More than 20 species of bird around the world use a similar “whining” alarm call to warn birds like cuckoos are around. The call seems to be understood across species, and its specific use hints at ...

Charles Darwin suggested in 1871 that spoken language originated with instinctive sounds, like squeals or yells, which humans then learned to imitate and modify for specific purposes. Now, scientists ...

I approach a flock of mountain chickadees feasting on pine nuts. A cacophony of sounds, coming from the many different bird species that rely on the Sierra Nevada’s diverse pine cone crop, fill the ...