Until recently most paleontologists would not have put pterosaurs in the same league as birds in terms of flying ability ... sites around the world look like prehistoric roadkill.

Before there were birds pterosaurs ruled the skies, soaring above the dinosaurs below. But only recently has the secret of ...

Imagine a flying squirrel hybridized with a lizard. All known members of this animal group order went extinct 66 million ...

The passenger pigeon was once the most numerous bird in the world, but in just half a century, it had gone extinct.

I write about the world of biology. South Island takahe—a prehistoric-looking flightless bird endemic to New Zealand's rugged ... [+] landscapes—have become a shining beacon of conservation ...

Fossilized remains from a giant flying reptile the size of a bus have ... to use their wings to hunt prey - flying through Earth's prehistoric skies before the evolution of birds.

(Illustration by Mark Witton) (CN) — From humble beginnings, the pterosaurs, the first flying ... bird flight to illustrate how pterosaurs became highly efficient flyers over their 150-million-year ...

It is the heaviest flying bird in India, and lives in the grasslands of Rajasthan and Gujarat. There are fewer than 150 of them now. It lost out to the peacock as the national bird because of its name ...

The sihek is native to Guam and had been extinct in the wild since 1988 ... "It’s wonderful knowing that the birds are finally flying in Palmyra Atoll and making history as the first sihek ...