There are 17 different horned lizards in North America! The Texas Horned Lizard (Phrynosoma cornutum) is one of those unique species. #WorldLizardDay How can you tell them apart? 🦎 Well, the THL is the only species of horned lizard to have dark brown stripes that radiate downward from the eyes and across the top of the head. They range from the south-central United States to northern Mexico, across much of Texas, Oklahoma, Kansas, and New Mexico. In recent years, however, they’ve disappeared fr