Data from: The return to water in ancestral Xenopus was accompanied by a novel mechanism for producing and shaping vocal signals

Ursula Kwong-Brown, Martha L. Tobias, Damian O. Elias, Ian C. Hall, Coen P.H. Elemans, Darcy B. Kelley & Coen PH Elemans
Listeners locate potential mates using species-specific vocal signals. As tetrapods transitioned from water to land, lungs replaced gills, allowing expiration to drive sound production. Some frogs then returned to water. Here we explore how air-driven sound production changed upon re-entry to preserve essential acoustic information on species identity in the secondarily aquatic frog genus Xenopus. We filmed movements of cartilage and muscles during evoked sound production in isolated larynges. Results refute the current theory for...
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These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
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