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Fission–fusion society
In ethology, a fission–fusion society is one in which the size and composition of the social group change as time passes and animals move throughout the environment; animals merge (fusion)—e.g. sleeping in one place—or split (fission)—e.g. foraging in small groups during the day. For species that live in fission–fusion societies, group composition is a dynamic property.
==Species in fission–fusion societies==
This form of social organization occurs in several species of primates (e.g. common chimpanzees and bonobos, hamadryas baboons, geladas, orangutans, spider monkeys, and humans), African elephants, most carnivores including the spotted hyena, African lion, and cetaceans such as bottlenose dolphins, ungulates such as deer, and fish such as guppies.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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