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 ...

Arizona’s desert birds are in decline, according to a national conservation report tracking long-term bird populations, prompting one conservation group to ask the federal government to take action on ...

Birds don't just sing for beauty, their voices carry messages, warnings, and even regional dialects that reveal a hidden world of communication. Bird sounds offer insight into how intelligent and ...