Horned lizard Horned lizard Horned lizards (Phrynosoma), also known as horny toads or horntoads, are a genus of North American lizards and the type genus of the family Phrynosomatidae. The common names refer directly to their flattened, rounded body and blunt snout. The genus name "Phrynosoma" means "toad-bodied". In common with large true frogs and toads, horned lizards tend to move sluggishly, making them easy to catch; this may also avoid triggering attacks by predators. They are adapted to arid or semi-arid areas. The spines on the lizard's back and sides are made from modified reptile scales which prevent the water loss
Texas toad water bodies for breeding include the Gulf Coast toad ("Incilius valliceps"), the green toad ("Anaxyrus debilis"), the Great Plains narrow-mouthed toad ("Gastrophryne olivacea") and Couch's spadefoot toad ("Scaphiopus couchii"). The Texas toad sometimes hybridizes with Woodhouse's toad ("Anaxyrus woodhousii") or the Great Plains toad ("Anaxyrus cognatus"). The Texas toad has a wide range and a large total population and is one of the most common toads in the southern United States. It is tolerant of changes in its habitat and is present in cultivated areas as well as grasslands and savannahs. No particular threats have been identified and the International