With the use of autonomous recording units, or ARUs, scientists can listen to bird frequencies to understand their behaviors.

Ambitious projects aim to put dire wolves, woolly mammoths and passenger pigeons back into our ecosystems. But with so many ...

In the icy tundra of Siberia, people speak in tightly wound sounds with consonants packed like frozen gravel. A few thousand ...

The serval, with its long legs and impressive speed, is one of Africa’s most skilled and daring hunters. Known for its ...