Butterflies of Frio County, Texas - Information about and pictures of all the known species of butterflies in the county. - http://www.butterfliesandmoths.org/map?dc=5863&_dcc=1&si=44
Amphibians and Reptiles in Frio County - Texas Cooperative Wildlife Collection list of species found in the county. - http://wfscnet.tamu.edu/tcwc/checklist/FRIO082.HTM