Rahul Sharma (Editor)

Earless lizard

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Kingdom
  
Animalia

Subphylum
  
Vertebrata

Order
  
Squamata

Phylum
  
Chordata

Class
  
Reptilia

Suborder
  
Sauria

Earless lizard wwwreptilesofazorgGraphicsLizardsHOLMAC04ajpg

Representative species
  
Greater earless lizard, Holbrookia maculata, Holbrookia lacerata, Holbrookia propinqua, Holbrookia subcaudalis

Earless lizards are two genera of small lizards native to the semi-arid and grassland habitats of the southwestern United States and Mexico. The genus Cophosaurus and the genus Holbrookia are both characterized by having no external ear openings, presumably to prevent sand from entering the body as they dig.

Contents

Earless lizard Elegant Earless Lizard Holbrookia elegans Reptiles of Arizona

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Defense mechanism

Earless lizard Spottail earless lizard WildEarth Guardians

Earless lizards have a peculiar defense mechanism which is coupled to their cold-blooded life style. They have a small opening on the top of their head called a 'blood sinus' which helps the lizard to gain heat quickly during daytime. However the blood can also be channelized to the eyes of the lizard when a predator looms close by, efficiently spitting the blood onto the predator giving it enough time to escape.

Geographic range

Earless lizard Greater Earless Lizard Cophosaurus texanus

Earless lizards are found from the southwestern and central United States, in the states of Texas, Arizona, New Mexico, Utah, Colorado, Kansas, Oklahoma, and as far north as Nebraska, South Dakota, and Wyoming. They are also found in Mexico, in the states of Sonora, Chihuahua, Coahuila, Sinaloa, Durango, Zacatecas, San Luis Potosí, Nuevo León, Tamaulipas and Veracruz.

Earless lizard Elegant Earless Lizard Tucson Herpetological Society

Earless lizard Earless Lizard for Sale Reptiles for Sale

Earless lizard Wild Herps Greater Earless Lizard Cophosaurus texanus

Earless lizard Navajo Zoo Lesser Earless Lizards

Earless lizard Elegant Earless Lizard Tucson Herpetological Society

References

Earless lizard Wikipedia