Mechanisms of convergent egg provisioning in poison frogs

Eva K. Fischer, Alexandre B. Roland, Nora A. Moskowitz, Charles Vidoudez, Ndimbintsoa Ranaivorazo, Elicio E. Tapia, Sunia A. Trauger, Miguel Vences, Luis A. Coloma & Lauren A. O'Connell
Parental provisioning of offspring with physiological products (nursing) occurs in many animals, yet little is known about the neuroendocrine basis of nursing in non-mammalian species. Within amphibians, maternal provisioning has evolved multiple times, with mothers of some species feeding unfertilized eggs to their developing offspring until tadpoles complete metamorphosis. We conducted field studies in Ecuador and Madagascar to ask whether convergence at the behavioral level provides similar benefits to offspring and relies on shared neural...
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