Identification
Permissions for Use

This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported License.
Date Taken
Michigan
Earthworm castings on a log. Earthworm castings are an interesting kind of scat. Earthworms dig tunnels in the ground by eating dirt. They often leave small, neat piles of smooth dirt on the ground. Though this dirt has been through their bodies, it is virtually the same as any other dirt.
Tanya Dewey (photographer, copyright holder, identification), Animal Diversity Web, University of Michigan Museum of Zoology

