Biological Survey of Texas
- Ongoing survey of the fauna of Texas.
- http://www.nsrl.ttu.edu/about/CurrentProjects/Texassurvey.html

Texas Parks and Wildlife Department: Private Lands Management
- Information for individuals who are interested in managing natural resources on their property.
- http://www.tpwd.state.tx.us/landwater/land/private/

Texas Wildlife Damage Management Service
- Manages the negative impacts of wildlife. Includes links to publications and overview of programs such as rabies control
- http://wls.tamu.edu/

Texas Hummingbird Roundup
- Includes identifying hummingbirds, the state backyard survey, and other resources.
- http://www.tpwd.state.tx.us/learning/texas_nature_trackers/hummingbird_roundup/

Texas Horned Lizard Watch
- Information about the program and horned lizard resources.
- http://www.tpwd.state.tx.us/learning/texas_nature_trackers/horned_lizard/

Texas Monarch Watch
- Web version of a brochure highlighting migration, life cycle, and other monarch butterfly information.
- http://www.tpwd.state.tx.us/learning/texas_nature_trackers/monarch/

Migratory Wildlife and Wetland Ecology
- About Texas Parks and Wildlife habitat management activities.
- http://www.tpwd.state.tx.us/landwater/water/habitats/wetland/ecology/

Texas Natural History Collections
- Located at the Texas Memorial Museum in Austin. Includes databases, collections, events, and exhibits.
- http://www.utexas.edu/tmm/tnhc/

Texas Cooperative Wildlife Collection
- Images and databases of reptiles, mammals, fish, and marine invertebrates.
- http://wfscnet.tamu.edu/tcwc/tcwc.htm

Texas Entomology
- Mike Quinn's site with extensive links to general entomology and Lepidoptera-specific resources.
- http://www.texasento.net/

Texas A&M Fisheries and Aquaculture
- Large collection of online publications (PDF files) for aquaculturists and consumers, covering the biology, rearing, and utilization of fish and other aquatic animals.
- http://tcebookstore.org/pubbrowse.cfm?catid=4

The Texas Wildlife Association
- Formed in 1985 by a group of ranchers and wildlife managers dedicated to the conservation, management, and enhancement of wildlife and habitat on private lands.
- http://www.texas-wildlife.org/

Wild Texas: Wildlife Guide
- Brief accounts of mammal, reptile, and bird species commonly observed in Texas.
- http://wildtexas.com/wildguides/

Texas Marine Mammal Stranding Network
- Rescues and rehabilitates marine mammals that strand along the State's coast. Provides information on research, education, mammal rescue, rehabilitation, and release.
- http://www.tmmsn.org/

Texas Gulf Coast Birding and Naturalist Web
- Articles, checklists, maps and links related to birds, butterflies, herps, wild flowers and/or environmental conservation in Texas.
- http://texasnaturalist.net/

Herping the Trans-Pecos
- A pictorial tour of the reptiles and amphibians of the Trans-Pecos and other areas of West Texas.
- http://herpo.com/trans-pecos/

Field Guide to Common Texas Insects
- Images and descriptions of common Texas insects, from the book "A Field Guide to Common Texas Insects", by Bastiaan Drees and John Jackman.
- http://insects.tamu.edu/fieldguide/

TX-Butterfly
- Archives and subscription management for the e-mail group for butterfliers in Texas.
- http://listserv.uh.edu/archives/tx-butterfly.html

Herps of Texas
- Listing of the various lizards, turtles and snakes found in Texas with photographs, scientific names, natural history information, and range.
- http://www.zo.utexas.edu/research/txherps/