Discover the top 10 largest flying birds, ranked by wingspan and weight. Learn about their habitats, flight styles, and ...

The show, narrated by Tom Hanks, offers glimpses of critters large and small. And capturing that footage is no small feat.

An endangered crow, found only in Hawaii, is flying free again. The alala has survived only in captivity after almost going ...

Purnima Devi Barman and her community have worked to more than quadruple a population of storks in Assam, India.

Award-winning biologist Fernanda Abra’s Reconecta Project is building canopy bridges across highways in Brazil to protect ...

Does a duck always look like a duck and quack like a duck? Sixty-six million years ago, at the end of the Cretaceous Period, ...

First banded in 1956, the Laysan albatross has become a mother once again at Midway Atoll National Wildlife Refuge ...

Audubon scientists developed a new framework to understand threats to migratory species and found that birds traversing the ...

Some birds are so massive they defy belief, dominating the skies with wingspans that stretch beyond imagination. One soars ...

With so much H5N1 circulating in the U.S., scientists worry we are a few mutations away from a potential human pandemic.