“I took a hundred pictures of it,” remembers Nogales-Ascarrunz. “I was so fascinated.” ...

Relentlessly hunted for its scales, the mysterious armored pangolin is vanishing throughout Africa. Now scientists are trying to unlock the secrets that could help save it.

The adorable new feline discovery is part of a group called tiger cats found across much of South America. It was found in ...

Found in Bolivia, the animal is smaller than the average housecat, and now enters the scientific record as the tilcayo.

Scientists have discovered a new species of wild cat for the first time in more than a century, a Bolivian researcher says.

It’s the only known individual of the species living in captivity. Credit…Fernando Faciole/National Geographic For years, ...

Researchers have identified Leopardus tilcayo, a previously unknown species of tiny wild cat, in Bolivia’s cloud forests, ...

The Tilcayo, discovered in Bolivia, is the first new cat species to be discovered in more than 100 years ...

A diminutive wild cat that inhabits Bolivia's cloud forest has been identified as a previously unknown species, marking the first time a new living cat species has been formally named and described in ...

Discovered in a cloud forest in Brazil, the diminutive felines are smaller than a house cat and covered in large, irregularly shaped rosettes ...

Ecosystem Engineers and the Era of OverhuntingThe American beaver (Castor canadensis), which lives in the rivers and lakes of North America, is one of the largest rodents on the continent, reaching ...

A small, spotted cat at a Bolivian wildlife sanctuary has turned out to belong to a previously unknown species.