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

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

Willow tit birds were categorized as "locally extinct" in their native habitats of Southern and Eastern Britain. However, a ...

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, they dominated South American landscapes after the extinction of dinosaurs ...

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

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

A brightly colored bird that has been extinct in the wild for almost 40 years has been introduced on a new island in the ...

A once-extinct bird has laid eggs in the wild for the first time in nearly 40 years. After returning to the wild in 2024, the ...

The sihek bird, once extinct in the wild, laid its first eggs after being reintroduced to Palmyra Atoll in a conservation milestone.

The Guam kingfisher is no longer found in Guam, but thanks to the help of a handful of zoos, including Cincinnati's, there's ...

The brightly colored birds are extinct in the wild, having disappeared from their native Guam in 1988 due to the introduction ...