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总结

多家海外媒体近日报道,一项针对非人灵长类的比较研究汇总了数十种灵长类动物中观察到的同性性行为证据,认为这种行为可能并非“异常”,而是在漫长演化过程中形成的社会策略。研究者提出,同性性行为可能通过缓和群体冲突、促进结盟与社会凝聚、降低攻击成本等方式,提高个体生存与后续繁殖机会,从而被保留下来。相关发现为理解动物社会行为与性行为多样性提供了新的进化视角。

正文

Same-Sex Sexual Behavior in Primates May Be an Ancient Survival Strategy ScienceAlert Same-sex sexual behavior observed in dozens of primate species, suggesting evolutionary origin NBC News Same-sex sexual behaviour can help primates to survive - and reproduce Nature New Study Probes How Same-Sex Behaviors Evolved in Nonhuman Primates Scientific American Scientists reveal what drives homosexual behavior in primates Phys.org
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