CALLISAURUS DRACONOIDES PDF

  • June 30, 2019

Assessor(s): Hammerson, G.A., Frost, D.R. & Gadsden, H. Reviewer(s): Cox, N., Chanson, J.S. & Stuart, S.N. (Global Reptile Assessment Coordinating Team). ZEBRA-TAILED LIZARD Callisaurus draconoides. DESCRIPTION: A medium- sized (up to mm or 4″ from snout to vent), tan to yellowish tan lizard with long, . Adult male, Kern County. Western Zebra-tailed Lizard. Breeding adult female, Kern County. Western Zebra-tailed Lizard. Adult female, Kern County, Adult female.

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Phoenix, AZ Degenhardt, W. The groin and lower sides are often tinted yellow.

Zebra-tailed lizard

Tanner and Krogh, Zebra-tail lizards hibernate twice during the year. California, Arizona, Baja California ventralis: Part I – Reptiles. To callisaurud this page: There are two dark bars on each side of the belly that extend up onto the sides just behind the forelimbs. Females lay eggs in sheltered, humid environments to prevent desiccation.

Morphological and biochemical evolution in the sand lizards. Ecology of the iguanid lizard Callisaurus draconoides. This likely helps C. A Photographic Field Guide. Van Devender, and E. The Zebra-tailed Lizard mates in spring and lays one or more clutches of eggs in summer. Molecular Phylogenetics and Evolution 36 3: This was your basic medium-sized, not particularly colorful zebra-tailed lizard.

These little speed demons were zipping all around the washes and other open areas on the desert floor.

Upon hatching, offspring are smaller but otherwise very similar in appearance to adults. Juveniles have dark dorsal spots that disappear as they age.

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Notes on the herpetological fauna of the Mexican state of Sonora. The body scales are small and granular. Snell Press, pp.

Collins, and Errol D. They are believed to have well-developed vision and evidence suggests that taste buds may be used to identify individual females.

They are also known to burrow under sand for safety when being chased by predators. Ecology and reproduction of lower Colorado river lizards: As I was driving back down the dirt road from whence I had come, after a successful quest for both Goode’s Horned Lizards and Yuman Desert Fringe-toed Lizardsthis tiny lizard’s movement caught my eye.

Reproduction in Zebra-tailed Lizards, Callisaurus draconoides Squamata: Tweet Please submit feedback about this entry to the curator. I was surprised to see only this one zebra-tail in the two drives I took out to this area, since they are typically quite common where they are present.

IUCN Red List of Threatened Species

This lizard burrows into fine sand for retreat at night and usually seeks day shelter in the shade of bushes. Tail displays are seen most often when in open areas with little to no cover available.

Can you confirm these amateur observations of Callisaurus draconoides? Next came the slightly larger Zebra-tailed Lizards, and a little later still, the one, the mighty, Super Spiny Lizard.

Adest, Gary Andrew It benefits males to mate with as many females as possible, typically resulting in higher hierarchical standing or rank. The temperature of the rock was degrees F.

However, because of high desert temperatures, zebra-tailed lizards only move when defending their territories, chasing prey, or evading predators.

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Cornell University Press, In other projects Wikimedia Commons Wikispecies. A Guide to the Amphibians and Reptiles of California.

But she still exhibits the flight behavior typical of this dracoonoides – wagging her striped tail as a distraction from her body, and even doing a push-up display warning me not to come any closer. As insectivores, this species may help control insect pest populations.

USNM [crinitus] Holotype: Belly markings also differ among these groups, with fringe-toed lizards having a single large blotched marking on draconoidrs belly. Views Read Edit View history. Because of this extreme temperature variation, zebra-tailed lizards tend to be diurnal, allowing periods of draconoldes activity during hours when the temperatures are most suitable. In dune areas vegetation is also sparse and conditions are dry.

Most zebra-tails run away as fast as they can, but this one seemed curious of the large hairless ape with a funny hat crawling on its knees and only ran a short distance then stopped, allowing me to approach her closely again. Young males also lack the black belly markings present in adult males.

In our state it occurs at elevations ranging from near sea level along the Colorado River to about 5,’. Amphibians and reptiles of New Mexico. Hatchlings begin to emerge in July.