Birds all over the world use the same sound to warn of threats

By William Feeney, Research fellow, Environmental Futures Research Institute, Griffith University; Estación Biológica de Doñana (EBD-CSIC)
James Kennerley, Postdoctoral Fellow, Cornell Lab of Ornithology, Cornell University
Niki Teunissen, Postdoctoral research fellow, Monash University

Language enables us to connect with each other and coordinate to achieve incredible feats. Our ability to communicate abstract concepts is often seen as a defining feature of our species, and one that separates us from the rest of life on Earth.

This is because while the ability to pair an arbitrary sound with a specific meaning is widespread in human language, it is rarely seen in other animal communication systems. Several recent studies have shown that birds, chimpanzees,…

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