Co-option of ancestral signal elements in the evolution of a cooperative parental behavior
J. B. Moss, J. P. Tumulty, E. K. Fischer
The paper characterizes egg feeding calls in Ranitomeya imitator and compares them to advertisement and courtship calls, finding shared and unique properties that suggest signal recombination in parental communication.
bioRxiv · Oct 10, 2022 · PreprintAnimal Behavior & Cognition