A new study suggests competition between neighboring primate groups may shape differences in body size between males and females.
New study finds that large group size and mating systems where males have multiple mates drove evolution of deeper male voices in primates, including humans UNIVERSITY PARK, Pa. — Deeper male voices ...
It turns out that one of humanity’s oldest professions may be even older than we thought: In a recent study of macaque monkeys in Indonesia, researchers found that male primates “paid” for sexual ...
Monogamy : past and present / Ulrich H. Reichard -- Evolution of monogamy : mating relationships, parental care and sexual selection / Anders Pape Møller -- Mate guarding and the evolution of social ...
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