Orangutan
Pango pygmaeus; orang utan
The only species of the genus Orangutan in the family Orangidae. Among primates, the size is second only to the gorilla. The male is larger than the female, with a body length of 1.25 meters and a female of 0.768 meters. The weight of the male is 75 to 100 kilograms and the female is 40 to 80 kilograms. The arms are very long, with an open width of 2.3 to 2.3 meters. 2.4 meters, with arms hanging down to the ankles when standing; legs short and not as thick as the arms; body hair sparse, dark reddish brown, with more than 20 cm of hair on the shoulders and back; protruding forehead, protruding mouth, thin lips, eyes, ears The nose and nose are all small, and the distance between the eyes is narrow; the side of the adult male's face has thick leaf-like fleshy pads, and there is an air sac under the fleshy leaves, which is connected to the throat. Function; some have beards under their chins; their hands and feet are long and narrow, their arms and hands are thick and powerful, their hands are about 28 cm long, and their feet are about 32 cm long; their canine teeth are well developed, with 32 teeth, and the tooth pattern is the same as that of humans. No tail.
There are two subspecies, distributed in Kalimantan and Sumatra. It is the only orangutan species that is distributed in Asia, and its distribution area is small. Not many. Inhabits tropical rain forests. Males live alone and females live alone or with young orangutans. It is active during the day and spends most of its time foraging for figs, rambutans, mangoes, honey, bird eggs, young birds, crustaceans, fresh vegetables and plant buds. The gestation period is 8 to 9 months, each fetus has one offspring, and its life span is 25 to 40 years. It is not as quick and agile as monkeys, and uses its hands and feet to grasp branches alternately to move its body. It can walk upright on the ground, but it must be supported by its fists and fingers, and its waist cannot stand upright. It has strong arm strength and has no other natural enemies except tigers and leopards. Make a nest with branches on a tree branch 8 to 12 meters above the ground, cover it with leaves, and sleep in the tree at night. Normally docile, but scary when angry. Use large leaves to cover your body when it rains. Due to hunting of female animals and forest development, the number is now scarce
Gibbons
Gibbons living in the dense forests of Xishuangbanna have a new relationship with humans. Its morphological structure, physiological functions and living habits are relatively close to humans. The gibbon has a slim body, slender arms, and dexterous movements. It can fly through the forest and trees like a bird. Even if the two trees are more than 10 meters apart, it can fly through the air like lightning. It moves freely, easily and gracefully. It is called the best among animals. "acrobat".
Gibbons are emotional animals. When someone in the group of apes is injured, sick or dies, they will no longer sing and play for a considerable period of time, but use silence to express their sympathy and sympathy for their companions. Grief can be regarded as the most "emotional" animal among Yunnan animals.