A century ago, the American prairies echoed with the silent footsteps of a small, elusive predator: the black-footed ferret.

The playful North American river otter is equally at home in the water and on land. It makes its home in a burrow near the water's edge, and can thrive in river, lake, swamp, or estuary ecosystems.

In 1938, zoologist Ellis Le Geyt Troughton mourned that Australia's "gentle and specialized creatures" were "unable to cope ...

Mathieu Boisville (University of Tsukuba, Japan), has uncovered a new species of the extinct genus Ontocetus from the Lower Pleistocene deposits in the North ... by the Central American Seaway ...

Steward / Science Photo Library Among all the birds and mammals that ... about this vanished American bird could keep its endangered tropical cousins aloft. Most extinct species are in fact ...

In this exhibit, you can explore the history of horses in the American ... wild horses went extinct about 10,000 years ago, possibly due to a combination of climate change and human hunting. In the ...