Smithsonian Magazine on MSN
Birds Make an Alarm Call That Spans Species and Continents—and May Offer Insight Into the Evolution of Human Language
More than 20 species make a nearly identical noise to warn nearby birds of brood parasites, a behavior that bridges the ...
Birds worldwide share a unique alarm call to warn each other about brood parasites like cuckoos. This vocalization, a blend ...
New Scientist on MSN
20 bird species can understand each other’s anti-cuckoo call
Several species of birds from different continents use and understand similar alarm calls when they see an invader that might ...
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