Sea urchins climb onto kelp when their densities are so high they remove all drift kelp and then actively forage on attached, living kelp. (Credit: Steve Lonhart / NOAA MBNMS) Tipping points are the ...

A new study has uncovered evidence of far-reaching ecosystem consequences following the disappearance of Great white sharks (Carcharodon carcharias) from False Bay, South Africa. The research spans ...

For decades, ecologists have puzzled over a mystery: Why do some natural habitats get overrun by invasive species while others seem to repel outside threats? In a classic 1958 book on the subject, the ...

Elephants are vital to ecosystems. Learn interesting facts and how WWF works to protect them across Africa and Asia.

England officials promised to reintroduce Eurasian beavers to the country. However, after a successful starter release in Dorset in March, reintroduction efforts have suddenly stalled. Despite 40 ...