Pangu Pigmeus; orangutang

Primates are the only species of gorilla in Gorillaceae. Among primates, the size is second only to that of gorillas, and the male is larger than the female, with a body length of 1.25m and a female of 0.768m The weight is 75 ~ 100 kg for males and 40 ~ 80kg； for females. The arm is very long, 2.3 ~ 2.4 meters wide. When standing, your arms hang down to your ankles. Short legs are not as strong as arms; The body hair is sparse, dark reddish brown, and there are more than 20 centimeters of long hair on the shoulders and back; Protruding forehead, protruding mouth, thin lips, small eyes and ears, and narrow eye spacing; There is a thick leaf-shaped meat pad on the side of the adult male face, and there is an airbag under the meat pad, which is connected with the throat and swells greatly after inflation, which plays a role in making sound; Some people have beards under their chins; Narrow and long hands and feet, strong arms and hands. The hand is about 28 cm long and the foot is about 32 cm long. Canine teeth are developed, with 32 teeth, the same as humans. Tailless.

Kalimantan and Sumatra have two subspecies. It is the only orangutan species in Asia with a narrow distribution area. Not much. Habitat in the tropical rain forest. Males live alone, females live alone or live with young orangutans. Activities during the day, most of the time for foraging, eating figs, rambutan, mangoes, honey, eggs, young birds, crustaceans, fresh vegetables and plant buds. The gestation period is 8 ~ 9 months, and each fetus has 1 offspring, with a life span of 25 ~ 40 years. The activity is not as quick and agile as that of a monkey, and the hands and feet alternately grab branches to move the body. You can walk upright on the ground, but you must rely on your fingers to support your waist. Strong arm strength, no other natural enemies except tiger and leopard. Build a nest on a branch 8 ~ 12 meters above the ground, cover it with leaves and sleep in the tree at night. Usually very gentle, when angry, very terrible. Cover your body with big leaves on rainy days. Due to the hunting of female animals and forest development, the number is now scarce.

gibbon

Gibbons living in the dense forests of Xishuangbanna have a new relationship with human beings. Its morphological structure, physiological function and living habits are close to human beings. Gibbons are slim, with slender arms and dexterous movements. It flies over the forest and trees like a bird. Even if two trees are more than 10 meters apart, they can fly by like lightning, and they are called "acrobats" among animals.

Gibbon is an emotional animal. When apes are injured or die, they stop singing and frolicking for a long time, but express their sympathy and grief to their companions with silence, which can be regarded as a kind of "emotional" animal among Yunnan animals.