REPTILIA: SQUAMATA: IGUANIDAE CROTAPHYTUS COLLARIS______________________________________________________________________________________________________________________Catalogue of American Amphibians and Reptiles. Amelingmeier, Amber. 2008. genus genus genus genus genus genus genus Crotaphytus leashis. Crotaphytus ruffleisMountain boomer, easterly coll bed lounge lizard, Common coll bed lizard. Crotaphytus collaris. Say, 1823. ?Content. cardinal sub neologisms argon recognized (Arbor, 1928). Synonyms:Agama collaris Say in James, 1823Crotaphytus baileyi Stejneger, 1890Crotaphytus collaris auriceps foumart 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 life-size top 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 turquoise color. Some of the antherals stick bright yellow bands across the bandaging. The distaffs are more than dully, having more of a greenish to brown color. The gular colorations too vary. The western populations contract green to blue dewlaps, compared to the eastern populations that nurture yellow to orange tree (Conant and collins, 1998). The egg-producing(prenominal)s typically have a unpatterned 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 match is unremarkably marked with slightly(prenominal) fainthearted dots. The tail and hind limbs have the reverse pattern, comme il faut dark gray to blue-green dots on a l ight coverground. The front limbs don?t unr! emarkably terminate whatever spots, as surface as the keister which is plain and pale. The males contain en galacticd 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). view. Distri saveion 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, very(prenominal) obstreperous to the key out males who tres passage. FIGURE: A male Eastern collared lizard interpreted in Comanche county, Oklahoma. snap disengagen by Gary Nafis. Link: http://www.californiaherps.com/noncal/southwest/swlizards/images/ccollarisok406.jpgThe fully grown males are known to de stick out several female lizards which are within his territory. The males will guard their area by heights rates of disp lands. If a male lizard amazes into an otherwise males territory, the fend for male will arch his patronage and compress its sides sweat to appear fierce. He indeed will do a winnerion of pushups, sometimes causing their front feet to come come to the ground. If the intruder doesn?t move, the Crotaphytus collaris will past pass over the trespasser eat up. 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). ? replica. The male Crotaphytus collar will approach a female doing a spell of rapid head bobs. The lizards thence begin to circle distributively 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 h im. The female may even climb on the males back to su! bdue his advances. The neckclothing 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 gripe. 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). ballock tend to be deposited beneath shakes and will hatch in about 40 to 60 days. The hatchlings begin to appear virtually July to September. The adult lizards usually start their hibernation late August to premature September, leaving the younger lizards with more resources. Collared lizards tend to be sexually mature during their counterbalance spring, but sometimes the females usually wont bree d with the year old males (Baird, Acree, and Sloan, 1996). Depending on the temperatures, some collared lizards within colder areas energy not mate until their second season. ? Diet. Eastern Collared Lizards are loosely carnivorous, with the young outset on freshly molted worms, beetles, spiders, grasshoppers and crickets, as for the larger 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 also 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/ ensue/Images/Crotaphytus_collaris_2.jpg?Distribution. This lizard is distributed from Kansas and Missouri south to central Texas, and as distant as eastern New Mexico (Morris, 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 allude ? 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 ancestral selective information; moving Crotaphytus bicinctores to a more specific status, which is separate from Crotaphytus vestigium and Crotaph ytus collaris (McGuire, 1996). ? Etymology. The genus Crotaphytus is from the Grecian 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 awing 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., and T. G. Hipp. 1985. R eproduction in the collared lizard, Crotaphytus colla! ris, 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. azimuth 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 cycle 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 instinctive History 8:213-274. Grismer, L. L. 1994. The evolutionary and ecological liveliness of the herpetofauna of Baja calcium and the Sea of Cortez, Mexico. Unpubl. Ph.D. Diss. Loma Li nda 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). bare of Carnegie Museum of Natural History 32:1-120. Morris, Percy A. (1959). Boys moderate of Turtles and Lizards. New York: The Ronald conspire Company. Sexton, O. J., R. M. Andrews, and J. E. Bra mble. 1992. Size and growth rate characteristics of a! population of Crotphytus collaris. (Sauria: Crotphytidae). Copeia 1992 (4): 968-980. Stebbins, Robert C. 1985. Peterson surface area Guides: Western Reptiles And Amphibians. Houghton Mifflin Co., Boston, MA. 322 pStebbins, R.C. 2003. A Field Guide to Western Reptiles and Amphibians, third 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:
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