Team from San Antonio Zoo gathers at Hill Country ranch to rebuild 'horny toad' population | TPR
U.S. Department of the Interior - Watch out! A baby horned lizard found at San Diego National Wildlife Refuges in California may be tiny and cute, but it has a secret weapon.
Texas horned lizards making a comeback - DailyTrib.com
First Step In Lizard's Possible Comeback | Texas Standard