The bald eagle officially became the U.S. national bird after a Christmas Eve proclamation signed by President Joe Biden only weeks before he left office. But Arizona and all states in the union ...

Birds don't just sing for beauty, their voices carry messages, warnings, and even regional dialects that reveal a hidden ...

Headphones icon This story is best experienced with audio. Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. Birdsong can ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The planet’s birds make a lot of different sounds communicating a ...