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Horned Lizards

Phrynosoma (genus), “Horny Toad”

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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 bodies and blunt snouts. The genus name Phrynosoma means "toad-bodied". In common with true toads (family Bufonidae), horned lizards tend to move sluggishly, often remain motionless, and rely on their remarkable camouflage to avoid detection by predators. They are adapted to arid or semiarid areas. The spines on the lizard's back and sides are modified reptile scales, which prevent water loss through the skin, whereas the horns on the head are true horns (i.e. they have a bony core). Of the 22 species of horned lizards, 15 are native to the United States. The largest-bodied…

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