Menu Close

Articles on Extinction

Displaying 141 - 160 of 325 articles

The now-extinct giant beaver once lived from Florida to Alaska. It weighed as much as 100 kilograms, roughly the same as a small black bear. Illustrated by Luke Dickey/Western University

Why giant human-sized beavers died out 10,000 years ago

Scientists studied the fossilized bones of giant beavers to understand what they ate and whether the species could keep up with environmental change.
The Mossy Red-eyed Frog is among hundreds of species threatened with extinction at the hands of chytrid fungus. Jonathan Kolby/Honduras Amphibian Rescue and Conservation Center

Deadly frog fungus has wiped out 90 species and threatens hundreds more

Chytrid fungus has caused declines in 501 amphibian species, according to a new analysis. Most of the damage happened in the 1980s, before the fungus itself was even discovered.

Top contributors

More