Back and Forward Buttons . Most browsers support the ability to follow your path forward and backward from where you are. Keep in mind, however, that it can be frustrating to deal with the anchor feature used in many of the pages on this site. Because of this you may find it more useful in some cases to use the links found in the footer. Resource Categories .
Some resources are difficult to categorize.
Each resource has also been assigned to a taxonomic and geographic category. Once again, some resources are difficult to categorize or may fall into more than one category. Use this feature if you are interested in a particular species or geographic area.