CALLISAURUS DRACONOIDES PDF

Habitat[ edit ] Zebra-tailed lizards live in open desert with fairly hard-packed soil, scattered vegetation, and scattered rocks, typically flats, washes, and plains. Description[ edit ] Zebra-tailed lizards range in size from 2. These lizards are grey to sandy brown, usually with a series of paired dark gray spots down the back, becoming black crossbands on the tail. The underside of the tail is white with black crossbars.

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Vegetation is typically sparse, though spectacular blooms may occur following rain. Deserts can be cold or warm and daily temperates typically fluctuate. In dune areas vegetation is also sparse and conditions are dry.

This is because sand does not hold water well so little is available to plants. In dunes near seas and oceans this is compounded by the influence of salt in the air and soil. Salt limits the ability of plants to take up water through their roots. The act or condition of passing winter in a torpid or resting state, typically involving the abandonment of homoiothermy in mammals.

Iteroparous animals must, by definition, survive over multiple seasons or periodic condition changes. Genetic differentiation among populations of the zebratail lizard, Callisaurs draconoides Sauria: Iguanidae. Copeia, 4: Attenborough, D. Life in Cold Blood. Behler, J. Knopf, Inc. Cochran, D. Toronto: Estate of Doris M. Cochran and by Coleman J. Ditmars, R. Eifler, D. Characteristics and use of the tail in signaling by the zebra-tailed lizard Callisaurus draconoides.

Fenton, K. Hammerson, G. Amphibians and Reptiles in Colorado. University Press of Colorado: Niwot Colorado. Hasson, O. Hibbard, G. The pursuit deterrent function of tail-wagging in the zebra tailed lizard Callisaurus draconoides.

Canadian Journal of Zoology, Karasov, W. Correlates of average daily metabolism of field active zebra-tailed lizard Callisaurus draconoides.

Kay, F. Miller, C. Food habits and reproduction of Callisaurus draconoides in Death Valley, California. Herpetologica, Mattison, C. Lizards of the World. Muth, A. Body temperatures and associated postures of the zebra-tailed lizard, Callisaurus draconoides. Norris, K. Color adaptation in desert reptiles and its thermal relationships. Lizard ecology: a symposium.

Columbia, Missouri: University of Missouri Press. Ord, T. Blumstein, C. Intrasexual selection predicts the evolution of signal complexity in lizards. Packard, M. Burns, K. Hirsch, G. Structure of shells of eggs of Callisaurus draconoides Reptilia, Squamata, Iguanidae. Phillips, S. A Natural History of the Sonoran Desert. Pianka, E. Ecology of the iguanid lizard Callisaurus draconoides. Rand, A. The adaptive significance of territoriality in Iguanid lizards. Shwenk, K.

Occurrence, distribution and functional significance of taste buds in lizards. Smith, H. Tanner, W. Ecology of the zebra-tailed lizard Callisaurus draconoides at the Nevada test site. Vitt, L. Ecology and reproduction of lower Colorado river lizards: I. Callisaurus draconoides Iguanidae.

Zug, G.

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Zebra-tailed lizard

Tolerant of high temperatures. Often seen basking on rocks, even on extremely hot afternoons. A countersunk lower jaw makes it easier for this lizard to burrow into loose or sandy soil to rest. Defense Capable of running very fast possibly the fastest lizard in the desert facilitated by long legs and streamlined body. After speeding away, this lizard sometimes stops far ahead in the open, but it will also run to the far side of a bush, out of view, or into a bush or burrow for protection. Before running, a lizard may curl the tail up towards the back, exposing the black and white bars, and wag it nervously, then continue this behavior while running and after stopping.

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