|Coachella Valley fringe-toed lizard, Uma inornata|
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|Wikispecies has information related to Uma|
Fringe-toed lizards are lizards of the genus Uma in the family Phrynosomatidae, native to deserts of North America. They are adapted for life in sandy deserts with fringe-like scales on their hind toes hence their common name.
Lizards of the genus Uma have a brown and tan coloration that helps them to blend in with the sand. The dorsal surface has a velvety texture with intricate markings. In addition, they also have prominent elongated scales which form a fringe on the sides of their hind toes. These fringes aid with traction and speed, and help the lizard avoid sinking into loose, sandy dunes.
Fringe-toed lizards also possess upper jaws which overlap the lower ones, preventing the intrusion of sand particles, and nostrils that can be closed at will. Flaps also close against the ear openings when moving through sand, and the upper and lower eyelids have interlocking scales that prevent sand from getting into the eyes.
Lizards of the genus Uma are found in low desert areas having fine, loose sand.
Lizards of the genus Uma bury themselves underground in the winter. They sleep in their burrows, and use their burrows for protection from predators and extreme temperatures.
- Coachella Valley fringe-toed lizard, Uma inornata Cope, 1895
- Colorado Desert fringe-toed lizard, Uma notata Baird, 1858
- Mojave fringe-toed lizard, Uma scoparia Cope, 1894
- Sonoran fringe-toed lizard, Uma rufopunctata Cope, 1895
- Mexican fringe-toed lizard, Uma paraphygas K.L. Williams, Chrapliwy & H.M. Smith, 1959
- Coahuila fringe-toed lizard, Uma exsul Schmidt & Bogert, 1947
- Meroles, a genus of African lizards with morphological and ecological similarities
- Xerocoles, animals adapted to desert environments
- "Uma ". Wikispecies
- Stebbins, Robert C. (2003). A Field Guide to Western Reptiles and Amphibians, Third Edition. Boston and New York: Houghton Mifflin. pp. 280–282. ISBN 0395982723.
- Carothers JH (1986). "An experimental confirmation of morphological adaptation: toe fringes in the sand-dwelling lizard Uma scoparia". Evolution. 40 (4): 871–874. doi:10.2307/2408475. JSTOR 2408475.
- "Uma ". The Reptile Database. www.reptile-database.org.