The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

• Arriaga, L., Espinoza, J. M., Aguilar, C., Martínez, E., Gómez, L. y Loa, E. 2001. Regiones Terrrestres Prioritarias de México. México.
• BISON-M, .. 1997. "Biota Information System of New Mexico: Collared Lizard (Crotaphytus collaris)" (On-line). Accessed Nov. 16, 1999 at http://www.fw.vt.edu/fishex/nmex_main/species/030030.htm.
• Baird, T.A. 2004. Reproductive coloration in female Collared Lizards, Crotaphytus collaris, stimulates courtship by males. Herpetologica 60 (3): 337-348.
• Baird, Troy A. 2009. Does Experimentally Induced Conspicuous Coloration Increase Risk of Predation and Conspecific Aggression in First-Year Collared Lizard Males?. Herpetologica 65 (1): 31-38.
• Banks, R. C., R. W. McDiarmid, A. L. Gardner, and W. C. Starnes. 2004. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada, draft (2004)
• Banks, R. C., R. W. McDiarmid, and A. L. Gardner. 1987. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada. Resource Publication, no. 166. 79
• Barreto-Oble, D. 2000. Análisis Ecológico y Distribución de la Región de Nizanda, Oaxaca. Tesis (licenciatura). Departamento de Biología, Facultad de Ciencias, Universidad Nacional Autónoma de México. México, D. F.
• Bonetti, Mathilde. 2002. 100 Sauri. Mondadori (Milano), 192 pp.
• Boulenger, G.A. 1885. Catalogue of the lizards in the British Museum (Natural History). Vol. 2, Second edition. London, xiii+497 pp.
• Brandon, Ronald A.;Wilson, Allan K. 1994. Crotaphytus collaris (callard lizard). USA: Illinois. Herpetological Review 25 (2): 76.
• Braun, Cody A.; Troy A. Baird, and Jennifer K. LeBeau. 2010. Influence of Substrate Temperature and Directness of Approach on the Escape Responses of Juvenile Collared Lizards. Herpetologica 66 (4): 418-424.
• Burt, Charles E. 1928. The sexual dimorphism of the collared lizard, Crotaphytus collaris. Papers of the Michigan Academy of Science, Arts, and Letters 10: 417-421.
• Burt, Charles E. 1928. The synonymy, variation, and distribution of the collard lizard, Crotaphytus collaris (Say). Occasional Papers of the Museum of Zoology, University of Michigan (196): 1-19 + 7 plates.
• Burt, Charles E. 1933. Some lizards from the Great Basin of the West and adjacent areas, with comments on the status of various forms. American Midland Naturalist 14: 228-250.
• Burt, Charles E. 1935. Further records of the ecology and distribution of amphibians and reptiles in the middle west. American Midland Naturalist 16 (3): 311-336.
• CITES 1994. Report by the Environmental Investigation Agency. USA.
• Cogger, H., R. Zweifel. 1998. Encyclopedia of Reptiles and Amphibians. San Diego, CA: Academic Press.
• Cohen, M.M.; Cuang, Ch. C.; Clark, H.F. 1967. The somatic chromosomes of 3 lizard species: Gekko gecko, Iguana iguana, and Crotaphytus collaris. Cellular and Molecular Life Sciences 23(9):769-771.
• Collins, J.T. and  T. W. Taggart . 2009. Standard Common and Current Scientific Names for North American Amphibians, Turtles, Reptiles, and Crocodilians, Sixth Edition. Center for North American Herpetology, 48 pp.
• Conant,R. & Collins,J.T. 1991. A Field Guide to Reptiles and Amphibians of Eastern/Central North America, 3rd ed. Houghton Mifflin (Boston/New York), xx + 450 p.
• Cooper Jr., W.E. 2005. Duration of movement as a lizard foraging movement variable. Herpetologica 61 (4): 363-372.
• Curtis, Jennifer L. and Troy A. Baird. 2008. Living Adult and Ectoparasitic Larval Trombiculid Mites on Collared Lizards. Herpetologica 64 (2): 189-199.
• Degenhardt, W. G., Painter, Ch. W. y Price, A. H. 1996. Amphibians and Reptiles of New Mexico. University of New Mexico Press. Albuquerque.
• Degenhardt, William G.; C. W. Painter, and A. H. Price. 1996. Amphibians and reptiles of New Mexico. Univ. New Mexico Press.
• Drost, T. 2008. Dokumentation eines Terrarienbaus für Halsbandleguane. Iguana-Rundschreiben 21 (1): 5-.
• Duméril, A. H. A. 1856. Description des reptiles nouveaux ou imparfaitement connus de la collection du Muséum d’Histoire Naturelle et remarques sur la classification et les charactères des reptiles. Archives du Muséum Hist. Nat. Paris, 8: 438—588.
• Eaton, Theodore H., Jr. 1935. Report on amphibians and reptiles of the Navajo country. Bulletin 3. Rainbow Bridge-Monument Valley Expedition : 1-20.
• Eifler, Douglas; Fogarty, Sean. 2006. Perch selection by post-breeding female collared lizards (Crotaphytus collaris). Amphibia-Reptilia 27 (3): 461-463.
• FLESCH, AARON D.; DON E. SWANN, DALE S. TURNER, AND BRIAN F. POWELL. 2010. HERPETOFAUNA OF THE RINCON MOUNTAINS, ARIZONA. THE SOUTHWESTERN NATURALIST 55(2):240–253.
• Fitch, Henry S.;Tanner, Wilmer W. 1951. Remarks concerning the systematics of the collard lizard, (Crotaphytus collaris), with a description of a new subspecies. Transactions of the Kansas Academy of Sciences 54 (4): 548-559.
• Flores-Villela, Oscar / McCoy, C. J., ed. 1993. Herpetofauna Mexicana: Lista anotada de las especies de anfibios y reptiles de México, cambios taxonómicos recientes, y nuevas especies. Carnegie Museum of Natural History Special Publication, no. 17. iv + 73
• García, E. 1973. Modificaciones al Sistema de Clasificación Climática de Köppen. UNAM. Instituto de Geografía. México, D. F.
• Grismer, L. L. 1994. Ecogeography if the Peninsular Herpetofauna of Baja California, México and its Utility in Historical Biogeography En: Philip R. Brown y John W. Wright (eds.) Herpetology of the North American Deserts+. Proceedings of a Symposium Southwestern Herpetologists Society . California, USA.
• Holbrook, John E. 1842. North American Herpetology; or, A description of the reptiles inhabiting the United States. Vol I (2nd ed.). J. Dobson, Philadelphia, 152 pp.
• Husak, Jerry F. & Matthew N. Rouse. 2006. Population variation in escape behavior and limb morphology of collared lizards (Crotaphytus collaris) in Oklahoma. Herpetologica 62 (2): 156-163.
• Ingram, William; Tanner, Wilmer W. 1971. A taxonomic study of Crotaphytus collaris between the Rio Grande and Colorado Rivers. Brigham young University Science Bulletin 13 (2): 1-29.
• Jones, T. 1997. "Captive Care and Breeding of Collared Lizards" (On-line). Accessed Nov. 16, 1999 at http://www.collaredlizard.com/articles.htm.
• Kaplan, M. 1995. "Collared Lizards" (On-line). Accessed Nov. 16, 1999 at http://www.sonic.net/~melissk/collared.html.
• Lazcano Villarreal, David & Dixon, J.R. 2002. Lista Preliminar de la Herpetofauna del Estado de Nuevo León. http://www.uanl.mx/facs/fcb/deptos/herpetologia/pdf/herpetofauna_nl.pdf.
• Lemos-Espinal, J.A. & Smith, H.M. 2007. Amphibians and reptiles of the state of Chihuahua, Mexico. Universidad Nacional Autonoma de Mexico, 613 pp.
• Lemos-Espinal, J.A. & Smith, H.M. 2007. Amphibians and reptiles of the state of Coahuila, Mexico. Universidad Nacional Autonoma de Mexico, 550 pp.
• Liner, E. A. 1994. Scientific and Common Names for the Amphibians And Reptiles of Mexico in English and Spanish. SSAR. Lawrence, Kansas.
• Lipfert, J. 2004. Halsbandleguane (die Gattung Crotaphytus). Natur und Tier Verlag (Münster), 64 pp.
• Love, B. 2005. Der Blaue Mexikaner. Reptilia (Münster) 10 (6): 16-17.
• Macedonia, Joseph M.; Brandt, Yoni; Clark, David L. . 2002. Sexual dichromatism and differential conspicuousness in two populations of the common collared lizard (Crotaphytus collaris) from Utah and New Mexico, USA. Biological Journal of the Linnean Society 77:67-85.
• McCoy J K. Fox S F. Baird T A. 1994. Geographic variation in sexual dimorphism in the collared lizard Crotaphytus collaris (Sauria: Crotaphytidae). SOUTHWESTERN NATURALIST 39 (4): 328-335.
• McCoy J K. Harmon H J. Baird T A. Fox S F. 1997. Geographic variation in sexual dichromatism in the collard lizard, Crotaphytus collaris (Sauria: Crotaphytidae). Copeia 1997 (3): 565-571.
• McGuire, J. A. 1996. Phylogenetic systematics of crotaphytid lizards (Reptilia: Iguania: Crotaphytidae). Bulletin of Carnegie Museum of Natural History 32: 1-142.
• Merker, G. et al. 2004. Crotaphytus collaris - Collared Lizard. Reptilia (GB) (33): 39-42.
• Montanucci, R. R.;Axtell, R. W.;Dessauer, H. C. 1975. Evolutionary divergence among collared lizards (Crotaphytus), with comments on the status of Gambelia. Herpetologica 31 (3): 336-347.
• Pianka, E.R. & Vitt, L.J. 2003. Lizards - Windows to the Evolution of Diversity. University of California Press, Berkeley, 347 pp. [review in Copeia 2004: 955].
• Rzedowski, J. 1994. Vegetación de México. LIMUSA. México.
• Say, T. 1823. In James, E. Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819, '20, by order of the Hon. J. C. Calhoun, Secretary of War, under the command of Major Stephen H. Long. Vol. 2. Philadelphia, H. C. Carey & I. Lea.
• Schmidt, Karl Patterson. 1922. The Amphibians and Reptiles of Lower California and the Neighboring Islands. Bull. Amer. Mus. Nat. Hist. 46 (11): 607-707.
• Schumacher, R. 2002. Halsbandleguane. Lebensweise, Haltung, Zucht. Herpeton-Verlag, Offenbach, 138 pp.
• Schumacher, R. A. H. 1998. Die kontinuierliche Zucht des Halsbandleguans Crotaphytus collaris (SAY 1823) im Terrarium, mit Hinweisen zur Unterartproblematik. Salamandra 34 (3): 193-218.
• Smith, H. M. 1971. Handbook of Lizards. Lizards of the United States and Canada. Cornell University Press. USA.
• Smith, H. M. y Taylor, E. H. 1950. An Annotated Checklist and Key to the Reptiles of México Exclusive of the Snakes. 199 (1-4). USA.
• Smith, H.M. 1935. Miscellaneous notes on Mexican lizards. Univ. Kansas Sci. Bull. 22: 119-156.
• Smith, Hobart M.;Leonard, Arthur B. 1934. Distributional records of reptiles and amphibians in Oklahoma. American Midland Naturalist 15: 190-196.
• Stebbins,R.C. 1985. A Field Guide to Western Reptiles and Amphibians, 2nd ed. Houghton Mifflin, Boston.
• Stejneger, L. 1890. Results of a biological survey of the San Francisco Mountain region and Desert of the Little Colorado, Arizona. Part V. Annotated list of reptiles and batrachians collected by Dr. C. Hart Merriam and Vernon Bailey on the San Francisco Mountain Plateau and Desert of the Little Colorado, Arizona, with descriptions of new species. North American Fauna, No. 3: 103-118.
• Stone, W., and J.A.G. Rehn. 1903. On the terrestrial vertebrates of portions of southern New Mexico and western Texas. Proceedings of the Academy of Natural Sciences of Philadelphia 55: 16-34. .
• Tanner, Vasco M.;Hayward, C. Lynn. 1934. A biological study of the La Sal Mountains, Utah report No. 1 (Ecology). Proceedings of the Utah Academy of Sciences, Arts, and Letters 11: 209-235.
• Taylor, Edward Harrison. 1938. Notes on the herpetological fauna of the Mexican state of Sonora. Univ. Kansas Sci. Bull. 24 (19): 475-503 [1936].
• Weiß, T. 2004. Pfelge, Haltung und Nachzucht des Östlichen Halsbandleguans, Crotaphytus collaris collaris (SAY 1823). Elaphe 12 (4): 47-55.
• Wilgers, D.J.; Horne, E.A.; Sandercock, B.K. & Volkmann, A.W. 2006. Effects of rangeland management on community dynamics of the herpetofauna of the Tall-grass Prairie [Flint Hills, Kansas/Oklahoma]. Herpetologica 62 (4): 378-388.
• de Grijs,P. 1899. Notes on the faculty of changing colour in reptiles. Ann. Mag. Nat. Hist. (7) 3: 396-402.