As more and more "historical" checklists are added to the platform, birds we've lost now mingle with those still hanging on.

"Few birds are as likely to start as many arguments among paleontologists as 'vegavis,'" said professor Christopher Torres.

Discover the remarkable bird fossil from Antarctica that is rewriting the story of bird evolution. Learn how this 69-million-year-old bird challenges previous theories.

More young birder groups are popping up across the country, for teens and tweens that enjoy getting outdoors together to gawk at wildlife.

To many people, all ducks look alike. After all, they share the same features, from the plumage to the bill. For animal ...