If you live in North America, you might have enjoyed the bright songs of black-capped chickadees or red-breasted nuthatches on your street. But you might not have known that those songs have lyrics.

The red-breasted nuthatch eavesdrops on chickadee conversations to get advanced notice of predators like pygmy owls. Cephas via Wikimedia Commons under CC BY-SA 3.0 Black-capped chickadees have a ...

Chickadees are friendly and adorable birds. Check out super cute chickadee pictures captured by backyard birders across ...

Like human code-breakers intercepting secret messages, red-breasted nuthatches have evolved ways to extract hidden information about threats from predators from the seemingly indistinguishable alarm ...