Acoustic communication

Does vocal learning accelerate acoustic diversification? Evolution of contact calls in Neotropical parrots
Learning has been traditionally thought to accelerate the evolutionary change of behavioural traits. We evaluated the evolutionary rate …
A. Medina-García, Marcelo Araya-Salas, T. F. Wright
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How acoustic signals scale with individual body size: common trends across diverse taxa
We use allometric analysis to explore how acoustic signals scale on individual body size and to test hypotheses about the factors …
R. L. Rodriguez, Marcelo Araya-Salas, D. a. Gray, M. S. Reichert, L. B. Symes, M. R. Wilkins, R. J. Safran, G. Hobel
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Open-ended song learning in a hummingbird
Vocal learning in birds is typically restricted to a sensitive period early in life, with the few exceptions reported in songbirds and …
Marcelo Araya-Salas, T. Wright
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Collared Forest-Falcon (Micrastur semitorquatus) Preying on Chestnut-mandibled Toucan (Ramphastos swainsonii) in Costa Rica
Predator-prey interactions occur regularly in nature; however, predation events are difficult to observe in the canopy of tropical rain …
J. Edgardo Arévalo, Marcelo Araya-Salas
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