Learn about three species facing extinction due to an alarming decline in their populations and the unique reasons for that ...

"State agencies manage most species that aren't federally endangered, and they take a lot of pride in their ability to do so.

Atlantic salmon returns were at their lowest level ever this year, say researchers, who are nevertheless refusing to give up hope that the population can rebound.

The species was officially removed from the Endangered Species List the following year. The Arizona Game and Fish Department ...

Someone once asked me “Is evolution still happening?” My brief answer was “Of course, it’s always happening.” I would have ...

Climate change is altering species distributions across the world, and this is particularly marked in the Arctic where ...

Unlike commercial macadamias, the nuts only grow to the size of a five-cent piece and cannot be eaten due to their bitter ...

Bats are one of Halloween's most famous symbols, but their real job is an important part of ecosystems and agriculture.

The population of the corncrake, one of Scotland's rarest birds, has seen a "promising" increase on the isle of Canna, the ...

Quiterio Ramírez’s voice is heavy with anguish at the other end of the phone: “When I saw the jaguar hanging there, the truth ...

The fen raft spider has a brown or black body with white or cream stripes along the sides. With a span of up to almost three inches (8cm), they are the largest of the UK’s 660 native species of spider ...

An Alberta advocacy group is pushing to save the province's wild horse population, 10 years after the government ordered a ...