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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