This is a significant moment for the species.
A bird that has been extinct in the wild for nearly 40 years was born at Pittsburgh's National Aviary.
Snakes are often misunderstood, but they are a crucial part of healthy ecosystems.
A once-extinct marsupial has been released in Australia following a breeding programme designed to ensure its survival. The eastern barred bandicoot was declared extinct in the wild in 1991 after ...
True extinction is final, a point of no return where a species disappears forever. And sadly, species go extinct all the time. But in some rare cases, animals believed to be lost for good have ...
Two sihek chicks hatched in April at the National Zoo's conservation campus in Virginia.