Researchers have discovered a way to track mammals in the jungles of Southeast Asia. Scientists collected leeches from the jungles to analyze the blood and DNA of animals taken by the parasites.

A recent decline in ovenbirds (Seiurus aurocapilla), a ground-nesting migratory songbird, in forests in the northern Midwest United States is being linked by scientists to a seemingly unlikely culprit: earthworms.

A museum in London is seeking the public's advice in naming a new species of sea-dwelling worm.

Non-native earthworms are damaging hardwood forests.

It is widely acknowledged that human beings are largely responsible for the widespread alteration of ecosystems on the planet.