Common side-blotched lizard

Common side-blotched lizard
Conservation status
	; Least Concern (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Iguania
Family:	Phrynosomatidae
Genus:	Uta
Species:	U. stansburiana
Binomial name
	Uta stansburiana; Baird & Girard, 1852
Subspecies
	U. s. stansburiana ; northern side-blotched lizard; U. s. nevadensis ; Nevada side-blotched lizard; U. s. uniformis ; plateau side-blotched lizard; U. s. elegans ; western side-blotched lizard; U. s. stellata ; San Benito side-blotched lizard; U. s. concinna ; Cedros side-blotched lizard; U. s. martinensis ; San Martin side-blotched lizard (disputed); U. s. taylori ; Taylor's side-blotched lizard (disputed);
Synonyms
	Uta concinna; Uta elegans; Uta levis; Uta martinensis; Uta stansburiana hesperis; Uta stellata; Uta wrighti; Uta irregularis; Uta lateralis; Uta nelsoni; Uta tuberculata;

The common side-blotched lizard (Uta stansburiana) is a species of side-blotched lizard in the family Phrynosomatidae. The species is native to dry regions of the western United States and northern Mexico. It is notable for having a unique form of polymorphism wherein each of the three different male morphs utilizes a different strategy in acquiring mates. The three morphs compete against each other following a pattern of rock paper scissors, where one morph has advantages over another but is outcompeted by the third.

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