Biology:Sceloporus uniformis
| Yellow-backed spiny lizard | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Iguania |
| Family: | Phrynosomatidae |
| Genus: | Sceloporus |
| Species: | S. uniformis
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| Binomial name | |
| Sceloporus uniformis Phelan & Brattstrom, 1955
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| Synonyms | |
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Sceloporus magister uniformis | |
Sceloporus uniformis, also known as the yellow-backed spiny lizard, is a reptile of the family Phrynosomatidae. It is native to the Mojave and Great Basin deserts. Until recently, it was considered to be a subspecies of Sceloporus magister.
Taxonomy
Sceloporus uniformis was originally described as a subspecies of Sceloporus magister in 1955.[1] In 2006, genetic analysis revealed that S. uniformis is sufficiently distinct to merit classification as its own species.[2]
Description
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S. uniformis is a large robust lizard, and adults can grow to 5.5 inches in body length (snout-to-vent), with a tail slightly longer than the body. Color is brown or tan with yellow and black dorsal stripes or mottling and a black collar on the sides of the neck.[3]
Males are larger than females, and have a swollen tail base, enlarged postanal scales and femoral pores, and bluish markings on the throat and belly. Females have a pale throat and underbelly, with faint or no blue markings. The head of a female may be orange or reddish in the breeding season.[3]
Range, habitat, and diet
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This lizard is native to the Mojave and Great Basin deserts. It is endemic to the United States, and can be found in California, Nevada, Utah, and Arizona.[4] S. uniformis can be found living in desert flats, semiarid plains, low mountain slopes, and riparian woods.[3]
Although S. uniformis is primarily an ambush predator, on occasion it will actively forage. This species will eat a variety of small invertebrates and their larvae including ants, beetles, grasshoppers, spiders, centipedes, and caterpillars. Occasionally, small lizards, nestling birds, leaves, flowers and berries are also consumed.[3]
Behavior
Like many desert species, S. uniformis basks in the morning on rocks or any hard surface that is in direct sunlight. It will seek shelter, usually underground in burrows, during the hottest part of the day in the summertime. It hibernates in late fall and during the cold months of winter before re-emerging in spring.[3]
References
- ↑ Phelan, Robert L.; Brattstrom, Baynard H. (1955). "Geographic variation in Sceloporus magister". Herpetologica 11 (1): 1–14.
- ↑ Schulte, James A.; Macey, J. Robert; Papenfuss, Theodore J. (2006). "A genetic perspective on the geographic association of taxa among arid North American lizards of the Sceloporus magister complex (Squamata: Iguanidae: Phrynosomatinae)". Molecular Phylogenetics and Evolution 39 (3): 873–880. doi:10.1016/j.ympev.2005.04.033. PMID 16580231. http://people.clarkson.edu/~jschulte/Schulte_Lab_at_Clarkson_University/Publications_files/Schulteetal06MPE.pdf.
- ↑ 3.0 3.1 3.2 3.3 3.4 Nafis. "Yellow-backed Spiny Lizard - Sceloporus uniformis". http://www.californiaherps.com/lizards/pages/s.uniformis.html.
- ↑ Goldberg, Stephen (2012). "Reproduction of the Yellow-backed Spiny Lizard, Sceloporus uniformis (Squamata: Phrynosomatidae) from California". Bulletin, Southern California Academy of Sciences 111: 25–28. doi:10.3160/0038-3872-111.1.25. http://www.bioone.org/doi/full/10.3160/0038-3872-111.1.25. Retrieved 26 August 2015.
Wikidata ☰ Q10876787 entry
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