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 ...

Birding season has arrived, bringing with it many birds we have yet to identify. Birding apps are the solution, whether you’re hearing an unfamiliar bird call or seeing a species you haven’t ...

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 ...