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Encyclopedia > Phrynosoma
Horned Lizards
Short-horned Lizard
Short-horned Lizard
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Sauria
Family: Phrynosomatidae
Genus: Phrynosoma
Species

see text

The Horned Lizards (Phrynosoma) is a genus of the Phrynosomatidae family of lizards. Horned lizards are often wrongly called "Horned Toads" or "Horny Toads", but are not toads at all. They are reptiles, not amphibians.


Texas Christian University's mascot is Horned Frog (actually P. cornutum, the Texas horned lizard).


Horned Lizards are morphologically similar to the Australian Thorny lizard (Moloch horridus), but are only distantly related.


Horned lizards carry with them a wide variety of means to avoid predation. Their coloration generally serves as camouflage. The lizard's spines make it a difficult meal for any predator that finds it. The lizards also have the ability to inflate their bodies in an effort to frighten potential predators.


At least four species of horned lizard (P. coronatum, cornutum, orbiculare, and solare) are known to have an unusual antipredator behavior. When attacked, they are capable of squirting blood from their eyes. Although it often does little more than drip off the lizard's face, blood has been observed flying distances of over 1 m (3 ft).


Species

  • Phrynosoma asio
  • Phrynosoma braconnieri
  • Phrynosoma cerroense
  • Texas horned lizard, Phrynosoma cornutum
  • Phrynosoma coronatum
  • Phrynosoma ditmarsi
  • Short-horned lizard, Phrynosoma douglasii
  • Phrynosoma hernandesi
  • Phrynosoma mcallii
  • Phrynosoma modestum
  • Phrynosoma orbiculare
  • Desert horned lizard, Phrynosoma platyrhinos
  • Phrynosoma solare
  • Phrynosoma taurus

External links


  Results from FactBites:
 
Digimorph - Phrynosoma cornutum (Texas horned lizard) - whole (621 words)
Phrynosoma cornutum, the Texas horned lizard, is the Texas State Reptile.
Phrynosoma cornutum occurs in the midwestern and southern United States and northern Mexico.
The diet of Phrynosoma cornutum consists of 69% harvester ants, with the remainder comprised of termites, beetles, and grasshoppers.
Horned Lizards Conservation Society (3539 words)
Gastrointestinal helminths of the Mexican horned lizards Phrynosoma braconnieri and Phrynosoma taurus (Iguanidae).
Redfield, A. The physiology of the melanophores of the horned toad Phrynosoma.
Integumental chromatophores of a color-change, thermo-regulating lizard, Phrynosoma modestum.
  More results at FactBites »


 

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