Scientists have found that orangutans have a sense of empathy and mimicry which forms an essential part of laughter. Additionally, sub-adolescent males and females will form their own groups. Thus Orangutan literally means “Person of the Forest”. When a baby is born it will depend on its mother for everything. The different habitats have isolated the orangutan reproductively and geographically from one another creating a “degree of difference” or two subspecies. These are generally about 15 or even 100 feet high in a tree. The life expectancy of orangutans in the wild is not known, but captive orangutans have been known to live up to fifty years. After they have finished eating and bedtime comes around the orangutans build themselves a new nest forty to fifty feet up in a tree made of boughs. Dr. Birute Mary Galdikas found twenty-four behaviors present in certain populations of orangutans but not in others. It’s the physical traits, rather than the strictly genetic ones, that researchers say link orangutans so closely to humans. They have also made tools to throw at humans, get food, and gain leverage. Tutor and Freelance Writer. The orangutan is the largest animal in existence that is arboreal or lives in the trees. They are now endangered primarily because their habitat continues to be destroyed and the practice of killing the mother in order to capture a baby for animal trade. and reach a height of five feet. She will need to carry it as it won’t be able to easily walk. Males become sexually mature and fully grown at the age of fifteen. Orangutan males, however, appear to be totally intolerant of one another, especially the Borneo males who are even aggressive towards females and infants. In captivity, however, they have been trained to perform tricks and to use sign language. One thing that was noticed was the different ways two different groups used leaves; one for gloves the other for wiping their chins. They may be related to the terrain each subspecies inhabits. The faster call of the Sumatran may be more effective in the rugged, mountainous terrain. It only makes sense that these amazing creatures stay in the trees. Offspring pass through three stages, infancy (0-4), juvenile (4-7), and ado. They spend nearly sixty percent or more of their time foraging for food and more than 90% of their food is found in tropical canopies. The baby is completely dependent on mother for everything for nearly two years. It is also being discovered that orangutans have a culture. The orangutan has been seen making tools simple to use for scratching themselves. Male orangutans’ participation in social groups is limited to sexual “consortship” with females. Science Teacher and Lover of Essays. The tool usage can be idiosyncratic or what appears to represent cultural traditions within specific orangutan societies., The Downy Woodpecker: Habitat, Behavior, Characteristics, Wolves: Habitat, Characteristics, Behaviors, Praying Mantis: Class, Characteristics, Reproduction, The Names of Living Things: Binomial nomenclature, Reasons for Settlement of North America: Religion, Politics & Economics, Eric Walters’ Shattered: Characters & Analysis, Themes and Symbols in To Kill a Mockingbird, “On the Sidewalk, Bleeding”: Analysis & Theme, Hiro Murai’s “Guava Island”: Film Analysis, Alice Dunbar Nelson: Poet, Essayist and Activist, Impact of Globalization- Gini Coefficient, Themes in William Shakespeare’s Sonnet 19. Female Orangutans are not sexually mature or fully grown until the age of twelve and will not have their first offspring until they are at least fourteen. There is a great deal of individual variety in the orangutan. There are two main types of orangutan; the Sumatran and the Bornean and they are both from Asia. The flange in the Sumatra orangutan lie flat against the face and give a wide facial appearance especially in the mid facial region. The adult males get what’s known as flanges on the side of their face. Wild orangutans use their intelligence to solve problems usually related to arboreal living and food gathering. When she is pregnant she will be so between eight and nine and half months. A female doesn’t become sexually mature until she is 12 or older. The population continues to decline because of habitat loss, and fewer than 30,000 orangutans are thought to remain in the wild. “Each orang-utan had a distinct personality and in dealing with such highly intelligent animals in captivity, the keeper’s knowledge of the individual was probably more important than the knowledge of the overall behaviour patterns” (Markham, 1980). They have also been seen using branches to shelter themselves from the rain and sometimes drape leaves from themselves like a poncho. Wild orangutans use their intelligence to solve problems usually related to arboreal living and food gathering. Individuals can also be distinguished chromosomally, biochemically, and by their cranial characteristics. Sexually mature male orangutans are completely intolerant of one another and that can result in heavy battles. They are so well adapted to arboreal life that they cannot place their feet on the ground, instead they walk on the outside of their curved foot. Your contribution will be appreciated to improve our site. In captivity, however, they have been trained to perform tricks and to use sign language. 5 Birds Perfectly Adapted to Modern Cities. Let us do your homework! They have a hairline. There is a scattered population of orangutan in Indonesian Borneo, Malaysia Borneo and northern Sumatra. A mother and her children can form another small group. Moreover they use branches to forage for insects, gather honey and to ‘fish’ for unreachable fruit. When orangutans do meet one another they are very tolerant and aggression is rare, unless two mature males meet each other. Orangutans have the longest infant development period of all the great apes. They have such a high level of intelligence that it manifests in the use of tools within orangutan social groups. Even though they are protected by international laws, it is difficult to enforce them. These apes are very smart with a thinking process that is comparable to the rest of the ape species. The orangutan has a menstrual cycle of 29-30 days, menstruation lasting 3-4 days. The pendulous laryngeal sac, when inflated, increases the tone of the animals voice, producing “long calls”. The flanges in the Boreal male curve out ward from the face and develop around the age of eight and are not completely grown until the age of fifteen. They are pendulous laryngeal sacs from which they can make a long call to attract potential mates. Orangutans are inhabit the forests on the islands Sumatra and Borneo. ATTENTION: Please help us feed and educate children by uploading your old homework! They lead a very solitary life. Like the other great apes (chimpanzees and gorillas), orangutans are highly intelligent. A large portion of an orangutans day is spent looking for and consuming food. Article last reviewed: 2019 | St. Rosemary Institution © 2010-2020 | Creative Commons 4.0. ERRORS in the site, please contact us. However, the Sumatran males tend to stay with females for a longer period of time usually until the birth of the infant. There are several different characteristics between the two subspecies of orangutans and it has recently been suggested that they may be a separate species. Any socializing a flanged male does is usually interacting with groups to find a female to copulate with. They have such a high level of intelligence that it manifests in the use of tools within orangutan social groups. In both subspecies (Borneo and Sumatran) calling acts as ” a spacing mechanism between the males and also advertise the location of the highest ranking male to the mature females.” (Rijksen,1978).

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