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Scientists have long wondered how young orangutans learn to master such complex architecture. Recent findings reveal that they acquire this skill through close observation and practice, a process called observational social learning<\/a>.<\/p>\n Orangutans build nests for survival<\/p>\n Nest-building is essential for survival. Unlike many behaviors in animals<\/a>, this skill is neither entirely instinctive nor quickly learned. <\/p>\n Orangutans must manipulate branches, twigs, and leaves with strength and dexterity while making decisions about materials and structure.<\/p>\n Night nests, far more elaborate than day nests, can include linings, pillows, blankets, and even roofs. <\/p>\n To build such structures requires both technical know-how and material knowledge, making nest-building a cognitively demanding task.<\/p>\n Young orangutans<\/a> begin showing interest in nests at just six months, playing with leaves and branches. <\/p>\n Practice of basic day nests starts around age one, but night nest practice begins only at three years and is not mastered until about the age of eight.<\/p>\n Complex additions, such as multitree nests and comfort elements, appear later. This long timeline shows that the skill is not acquired quickly but gradually, with repeated attempts and guided observation.<\/p>\n Learning from mom<\/p>\n Researchers documented that immatures who carefully peered at their mothers during nest-building were far more likely to practice soon afterward. <\/p>\n Merely being nearby without watching closely did not have the same effect. This highlights the importance of selective attention in learning.<\/p>\n \u201cNest-building is critical to survival<\/a> in orangutans but is surprisingly not the focus of a lot of research,\u201d noted Dr. Ani Permana from the University of Warwick<\/a>. <\/p>\n \u201cWe previously reported that it takes multiple years for immature orangutans to learn to nest-build but, based on 17 years of observational data, this paper shows that this learning process is highly dependent on young animals carefully watching the nest-building of others.\u201d<\/p>\n Orangutan nests are complex<\/p>\n The study also showed that young orangutans pay special attention to complex features like multitree nests, twig manipulations, and comfort elements. <\/p>\n These require memorizing multiple steps and sequences. After observing these, immatures increased their practice, suggesting they were specifically learning the more challenging parts. <\/p>\n Simpler nests, such as single-tree day nests, did not trigger the same level of focused observation.<\/p>\n \u201cOrangutan nest-building tendency may have some innate basis, but the details and method must be socially learned, starting from a very young age, by watching and practicing, learning from mistakes as they grow and this paper is the first time this has been shown in wild apes,\u201d Dr. Permana added.<\/p>\n At first, immatures mostly learn from their mothers, but as they grow older, they begin peering at other group members, thereby expanding their knowledge base.<\/p>\n Learning what to use<\/p>\n Beyond construction skills, orangutans also learn what materials to use. <\/p>\n \u201cAside from learning \u2018how to\u2019 build a nest, immature orangutans also appear to learn the \u2018know-what\u2019 of which materials to use,\u201d noted Dr. Caroline Schuppli, Max Planck Institute of Animal Behavior<\/a>.<\/p>\n The choice of tree species is important, and infants \u2013 who primarily peer at their mothers \u2013 are more likely to select the same species their mothers use.<\/p>\n \u201cJust like human teenagers finding their own path, maturing orangutans increasingly peer at the nest-building of others and begin experimenting with the tree species those individuals use,\u201d Dr. Schuppli continued.<\/p>\n Returning to roots<\/p>\n Interestingly, adults often revert to using the tree species favored by their mothers, even after experimenting with alternatives in youth.<\/p>\n \u201cUltimately, adult orangutans tend to revert to the nest materials used by their mothers, perhaps recognizing that the most effective methods had already been established,\u201d Dr. Schuppli noted. <\/p>\n \u201cThis consistent variation in nest materials across generations indicates that wild orangutan populations possess cultural elements that could be lost without the conservation of the species and their habitats,\u201d <\/p>\n Orangutans learn and pass on traditions<\/p>\n The study emphasized four main points: peering, not just proximity, drives learning; immatures focus on complex multi-step elements; role models expand with age; and knowledge of tree species is socially transmitted.<\/p>\n These findings suggest orangutans display cultural variation, with nest-building traditions passed through generations.<\/p>\n Nest-building<\/a> is an evolutionarily ancient behavior shared by great apes. <\/p>\n By proving that orangutans acquire this skill through observational social learning, the study suggests that such cultural learning has deep roots in primate history.<\/p>\n It highlights not just the intelligence of orangutans but also their fragile cultural heritage \u2013 one that can only continue if their forest homes are preserved.<\/p>\n The study is published in the journal Communications Biology<\/a>.<\/p>\n \u2014\u2013<\/p>\n Like what you read? Subscribe to our newsletter<\/a> for engaging articles, exclusive content, and the latest updates.\u00a0<\/p>\n Check us out on EarthSnap<\/a>, a free app brought to you by Eric Ralls<\/a> and Earth.com.<\/p>\n \u2014\u2013<\/p>\n","protected":false},"excerpt":{"rendered":"As night falls in the rainforests, orangutans climb into the canopy to construct intricate tree nests, displaying remarkable…\n","protected":false},"author":2,"featured_media":110074,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[49,48,66,323],"class_list":{"0":"post-110073","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-wildlife","8":"tag-ca","9":"tag-canada","10":"tag-science","11":"tag-wildlife"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts\/110073","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/comments?post=110073"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts\/110073\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/media\/110074"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/media?parent=110073"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/categories?post=110073"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/tags?post=110073"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}