REPTILIA: SQUAMATA: IGUANIDAE Crotaphytus collaris This is a species account.

REPTILIA: SQUAMATA: IGUANIDAE CROTAPHYTUS COLLARIS______________________________________________________________________________________________________________________Catalogue of American Amphibians and Reptiles. Amelingmeier, Amber. 2008. genus genus genus genus genus genus genus Crotaphytus leashis. Crotaphytus call forisMountain boomer, easterly coll bed lounge lizard, Common coll argond lizard. Crotaphytus collaris. Say, 1823. ?Content. sextet sub species are recognized (Arbor, 1928). Synonyms:Agama collaris Say in James, 1823Crotaphytus baileyi Stejneger, 1890Crotaphytus collaris auriceps skunk and Tanner, 1951Crotaphytus collaris baileyi Stejneger, 1890Crotaphytus collaris collaris (Say in James, 1823)Crotaphytus collaris fuscus Ingram and Tanner, 1971? Definition. colors and markings are diverse within the Crotaphytus collaris. They are sexually dimorphic. C. collaris is a medium sized (8-12 inches), plump-bodied lizard which is characterized by a long, round tail and a grownup ear with a blunt snout. The dorsal colorations within this specie varies grrustly, the C. collaris can fuck score a black ad-lib melanin, jet plane or a aglitter(predicate) blue to cobalt blue color. Some of the antherals bugger eat up bright yellow bands across the bandaging. The distaffs are much dully, having more of a greenish to brown color. The gular colorations overly vary. The air jacketern populations pick out green to blue dewlaps, compared to the eastern populations that have a bun in the oven yellow to orangish (Conant and collins, 1998). The womanishs typically have a bare white dewlap, notwithstanding in a few females the dewlap has been seen with petty spots. The head and feet are ofttimes colored with yellow and the run across is unremarkably marked with virtually(prenominal) fainthearted dots. The tail and hind limbs have the reverse pattern, comme il faut dark gray to blue-green dots on a light bet onground. The front limbs don?t! usually terminate whatever spots, as swell up as the arse which is plain and pale. The males contain en bounteousd postanal scales and the females will either have a splendid dark spot or a pair of spots, on all(prenominal) side of the vent (Jones, 1993). work up. Distri moreoverion of the Crotaphytus collaris, which lie North America. Link: http://www.danys-reptilien.ch/karte05.jpg? Behavior. Crotaphytus collaris hibernate during the c obsolescenter months of overwinter and fall. When not hibernating males will have certain areas in which he will protect, actually obstreperous to the key out males who tres overcome. FIGURE: A male Eastern collared lizard interpreted in Comanche county, Oklahoma. snap reckonn by Gary Nafis. Link: http://www.californiaherps.com/noncal/southwest/swlizards/images/ccollarisok406.jpgThe prominent males are known to de hold out several female lizards which are within his territory. The males will guard their area by senior high rat es of disp points. If a male lizard bob ups into an otherwise males territory, the fend for male will arch his support and compress its sides subdue to appear fierce. He indeed will do a achievemention of pushups, sometimes causing their front feet to come come to the ground. If the intruder doesn?t move, the Crotaphytus collaris will wherefore(prenominal) pass over the trespasser off. The young males often have orange forbid across their back, which is similar to the females. Giving the jr. males a opportunity to inherit both territories and spouses (Baird, Acree, and Sloan, 1996). ? educational activity. The male Crotaphytus collar will approach a female doing a period of rapid head bobs. The lizards then begin to circle each other, both bobbing their heads. The male then grabs the female by the back of her neck and attempts to mate. If the female is ready to mate, she will submit but if she isn?t ready or carrying developing young or eggs, she will then twist her body rolling off him. The female may even climb on t! he males back to subdue his advances. The straining season usually lasts until June. Once the female has laid her eggs she will aggressively protect the nesting lay (Yedlin and Ferguson, 1973). The breeding coloration on the females fade but then become vibrant again if there is another mint. In the northern part of their range, female Crotaphytus collar take a leak only one clutch. As for in the south, they can contract two to four clutches. The average clutch size is almost six. Interesting enough, the females? body size has a positive race within the clutch size (Ballinger and Hipp, 1985). orchis tend to be deposited beneath shakes and will hatch in about 40 to 60 days. The hatchlings begin to appear or so July to September. The adult lizards usually start their hibernation late August to azoic September, leaving the younger lizards with more resources. Collared lizards tend to be sexually mature during their counterbalance spring, but sometimes the females usually wo nt breed with the year old males (Baird, Acree, and Sloan, 1996). Depending on the temperatures, some collared lizards within colder areas magnate not mate until their second season. ? Diet. Eastern Collared Lizards are in the main carnivorous, with the young outset on freshly molted worms, beetles, spiders, grasshoppers and crickets, as for the bigger C. collaris feed on small rodents from pinks to small mice. They are aggressive feeders; happily destroy any small vertebrate, as well as other lizards (the Horned lizards) and snakes. The Crotaphytus collaris will in any case occasionally eat plant material such as berries, leaves, collard greens, mustard greens, figs, raspberries, flowers, papaya, and mango (John. 1974). FIGURE: A male (brighter colored) and a female (browner) Crotaphytus collaris. Photographer unknown. Link: http://www.biology.wustl.edu/faculty/ succeed/Images/Crotaphytus_collaris_2.jpg?Distribution. This lizard is distributed from Kansas and Missouri south t o central Texas, and as far as eastern New Mexico (Mo! rris, 1959). ? Habitat. This specie can be institute within hilly, rocky, and often extremely dry with very short annual rainfall regions. Rarely found on the plains, unless on rocky hills or in gullies passing by dint of them. Limestone ledges or rock piles, both offering a large meter of hiding places (Morris, 1959). ?Fossil Record. Miocene epoch. ?Comments. The Crotaphytus collaris has no voice. The seduce ? agglomerate boomer? is an misapplied name, possibly coming from someone having seen an Eastern Collard Lizard on a rock while some other animal, probably the Barking Frog had called from underneath that same rock (Conant and Collins 1998). ?Nomenclatural History. This species has been under discussion due to some taxonomic surprise for several decades. McGuire (1996) modified the taxonomy of the Crotaphytidae basing it on morphological and transmittable selective information; moving Crotaphytus bicinctores to a more specific status, which is separate from Crotaphytus v estigium and Crotaphytus collaris (McGuire, 1996). ? Etymology. The genus Crotaphytus is from the Greek word krotaphos sum temple or side of the head and phyton meaning fauna or animal. Crotaphytus can then be taken to mean a creature with dramatic temples (Breen, 1974). Literature CitedArbor, Ann (1928).

The synonymy, variation, and statistical distribution of the collared lizard, Crotaphytus collaris (Say). wampum: University of Michigan Museum of Zoology. Baird, T. A., Acree, A. A., and Sloan, C. L. 1996. Age and gender-related differences in the accessible behavior and mating success of free-living collared lizards, C. collaris. Copeia, 1996 (2), pp. 336-347. Ballinger, R. E., an d T. G. Hipp. 1985. Reproduction in the collared liza! rd, Crotaphytus collaris, in west central Texas. Copeia 1985 (4): 976-80. Banta, B. H. 1960. Notes on the nourishment of the western collared lizard, Crotaphytus collaris baileyi, Stejneger. Wasmann J. Biol. 18: 309-311. Breen, John. 1974. Encyclopedia of Reptiles and Amphibians. TFH Publishing, Neptune City, NJ. 575 p. Brennan, T. C., & A. T. Holycross. 2005. A written report precede to Amphibians and Reptiles of Maricopa County. genus Arizona Game and Fish Department. Phoenix, AZConant, R., & Collins, J. (1998). Reptiles and Amphibians.New York: Houghton Mifflin Company. Ferguson, G. W. 1976. Color reposition and reproductive make pass in female collared lizards (Crotaphytus collaris). Copeia 1976 (3). Fitch, H. S. 1956. An ecological get word of the collared lizard. University of Kansas Publications of the Museum of native History 8:213-274. Grismer, L. L. 1994. The evolutionary and ecological liveliness of the herpetofauna of Baja atomic number 20 and the Sea of Cortez, Mexico. Unpubl. Ph.D. Diss. Loma Linda Unversity, Loma Linda, California. Jones, T. A. 1993. Collared lizards (Genus Crotaphytus). San Diego Herp. Soc. Newsletter 15 (9): 1-2. Jones, T. 1997. Captive guardianship and Breeding of Collared Lizards (On-line). Accessed Nov. 16, 1999 at http://www.collaredlizard.com/articles.htm. Klein, T. 1951. Notes on the feeding habits of Crotaphytus reticulatus. Herpetologica 7 (4): 200. Legler, J. M., and H. S. Fitch. 1957. Observations on hibernation and nests of the collared lizard, Crotaphytus collaris. Copeia 1957 (4): 305-307. McAllister, C. T. and S. E. Trauth 1985. Endoparasites of Crotaphytus collaris (Sauria: Iguanidae) from Arkansas. The Southwestern Nat. 30(3): 363-370. McGuire, J. A. 1996. phylogenetic systematics of crotaphytid lizards (Reptilia: Iguania: Crotaphytidae). air of Carnegie Museum of Natural History 32:1-120. Morris, Percy A. (1959). Boys moderate of Turtles and Lizards. New York: The Ronald iron Company. Sexton, O. J ., R. M. Andrews, and J. E. Bramble. 1992. Size and g! rowth rate characteristics of a population of Crotphytus collaris. (Sauria: Crotphytidae). Copeia 1992 (4): 968-980. Stebbins, Robert C. 1985. Peterson knit stitch Guides: Western Reptiles And Amphibians. Houghton Mifflin Co., Boston, MA. 322 pStebbins, R.C. 2003. A Field Guide to Western Reptiles and Amphibians, thirdly Edition. Houghton Mifflin Company, Boston, MA. Yedlin, I. W., and G. W. Ferguson. 1973. Variations in aggressiveness of free-living male and female collared lizards, Crotaphytus collaris. Herpetologica 29 (3): 268-275. ________________________________________________Amber Amelingmeier, undergrad at messiah College, Grantham PA. Working on bachelor?s degree in Biology and a minor in Environmental Science. _________________________________________________ If you requisite to get a full essay, order it on our website: OrderEssay.net

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