Globally, BirdLife International estimates that 12 percent of known 9,865 bird species are now considered threatened, with 192 species, or 2 percent, facing an “extremely high risk” of extinction in .

researchers found 3,793 individual animals belonging to 419 different species, 52 of which are threatened with extinction. Nine of the exotic species they found, including endangered slow lorises ...

Well, neither has anyone else alive today: the flightless bird has been extinct for about 700 years ... is the first step in bringing those species back to life. Or at least, scientists' closest ...

We may earn a commission from links on this page. New animals and plants are being lost to extinction every year—more than 160 species disappeared just in the past decade. Many more are ...

The typical rate of extinction differs for different groups of organisms. Mammals, for instance, have an average species "lifespan" from origination to extinction of about 1 million years ...

It turns out, though, that Horton should have been worried about himself, too: According to new research on island-dwelling species, the tiniest and largest are most threatened with extinction.

An estimated quarter of all species on Earth are at risk of being lost, many within decades. What can scientists possibly do to stop that trend? For some, the answer is to “de-extinct.” ...

We live in an age of mass extinction, with biological extinctions predominantly caused by various human actions. However, in tandem with this process, and sometimes in advance of it, the loss of ...

For species classified as "extinct in the wild", the zoos and botanical gardens where their fates hang by a thread are as often anterooms to oblivion as gateways to recovery, new research has shown.