チンパンジーも似た者同士で仲良くするよという2014年の研究。接触頻度が高い間柄では,血縁でも非血縁でも「社会性」の類似度が,非血縁では「大胆さ」と「毛づくろいの公平さ」の類似度が高い。/ Chimps of a feather sit together: chimpanzee friendships are based on… https://t.co/hcYLCkUsPC
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RT @InaShareWorld: Humans pick and choose are friends... well so do chimps #39canimals Chimps of a feather sit together: chimpanzee frien…
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Humans pick and choose are friends... well so do chimps #39canimals Chimps of a feather sit together: chimpanzee friendships are based on ... https://t.co/e2bQzZCHdf
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“Several recent studies show that animal friendships, like human friendships, are durable and have fitness benefits by increasing survival, infant survival, or reproductive success.” https://t.co/vbZ2KvNC7Q