Title
Common evolutionary origin of acoustic communication in choanate vertebrates
Author(s)
Jorgewich-Cohen, Gabriel; Townsend, Simon William; Padovese, Linilson Rodrigues; Klein, Nicole; Praschag, Peter; Ferrara, Camila R.; Ettmar, Stephan; Menezes, Sabrina; Varani, Arthur Pinatti; Serano, Jaren; Sánchez-Villagra, Marcelo R.
Published
2022
Publisher
Nature Communications
Abstract
Acoustic communication, broadly distributed along the vertebrate phylogeny, plays a fundamental role in parental care, mate attraction and various other behaviours. Despite its importance, comparatively less is known about the evolutionary roots of acoustic communication. Phylogenetic comparative analyses can provide insights into the deep time evolutionary origin of acoustic communication, but they are often plagued by missing data from key species. Here we present evidence for 53 species of four major clades (turtles, tuatara, caecilian and lungfish) in the form of vocal recordings and contextual behavioural information accompanying sound production. This and a broad literature-based dataset evidence acoustic abilities in several groups previously considered non-vocal. Critically, phylogenetic analyses encompassing 1800 species of choanate vertebrates reconstructs acoustic communication as a homologous trait, and suggests that it is at least as old as the last common ancestor of all choanate vertebrates, that lived approx. 407 million years before present.
Keywords
Acoustics; Animal behaviour; Evolution; Phylogeny

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PUB35822