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Home »» Lizards »» Phrynosomatidae (North American Spiny Lizards) »» Yarrow's Spiny Lizard (Sceloporus jarrovii)


Yarrow's Spiny Lizard (Sceloporus jarrovii)Species of Least Concern





Description: S. jarrovii grows to a snout-to-vent length of 4.1 inches with keeled scales and a crosshatch-patterned torso. Its coloration includes tints of pink, green, blue, and copper. The top of the head is dark gray. Males have a blue throat and a blue belly. A complete black collar with a white inferior border distinguishes this lizard from similar species.


Habitat: This is a montane species, attracted to rocky canyons, cliffs, and hillsides, including areas of oak woodland, thornscrub, and mixed oak and pine. Typically it occurs on rocky outcrops, sometimes climbs trees.


Range: Southeastern Arizona and extreme southwestern New Mexico south into Mexico, south to Durango and Zacatecas according to the systematic arrangement of Wiens and Penkrot. Elevational range is about 4,500 to 11,600 feet. At the northern end of the range, this lizard occurs on major mountain ranges and certain minor mountain ranges.


Found in these States: AZ | NM


Diet: Insects and spiders.


Reproduction: S. jarrovii is viviparous. In Arizona, mates September to October, gives birth in May to June at lower elevations, late June at 5000 to 7000 ft; litter size, which increases with female size, averages 7 to 11. Litter size averages 7 in northcentral Mexico, with neonates observed in May. May mature in 5 months at low elevations, 15 months at high elevations. Growth rate appears to be slowed when food resources are low


Status: Listed as Least Concern in view of the relatively large and stable extent of occurrence, area of occupancy, number of subpopulations, and population size. No major threats have been identified.


Subspecies: Two, with just one found in the United States:
   Mountain Spiny Lizard - (Sceloporus jarrovii jarrovii)
   Lined Spiny Lizard - (Sceloporus jarrovii lineolateralis)


Taxonomy:

»» Kingdom: Animalia - Animals
   »» Phylum: Chordata - Chordates
     »» Subphylum: Vertebrata - Vertebrates
       »» Class: Reptilia - Reptiles
         »» Order: Squamata - Lizards
           »» Family: Phrynosomatidae - North American Spiny Lizards
             »» Genus: Sceloporus
               »» Species: Sceloporus jarrovii - Yarrow's Spiny Lizard

This article uses material from the Wikipedia article "Sceloporus jarrovii", which is released under the Creative Commons Attribution-Share-Alike License 3.0. Content may have been omitted from the original, but no content has been changed or extended.

 

 

 

 


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Disclaimer: ITIS taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. However, it is not a legal authority for statutory or regulatory purposes. While every effort has been made to provide the most reliable and up-to-date information available, ultimate legal requirements with respect to species are contained in provisions of treaties to which the United States is a party, wildlife statutes, regulations, and any applicable notices that have been published in the Federal Register. For further information on U.S. legal requirements with respect to protected taxa, please contact the U.S. Fish and Wildlife Service.

 
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