Birds use a universal alarm call to warn of brood parasites

timesofindia.indiatimes.com

Birds worldwide share a unique alarm call to warn about brood parasites like cuckoos. This vocalization, a blend of instinct and learned behavior, has been observed across 21 species globally. Researchers found it elicits the same alert response across continents. The discovery suggests a universal avian warning system, potentially a stepping stone in understanding animal language development.


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Birds use a universal alarm call to warn of brood parasites | News Minimalist