some scientists believe that dogs were domesticated by early humans from the gray wolf, and the domestication time was from 40,000 years ago to 1.5 million years ago, and it has been developing to this day. As the pet with the highest feeding rate at present, it is called "the most loyal friend of mankind". It is witty, brave, faithful, reliable, considerate and versatile.

Because of this, dogs are loved and protected almost all over the world. In the zodiac, dogs have always been the livestock closest to people's lives. After long-term training, people have developed their talents and specialties in some aspects.

In order to meet different requirements and purposes, dog breeds are the most complex among domestic animals, including various specialized breeds such as meat, hunting, guarding, reconnaissance, grazing, performance, competition, guidance, sledding, experiment, and viewing.