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Orangutans are large, intelligent primates found primarily in the rainforests of Borneo and Sumatra. They belong to the family Hominidae, also known as great apes, which includes gorillas, chimpanzees, bonobos, and humans. Orangutans are highly arboreal, spending most of their time in trees where they build nests for sleeping. As mammals, orangutans share several common characteristics with other animals that fall under this category. They are warm-blooded, have fur, and nurse their young with milk produced by the mother's body. Orangutans also possess opposable thumbs, which they use to manipulate objects and tools in their environment. Orangutans share similarities with other primates such as monkeys, but there are notable differences between them. For instance, orangutans have a more upright posture compared to monkeys, who tend to move on all fours. Additionally, orangutans have a more robust and complex brain structure than monkeys, which is reflected in their advanced cognitive abilities. In terms of animal classification, orangutans belong to the order Primates, along with other species such as lemurs, lorises, tarsiers, monkeys, and apes. Within this order, orangutans are classified as great apes due to their larger body size, upright posture, and more complex social structures compared to other primate groups. As zoo animals, orangutans are a popular attraction for visitors due to their intelligence, gentle demeanor, and striking appearance. Zoos play an essential role in the conservation of this species by providing a safe habitat for them and raising awareness about the threats they face in the wild, including habitat loss and poaching.