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Nest-building in primates : ウィキペディア英語版 | Nest-building in primates Nest-building in primates refers to the behaviour of building nests by extant strepsirrhines (lemurs and lorisoids) and hominid apes (gorillas, chimpanzees, orangutans, and humans). Strepsirrhines build nests for both sleeping and also for raising families. Hominid apes build nests for sleeping at night, and in some species, for sleeping during the day. Nest-building by hominid apes is learned by infants watching the mother and others in the group - it is considered to be tool use rather than animal architecture. Old World monkeys and New World monkeys do not nest. It has been speculated that a major evolutionary advance in the cognitive abilities of hominoids may first have occurred due to the development of nest-building behaviour and that the transition from nest-building to ground-sleeping led to "modifications in the quality and quantity of hominid sleep, which in turn may have enhanced waking survival skills through priming, promoted creativity and innovation, and aided the consolidation of procedural memories". ==In strepsirrhines==
Strepsirrhines may be nocturnal, diurnal, or crepuscular. Some may either occupy holes in trees or build nests.〔 Unlike the hominid apes, strepsirrhines build nests by instinct and use them for breeding purposes.〔 Strepsirrhines mothers either carry their young on their bodies, conceal their young in foliage while they venture out to feed, returning periodically to feed and groom them, or leave them in a nest built for that purpose.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Nest-building in primates」の詳細全文を読む
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