“I’m… so… tired.” One September morning, you’ll hear those three plaintive, descending notes emerge from the edge of the yard, a new sound in this quiet ...

I’m not a bird watcher, but I’ve become a bird listener ever since downloading a bionic ear app to my phone. It lets me enter a different world, one where I’m surrounded not just by chirping but by ...

Birds make an incredible variety of sounds, from simple chirps to complex songs, but whether they actually understand each ...

Researchers conducted a global study of the factors that influence bird sounds, using more than 100,000 audio recordings from around the world. Birds make sounds to communicate, whether to find a ...