If we told you there was a species of parrot in the world that can’t fly, would you believe us? We couldn’t believe it ...

Kiwi lay the largest eggs in comparison to their own size of any bird species. For comparison, an ostrich egg weighs about 2 percent of an ostrich, while a kiwi egg can weigh more than 15 percent ...

A total of 229 out of 718 bird species in the U.S. are now classified as high or moderate conservation concerns, according to the 2025 State of the Birds report, ...

NPR's Ailsa Chang talks with biologist Johannes Fritz, who's currently on a journey to teach northern bald ibises how to migrate for winter. The birds species was previously extinct in central Europe.