Other
Nature Canada: Connect With Nature: Worm Watch
WormWatch is a Canadian program that uses volunteers to observe changes in the earthworms in their environments, and submit their observations. Monitoring earthworms provides valuable information about the health of local soils so that...
University of California
Earthworm Information
A very detailed look at how earthworms affect the world around them. It also has a section which explains how earthworms deal with certain scenarios and materials like fertilizers. Lastly, physical descriptions are given to help one...
BBC
Bbc: Nature Wildfacts: Common Earthworm
Before you go looking for an earthworm, learn more about it from this detailed fact sheet and from these close-up photos.
Other
Earthworm Behaviour and Habitat
This resource focuses on where different species of earthworm like to live.
Saint Louis Zoo
Saint Louis Zoo: Earthworms
Discover basic facts about the earthworm, also known as the nightcrawler.