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Sexual selection and the loss of laryngeal air sacs during the evolution of speech
2018
Anthropological Science
One noteworthy, but unexplained, aspect of the evolution of human speech is the loss of laryngeal air sacs during hominin evolution. Very little is known about the adaptive significance of this curious trait, or the selection pressures that may have driven the evolution of air sacs among primates, and their later loss in Homo. Here, I review the literature on the loss of laryngeal air sacs during the evolution of speech, and argue that sexual selection may have been a key factor. Although air
doi:10.1537/ase.180309
fatcat:nd7c5n4yubc5jf7hui67qzg7km