Rapid Evolution of the Primate Larynx?
Abstract Summary:
This study presents a novel database of digitally modeled scanned larynges from 55 different mammalian species, representing a wide range of body sizes in the primate and carnivoran orders. Phylogenetic comparative methods are used to demonstrate that the morphology of the primate and carnivoran larynx is closely linked to their highly developed vocal communication systems. The results show that there have been rapid evolutionary changes in the laryngeal morphology of these species, with some populations exhibiting significant morphological adaptations to enhance vocalization.
Technical Context
The study utilizes a phylogenetic comparative method to analyze the laryngeal morphology of 55 mammalian species, including primates and carnivores. The digitally modeled scanned larynges are used as a proxy for the laryngeal structure, allowing researchers to infer evolutionary relationships between these species. This approach enables the identification of key morphological features that have driven the evolution of vocal communication systems in mammals.
Source & Citation:
https://doi.org/10.1371/journal.pbio.3000764