There once used to be up to 10,000 grizzly bears roaming California, but they eventually disappeared from the state as humans ...

bears and the Indigenous tribes who revered them were both persecuted in the past. Strychnine was often used to poison the animals. In a turn that was particularly grisly, there was actually a ...

Scientists revisited tracks made by a shorebird, a lizard, a cat-like predator and some sort of large herbivore at what is ...

Australia’s giant Protemnodon kangaroos didn’t die out everywhere at the same time. Instead, extinction proceeded one habitat ...

The bird species was previously declared extinct from its native island of ... "After many long days last year looking after these birds when they were just tiny eggs and chicks, it's so rewarding ...

Volcanic eruption from 12 million years ago preserves a snapshot of extinct animal life. Rhinos that once roamed much of ...

A once-extinct bird is laying eggs in the wild for the first time in nearly 40 years ... species became threatened when the brown tree snake was introduced to the island in the 1940s, and the last ...

Conservationists say if declining numbers are not turned around, all three species are expected to be extinct within 20 ... provided in WA Parliament last year revealed that over a period of ...

This fossil is 13 million years older than any ant fossil found before—and reveals a sophisticated predator that lived alongside the dinosaurs.