- Wildlife Library
An electronic field guide to all kinds of wildlife. A program of the National Wildlife Federation.
- Texas Center for Rural Entrepeneurship
Lots of information on economic development via entrepreneurial rural and agricultural businesses.
- Texas AgriLife Extension Service; Nature Tourism Site-D
Descriptive passages referring to Texas resources.
- Texas Natural Resource Center
Descriptive references of resource site in the state.
- Texas Parks & Wildlife: Nature Tourism Section
Nature tourism opportunities across the state.
- Texas Travel Industry Association: Texas Nature To
Listing of nature tourism sites in Texas.
- The International Ecotoursim Society
Ecotourism site which promotes responsible travel to natural areas that conserve the environment and improve the well-being of the local people.
- Watchable Wildlife Inc
A national organization promoting the nature tourism industry and public private partnerships.
- Wildlife Management
Study done by Texas AgriLife Extension Service-Department of Wildlife & Fisheries Sciences.