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April 26, 2016 — The tiny, threatened bird is an omen for how devastating ocean acidification can be.

April 26, 2016 — Known for his famous watercolors, Audubon also had a penchant for pranking friends and possibly even making up birds.

April 26, 2016 — Shocker: They aren't hummingbirds.

April 26, 2016 — Is this heiress the ultimate fan or the ultimate hater?

April 26, 2016 — After stumbling upon ideal Ivory-bill habitat, the birds' silence weighs heavily on the group.

April 25, 2016 — There's no better time than the present to take the plunge—or at least dip your toes in.

April 25, 2016 — The team hikes deeper—and higher—into the woods and meets a Cuban Pygmy Owl along the way.

April 25, 2016 — The world's top feather detective, the strange case of Seahorse Key's missing bird colony, the battle for Yasuni National Park, and more.

April 25, 2016 — More than 170 nations signed the historic Paris Agreement on Friday—an important step toward putting the treaty into effect.

April 22, 2016 — Raptor populations have been on the rise since DDT was banned in the ‘70s—except for the American Kestrel.