- Texas State Aquarium
Provides programs about aquatic animals and habitats of the Gulf of Mexico.
- Texas Marine Mammal Stranding Network
Dedicated to understanding and conserving marine mammals. First aid, pictures, press releases, fact sheets, and pathology reports are online.
- Texas Ornithological Society
Promotes the discovery and dissemination of knowledge of birds.
- Texas Australian Cattle Dog Club
Includes events and announcements, photo gallery, FAQ, and more.
- Morgan Horse Club of Texas
Promoting the Morgan Horse in North Texas.
- Salt Grass Flats - Birds & Wildlife of the Gulf Coast
Features pictures and descriptions of wildlife on the Texas Gulf Coast.
- Texas Committee on Natural Resources
Conservation organization committed to protecting native ecosystems and promoting efficient use of natural resources.
- Texas Panhandle Audubon Society
Focuses on environmental education and outreach through its newsletter and presentations to its members, schools, and community groups.
- Texas Monarch Project
Ongoing study by an eighth grade class of monarch butterflies and their seasonal migrations through Texas.
- State of Texas Threatened and Endangered Species Listings
List of mammals, fishes, reptiles, amphibians, plants, birds, and invertebrates from Texas Parks and Wildlife.
- Chihuahuan Desert Wildlife Rescue, Inc.
Devoted to the rescue and rehabilitation of injured or orphaned wildlife for eventual release (when possible) to the wild.
- Texas Whooping Cranes
Lists Whooping Crane Coordinator Reports from the U.S. Fish & Wildlife Service.
- Texas Parks & Wildlife
- Doberman Rescue of North Texas
- Great Dane Angel Network
Rescue organization for Great Danes in Texas by volunteers who love the breed.
- Rotts Across Texas
Listings of Rottweilers available for adoption in the state of Texas including Rotties being fostered by individuals, shelters, and rescue organizations.
- Lone Star Shih Tzu and Lhasa Apso Rescue (LSSTLAR)
An all-volunteer organization dedicated to the rescue, rehabilitation, and re-homing of abused, abandoned, and neglected Shih Tzus and Lhasa Apsos in Texas.