Once upon a time, you could find Texas horned lizards across much of the state: squat reptiles the color of rusty red and gray gravel, heads crowned with a fan of sharp little horns. Known as “horny toads,” the 5-inch lizards have been immortalized in magnets, murals, and even as TCU’s mascot. They were commonplace, easy to catch, and easy—in their grumpy, frowning way—to fall in love with.
“It’s got this cultural attachment in Texas,” says Nathan Rains, a biolo gist with the Texas Parks and Wildlife Department. “Everyone’s got an affinity for horny toads.”
The biggest and most widespread of North American horned lizards, Texas horned lizards thrive in arid landscapes as far east as Austin, subsisting largely on a diet of red harvester ants. Slow and relatively docile,…