A bird once declared extinct in the wild has just laid eggs in Hawaii. The sihek vanished by the 1980s after the accidental ...

Picture this: the next time you see a sparrow hopping along a sidewalk or a hawk soaring across a blue sky, you’re witnessing ...

A shared shape rule, the power cascade, governs most bird beak growth. It links modern birds with extinct dinosaurs.

These stories remind us that nature can sometimes surprise us. Resident discovers bird feared to be extinct at historic site: ...

Knife-toothed reptiles called sebecids went extinct on the mainland 10 million years ago. New fossil evidence puts them on an island 4 million years ago.

Imagine a crocodile built like a greyhound—that's a sebecid. Standing tall, with some species reaching 20 feet in length, ...

The journey to recovery was long, complex, and in some ways unprecedented, but has achieved an unthinkable success of ...

Once-Extinct Bird Is Now Laying Eggs in the Wild for the First Time in Nearly 40 Years Unlike humans, who auditorily communicate with their mouths and vocal cords, dolphins' vocalizations come ...

Despite being flightless, the ostriches of Africa have distant relations in Australia, New Zealand, and South America. All part of a group called the ratites, these birds share some common ...

They see efforts to bring back long-extinct species as costly wastes of ... a non-profit organisation that aims to conserve birds of prey around the world. Modern conservationists recognise ...

From the floodplain forests of the upper Mississippi River to the long coast of Lake Michigan, Wisconsin is rich in wetlands. Here's how to see them.