Phrynosoma hernandesi
Greater Short-horned Lizard

Protected- Do Not Harass or Collect these animals!

Click on a picture to see a larger version in a different window
Other Names: Horned Toad, Horned Frog, Horny Toad
Subspecies: Hernandez's Short-horned Lizard Phrynosoma hernandesi hernandesi
Description: Small to medium sized lizards reaching 50-112 mm SVL. Tail is less than half the length of the body. Their heart-shaped head is wider than it is long. The back of the head is flared out and tipped with horns. The two central horns are short and separated by a deep notch. Their bodies are wide and flat, there is a row of fringe scales that look like small teeth. Ground color varies greatly, usually coinciding with the color of the soil in which they are found. The plains variety usually has white outlines around blotches whereas the mountain variety usually has bars or blotches without the white.
Similar Species: The Regal Horned Lizard has four long occipatal horns, the bases of which are in contact. The Texas Horned Lizard has well developed head and body spines and two complete rows of lateral abdominal fringe scales. The Roundtail Horned Lizard is smaller and lacks abdominal fringe scales.
Venom: None
Habitat: Plains and montane habitats between 2,000 and 10,000 feet in elevation.
Behavior: Will usually stand still and blend in with their environment, but will run in short bursts. They are known to squirt blood from their eyes when caught by a predator.
Hibernation: March to October, may come out early or stay out late if the weather is good.
Reproduction: Viviparous (live bearing). Average litter size of 16, they disperse shortly after birth, no maternal care is given.
Diet: Mainly ants but will take other insects.