Willacy County Nature Partners
- A nature conservation organization. Includes photographs of rural areas of the county and some of the wildlife found within.
- http://wildinwillacy.com/

Amphibians and Reptiles in Willacy County
- Texas Cooperative Wildlife Collection list of species found in the county.
- http://wfscnet.tamu.edu/tcwc/checklist/WILLA245.HTM