Add Yahoo as a preferred source to see more of our stories on Google. Mountain chickadees are unusual in having more complex calls than songs. Vladimir Pravosudov I approach a flock of mountain ...

Birds of different species can understand each other’s alarm calls warning of cuckoos. Brood parasites such as cuckoos lay their eggs in other birds’ nests, tricking the hosts into caring for their ...

Birds make an incredible variety of sounds, from simple chirps to complex songs, but whether they actually understand each other the way we understand language is more complicated than you’d think.

Sofia Marie Haley does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...