Butterflies of Cameron County, Texas - Information about and pictures of all the known species of butterflies in the county. - http://www.butterfliesandmoths.org/map?dc=5909&_dcc=1&si=44
Handbook of Texas Online : Cameron County - Current and historical information about Cameron County. - http://www.tsha.utexas.edu/handbook/online/articles/CC/hcc4.html
Cameron County Park System - A series of public parks located in Cameron County, South Texas, including three on South Padre Island and one in the Laguna Atascosa Wildlife Refuge. - http://www.co.cameron.tx.us/parks/parks.html
Amphibians and Reptiles in Cameron County - Texas Cooperative Wildlife Collection list of species found in the county. - http://wfscnet.tamu.edu/tcwc/checklist/CAMER031.HTM
Rio Grande Valley, Texas - Cameron County - A general information site for the Rio Grande Valley Texas, sponsored by Technidata. - http://www.technidata.com/riogrand.htm