With all the water, coastal prairies, and marshes, Calhoun County is a favorite place for birders and photography with more than 400 different species of birds. Calhoun County includes a number of sites that are on the Tres Palacios Loop and the Calhoun Loop of the Great Texas Coastal Birding Trail
Calhoun County Texas Shoreline Access Plan Geologic History, Physical Processes, Habitat Document Calhoun County Texas Shoreline Access Plan Appendix B Geologic History, Physical Processes, Habitat Inventories, and Environmental Recommendations