The heath hen once fluttered across the eastern U.S. in huge numbers. By the late 1800s, however, it had retreated to Martha’s Vineyard, its last refuge. A combination of habitat loss, hunting, and ...

Sloths have changed quite a bit in the last ten thousand years. The slow-moving, sleepy, leaf-eating creature we see hanging ...

Every third Friday of May is Endangered Species Day. More than 900 known species are already extinct to date, while at least ...

Explore the haunting and fascinating footage of five extinct animals that vanished in recent history but were luckily captured on film. From the Yangtze River’s critically endangered Baiji dolphin, ...

A vanishing species of whale gave birth to few babies this birthing season, raising alarms among scientists and ...

The Indian grey wolf is classified as endangered by the International Union for Conservation of Nature (IUCN) and listed ...

Washington state was among the first to significantly invest in non-game conservation through state tax revenue, with ...

In their letter, the Democrats argue that the administration’s reading of the statute presents an “end run around” of the ESA ...

Australia has a remarkable reputation as a place where animals believed to be extinct – sometimes for more than a century – have been rediscovered.