What constellation does Tian Tong Avenue represent?

Tian Tong Avenue refers to the zodiac horse.

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Horses are herbivores of the genus Chiroptera, and there are two subspecies of domestic horses and wild horses. Mustang's neck hair is erect without drooping, its forehead hair is extremely short, its tail hair is long, and its limbs are hairless. In summer, the upper body is light brown, reddish brown and red ochre, and the back of the skin is light brown in winter.

Domestic horses are divided into heavy horses, ponies and pocket ponies according to their breeds; Domestic horses have long limbs, solid bones, well-developed tendons and ligaments, hard hoofs, various coat colors, mostly chestnut and blue-black, well-developed sweat glands and strong chewing ability.

Horses can be divided into grassland species, desert species, mountain species and forest species according to their natural environmental conditions, appearance characteristics and performance differences. Grassland species are distributed in vast grassland areas; Desert species live in dry desert areas; Plant in the mountains and be good at walking mountain roads; Forest species live in cold forest areas. Horses are sexually mature at the age of 4, mate in June and give birth in April-May of the following year. The average life span of a horse is 30-35 years old, and the longest is 60 years old.

Appearance characteristics

The figure is symmetrical, the limbs are long, the third toe is hoofed, and the second and fourth toes are degenerated, leaving only the degenerated metacarpals and metatarsals. Extremities are highly specialized, humerus and femur are short, radius and tibia are long, and ulna and fibula are retracted. The third toe is developed, the metacarpal bone is long, the toe (finger) bone is relatively short, and there is a hoof. Buccal tooth high crown; The enamel layer of the upper molar has fine folds.

Heavy variety weight 1200 kg, height 200 cm. The small variety weighs less than 200 kg and is only 95 cm tall. The so-called pocket pony is only 60 centimeters tall. The head is straight and long and the ears are short. The limbs are long, the bones are solid, the tendons and ligaments are developed, and cicadas with palm and pillow traces (commonly known as night eyes) have hard hooves and can run quickly on hard ground.

The coat color is complex, mostly dark brown, chestnut, blue and black. Take off the quilt in spring and autumn. Developed sweat glands are conducive to regulating body temperature, not afraid of cold and heat, and easy to adapt to the new environment. The chest is deep and wide, with developed heart and lungs, suitable for running and strenuous labor. Esophageal stenosis, single stomach and large intestine, especially cecum, are extremely developed, which is helpful to digest and absorb coarse grains.

Without gallbladder, bile duct is developed. The chewing ability of teeth is very strong, and the gap between incisors and molars is called occlusal part, which is used to hold the occlusal body when driving. Age can be judged according to the number, shape and degree of wear of teeth, and both hearing and smell are keen.