Primate Behavior and Ecology

Primates are among the most socially complex animals on Earth, and understanding how their behavior, cognition, and group dynamics evolved offers a window into the origins of human psychology. Researchers study how species ranging from capuchins to chimpanzees develop social bonds, use tools, communicate, and act altruistically — asking whether these capacities arise from shared ancestry, ecological pressures, or the cognitive demands of navigating large social groups. A central open question is what drives variation in brain size and intelligence across species: is it the challenge of managing relationships and coalitions, solving environmental problems, or some combination of both? Active work is also probing the roots of empathy and cooperation, examining how much of what looks like altruism in primates reflects genuine concern for others versus strategies shaped by reciprocity and self-interest.

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102,037

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1,761,714

Keywords

PrimatesSocial BehaviorEvolutionIntelligenceAltruismCognition