Created in 1995, the Grand Canyon Monitoring and Research Center (GCMRC) was created in order to measure the effects of Glen Canyon Dam operations on natural and physical resources along the Colorado River. As such, the...

This British website focuses on hedges (or hedgerows) in the United Kingdom, which are home to mammals, birds, amphibians, invertebrates, and plant life. Visitors should go to the "About Hedgelink" link to learn that...

This site is an article by Jon C. Boren, Extension Wildlife Specialist and Byron D. Wright, Agricultural Specialist both from the University of New Mexico entitled Identifying and Preserving Wildlife Tracks. It contains...

The University of Illinois at Urbana-Champaign is responsible for the Illinois Natural History Survey (INHS), whose mission is "to investigate and document the biological resources of Illinois...and to acquire and...

This site explains how a cladogram is formed and its implications. The cladogram is compared to a family tree, however unlike family trees, ancestors in cladistics ideally give rise to only two descendent species. Also...