Fat body, short and blunt head, small eyes, small ears and short neck. The front teeth are sharp, and the masseter muscles are particularly developed. A tree with a diameter of 40 cm can be bitten off in just 2 hours. The forelimbs are short and wide. No front webbed, thick hind limbs, full webbed toes and itchy toes. Habitat in the cold temperate coniferous forest and coniferous and broad-leaved mixed forest edge of the river, burrowing.
2. The capybara, a mammal, is a semi-aquatic herbivore and the largest rodent in the world. The body is huge, with a body length of1-1.3m, a shoulder height of about 0.5m and a weight of 27-50kg.
The body is clumsy, the head is big, the neck is short, the tail is short, the ears are small and round, the position of the eyes is close to the top, the snout is abnormally enlarged, and the end is blunt. The snout of the male adult has a raised exposed part with hypertrophy fat glands inside, and the upper lip is hypertrophy and split into two valves. The forelimbs have 4 toes and the hind limbs have 3 toes, which are arranged radially. There are half webbed toes between them, which are suitable for paddling. The toes have hoof-like claws, and the females have 4 pairs of nipples.
3. Porcupine, a mammal, is the general name of 3 genera 1 1 species of porcupine family. There are 2 genera and 2 species in China. Known for its spines, spines can protect against enemies, up to 35cm long. When encountering the enemy, the thorns stand upright and shake, making a rustling sound, and can retreat in an emergency, and then forcefully pounce on the enemy and insert the thorns into his body. The porcupine is large, and the largest is more than 70 cm long;
Small head, small eyes, short and thick limbs; There are long and hard spines on the back and tail, which is an important organ to defend against natural enemies; The skull is small, the zygomatic arch does not expand, but the nasal cavity is very enlarged; There are 20 teeth with shallow roots. Habitat on hillsides, grasslands or dense forests. Dongju Night activities, and often have a certain route. When you walk, the thorns rub against each other. Phytophagy. Breeding every year 1 time,
4. Mole, a mammal. Stout, with a length of 10 cm, dark brown hair and a pointed mouth. The forelimbs are developed, the soles of the feet are turned outwards, and there are claws, which are suitable for digging;
The hind limbs are small. Small eyes, hidden in the hair. They live in caves during the day and come out at night to hunt insects and eat the roots of crops. The word mole also means "spy" in some countries. Shandong calls the mole "ground leather" and Heze calls it "anti-ear melon seeds". In the areas of Min County, Tongwei and Huining in Gansu Province, the common name is "Clam Clam".
5. Buffalo belongs to a genus of mammals, Artiodactyla, Bovidae. Buffalo hide is thick, sweat glands are extremely underdeveloped, and it needs to be soaked in water to dissipate heat when it is hot, so it is named Buffalo. Strong physique, sparse coat, mostly gray-black;
The angle is thick and flat, and bends backward; Large hoof, solid texture, soaking resistance, flexible movement of knee joint and ball joint, and freedom of walking in mud; There are four species of buffalo with short ears, long and narrow forehead, forward midline hair, backward and downward sloping back and slender horns. There are only about 4,000 wild buffaloes in the world, and they are being seriously polluted by domestic buffaloes.
References:
Baidu Encyclopedia-Mammalia
Baidu Encyclopedia-Beaver
Baidu encyclopedia-capybara
Baidu encyclopedia-porcupine
Baidu encyclopedia-mole