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 ...

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 ...

Scientists estimate that during the last century between 20,000 and two million species have become extinct. However, the observed rate of extinction has accelerated dramatically in the last 50 ...

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 ...

Over a third of species and ecosystems in the United States are at risk of disappearing, including hundreds of plants and animals in Washington. In a newly released report, conservation research ...

More than a third of animal and plant species in the U.S. could go extinct while more than 40% of ecosystems are at risk of collapse, a new report from a conservation group has found. The report ...

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.

Paris (AFP) – 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 ...