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.
Herping the Trans-Pecos - A pictorial tour of the reptiles and amphibians of the Trans-Pecos and other areas of West Texas.
Herps of Texas - Listing of the various lizards, turtles and snakes found in Texas with photographs, scientific names, natural history information, and range.
Texas Entomology - Mike Quinn's site with extensive links to general entomology and Lepidoptera-specific resources.
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.
Texas Hummingbird Roundup - Includes identifying hummingbirds, the state backyard survey, and other resources.
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.
Texas Monarch Watch - Web version of a brochure highlighting migration, life cycle, and other monarch butterfly information.
Texas Natural History Collections - Located at the Texas Memorial Museum in Austin. Includes databases, collections, events, and exhibits.
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.
TX-Butterfly - Archives and subscription management for the e-mail group for butterfliers in Texas.
Wild Texas: Wildlife Guide - Brief accounts of mammal, reptile, and bird species commonly observed in Texas.