Amphibians and Reptiles in Bell County: Texas Cooperative Wildlife Collection list of species found in the county.
Butterflies of Bell County, Texas: Information about and pictures of all the known species of butterflies in the county.
Centex Naturalist: Photos and information about animal life, botany, and geology. Includes science curriculum resources.
Clearwater Underground Water Conservation District: Responsible for management of groundwater in Bell County. Includes aquifer data, board members and meetings, and regulations.