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 speak a common 'secret' language in different parts of the world to warn about danger

Birds worldwide share a unique alarm call to warn each other about brood parasites like cuckoos. This vocalization, a blend ...