The slaty-masked tinamou, found in Brazil, is utterly unafraid of people. That could be its undoing, ornithologists worry.

No other animal is as inexorably linked with extinction as the dodo, an odd-looking flightless bird that lived on the island of Mauritius in the Indian Ocean until the late 17th century. The arrival ...

Colossal Biosciences, a Texas-based science company, announced on Wednesday that it is working to bring back the dodo bird from extinction using genetic engineering. The dodo bird, which has been ...

“Terror birds” were giant, flightless, meat-eating creatures that roamed what is now South America for millions of years. As their threatening name suggests ...

Standing around 10 feet tall, weighing around 220 pounds and with an axe-like beak capable of delivering devastating strikes, the terror bird would have proved a ...

Climate change and habitat loss could cause dozens of breeds to disappear forever within the next century, according to the University of Reading study. The findings, published in the journal Nature ...