{"elementGlobalId":106096,"circumscripConfidence":{"id":1,"circumscripConfidenceDescEn":"1 - Strong","circumscripConfidenceDescEs":"1 - Fuerte","circumscripConfidenceDescFr":"1 – Forte"},"classificationLevel":{"id":7,"classificationLevelNameEn":"Species","classificationLevelNameEs":"Especies","classificationLevelNameFr":"Espèce"},"classificationStatus":{"id":1,"classificationStatusDescEn":"Standard","classificationStatusDescEs":"Estándar","classificationStatusDescFr":"Standard"},"iucn":{"id":11,"iucnDescEn":"Least concern","iucnDescEs":"Menos preocupante","iucnDescFr":"Moins préoccupante","iucnCode":"LC"},"nameCategory":{"id":1,"nameCategoryDescEn":"Vertebrate Animal","nameCategoryDescEs":"Animal vertebrado","nameCategoryDescFr":"Animal vertébré","nameTypeCd":"A","nameTypeDesc":"Zoological"},"rankMethodUsed":null,"formattedScientificName":"<i>Dipsosaurus dorsalis</i>","scientificName":"Dipsosaurus dorsalis","scientificNameAuthor":"(Baird and Girard, 1852)","primaryCommonName":"Desert Iguana","relatedItisNames":"<i>Dipsosaurus dorsalis</i> (Baird and Girard, 1852) (TSN 173921)","uniqueId":"ELEMENT_GLOBAL.2.106096","elcode":"ARACF06010","conceptRefFullCitation":"de Queiroz, K. 1995. Checklist and key to the extant species of Mexican iguanas (Reptilia: Iguaninae). Publicationes Especiales del Museo de Zoologia, Universidad Nacional Autonoma de Mexico 9:1-48.","conceptName":"<i>Dipsosaurus dorsalis</i>","taxonomicComments":"Valdivia-Carillo et al. (2017) presented evidence for three populations of <i>Dipsosaurus dorsalis</i> along the peninsula of Baja California, with gene flow between them. They did not include samples from the United States, mainland Mexico, or islands in the Gulf of California, nor did they propose any taxonomic changes (Nicholson 2025).","roundedGRank":"G5","conservationStatusFactorsEditionDate":"2005-06-24","conservationStatusFactorsEditionAuthors":"Hammerson, G.","primaryCommonNameLanguage":"EN","recordType":"SPECIES","elementNationals":[{"elementNationalId":167908,"classifConfidence":null,"nation":{"id":225,"nameEn":"United States","nameEs":"Estados Unidos","nameFr":"États-Unis","isoCode":"US","region":"United States"},"roundedNRank":"N5","elementSubnationals":[{"elementSubnationalId":357842,"subnation":{"id":6,"nameEn":"Arizona","nameEs":"Arizona","nameFr":"Arizona","subnationCode":"AZ","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":357842,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":331505,"subnation":{"id":40,"nameEn":"Nevada","nameEs":"Nevada","nameFr":"Nevada","subnationCode":"NV","dnationId":225},"roundedSRank":"S3","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S3","speciesSubnational":{"elementSubnationalId":331505,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":394771,"subnation":{"id":7,"nameEn":"California","nameEs":"California","nameFr":"Californie","subnationCode":"CA","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":394771,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":373148,"subnation":{"id":52,"nameEn":"Utah","nameEs":"Utah","nameFr":"Utah","subnationCode":"UT","dnationId":225},"roundedSRank":"SH","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SH","speciesSubnational":{"elementSubnationalId":373148,"hybrid":false,"exotic":false,"native":true}}],"nrankReviewYear":1996,"nrank":"N5","speciesNational":{"elementNationalId":167908,"exotic":false,"native":true}}],"lastModified":"2026-10-02T21:47:20.083189Z","lastPublished":"2026-10-02T21:32:08.892226Z","promotionalDescription":null,"conceptLineageSummary":null,"nsxUrl":"/Taxon/ELEMENT_GLOBAL.2.106096/Dipsosaurus_dorsalis","grankAdjustmentReasons":null,"grankChangeDate":"1996-10-28","grankReviewDate":"2005-06-24","grankReasons":null,"grank":"G5","rankInfo":{"elementGlobalId":106096,"aooPercentGood":null,"enviromentalSpecificity":null,"intrinsicVulnerability":{"id":4,"intrinsicVulnerabilityDescEn":"Moderately vulnerable","intrinsicVulnerabilityDescEs":"Moderadamente vulnerable","intrinsicVulnerabilityDescFr":"Moyennement vulnérable"},"longTermTrend":{"id":38,"longTermTrendDescEn":"Decline of <30% to increase of 25%","longTermTrendDescEs":"Disminución de <30% a aumento de 25%.","longTermTrendDescFr":"Diminution de <30 % à augmentation de 25 %"},"numberEos":{"id":13,"numberEosDescEn":"81 - 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The range in the United States coincides closely with that of creosote bush (Stebbins 2003). Elevational range extends from below sea level in desert sinks to about 1,520 meters (5,000 feet) (Stebbins 2003).","areaOfOccupancy":null,"areaOfOccupancyComments":null,"numberEosComments":"This species is represented by hundreds of collection sites throughout the range in the United States and Mexico (e.g., see Hulse 1992).","popSizeComments":"Total adult population size is unknown but likely exceeds 100,000. This lizard is very common in northeastern Baja California (Grismer 2002) and in similar creosote bush desert habitats in southeastern California and southwestern Arizona.","viabilityComments":null,"threatImpactComments":"In some areas, habitat has been lost or degraded as a result of conversion to human uses (agriculture, commerical and residential development, road construction). Populations along busy highways presumably have been reduced as a result of road mortality. 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C. 1993. Relationship of space use to population density in an herbivorous lizard. Herpetologica 49:469-479.","shortCitationAuthor":"Alberts","shortCitationYear":1993,"referenceCode":"A93ALB01NAUS","lastModified":"2020-02-25T18:26:32.769997Z"},{"id":137372,"citation":"Behler, J. L., and F. W. King. 1979. The Audubon Society field guide to North American reptiles and amphibians. Alfred A. Knopf, New York. 719 pp.","shortCitationAuthor":"Behler and King","shortCitationYear":1979,"referenceCode":"B79BEH01NAUS","lastModified":"2020-02-25T14:38:24.173666Z"},{"id":137880,"citation":"Collins, J. T. 1990. Standard common and current scientific names for North American amphibians and reptiles. 3rd ed. Society for the Study of Amphibians and Reptiles. Herpetological Circular No. 19. 41 pp.","shortCitationAuthor":"Collins","shortCitationYear":1990,"referenceCode":"B90COL01NAUS","lastModified":"2020-02-25T14:38:15.579798Z"},{"id":621810,"citation":"Crother, B. I. (editor). 2008. Scientific and standard English names of amphibians and reptiles of North America north of Mexico, with comments regarding confidence in our understanding. Sixth edition. Society for the Study of Amphibians and Reptiles Herpetological Circular 37:1-84. Online with updates at: http://www.ssarherps.org/pages/comm_names/Index.php","shortCitationAuthor":"Crother","shortCitationYear":2008,"referenceCode":"B08CRO01NAUS","lastModified":"2020-02-25T14:38:20.142383Z"},{"id":722484,"citation":"Crother, B. I. (editor). 2012. Scientific and standard English names of amphibians and reptiles of North America north of Mexico, with comments regarding confidence in our understanding. 7th edition. SSAR Herpetological Circular 39:1-92.","shortCitationAuthor":"Crother","shortCitationYear":2012,"referenceCode":"B12CRO01NAUS","lastModified":"2020-02-25T18:11:51.08501Z"},{"id":943912,"citation":"Crother, B. I. (editor). 2017. Scientific and standard English names of amphibians and reptiles of North America north of Mexico, with comments regarding confidence in our understanding. 8th edition. SSAR Herpetological Circular 43:1-104. [Updates in SSAR North American Species Names Database at: https://ssarherps.org/cndb]","shortCitationAuthor":"Crother","shortCitationYear":2017,"referenceCode":"B17CRO01EHUS","lastModified":"2020-02-25T18:11:53.413199Z"},{"id":721387,"citation":"de Queiroz, K. 1995. Checklist and key to the extant species of Mexican iguanas (Reptilia: Iguaninae). Publicationes Especiales del Museo de Zoologia, Universidad Nacional Autonoma de Mexico 9:1-48.","shortCitationAuthor":"de Queiroz","shortCitationYear":1995,"referenceCode":"A95DEQ01NAUS","lastModified":"2025-12-05T23:04:39.147143Z"},{"id":463781,"citation":"Grismer, L. L. 2002. Amphibians and reptiles of Baja California including its Pacific islands and islands in the Sea of Cortes.  University of California Press, Berkeley. xiii + 399 pp.","shortCitationAuthor":"Grismer","shortCitationYear":2002,"referenceCode":"B02GRI01NAUS","lastModified":"2020-02-25T18:11:51.08501Z"},{"id":101580,"citation":"Hulse, A. C. 1992. <i>Dipsosaurus dorsalis</i>. Cat. Am. Amph. Rept. 542.1-542.6.","shortCitationAuthor":"Hulse","shortCitationYear":1992,"referenceCode":"A92HUL01NAUS","lastModified":"2020-02-25T18:26:32.754408Z"},{"id":158277,"citation":"Krekorian, C. O'Neil. 1977. Homing in the desert iguana, <i>Dipsosaurus dorsalis</i>. Herpetologica 33:123-127.","shortCitationAuthor":"Krekorian","shortCitationYear":1977,"referenceCode":"A77KRE01NAUS","lastModified":"2020-02-25T18:26:32.754408Z"},{"id":115362,"citation":"Krekorian, C. O'Neil. 1983. Population density of the desert iguana, <i>Dipsosaurus dorsalis</i> (Reptilia: Iguanidae), in southern California. Copeia 1983:268-271.","shortCitationAuthor":"Krekorian","shortCitationYear":1983,"referenceCode":"A83KRE01NAUS","lastModified":"2020-02-25T18:26:32.754408Z"},{"id":150598,"citation":"Krekorian, C. O'Neil. 1984. Life history of the desert iguana, <i>Dipsosaurus dorsalis</i>. Herpetologica 41:415-424.","shortCitationAuthor":"Krekorian","shortCitationYear":1984,"referenceCode":"A84KRE01NAUS","lastModified":"2020-02-25T18:26:32.754408Z"},{"id":235656,"citation":"Lamb, T., T. R. Jones, and J. C. Avise. 1992. Phylogenetic histories of representative herpetofauna of the southwestern U.S.: mitochondrial DNA variation in the desert iguana (<i>Dipsosaurus dorsalis</i>) and the chuckwalla (<i>Sauromalus obesus</i>). Journal of Evolutionary Biology 5:465-480.","shortCitationAuthor":"Lamb et al.","shortCitationYear":1992,"referenceCode":"A92LAM03NAUS","lastModified":"2020-02-25T18:17:19.730435Z"},{"id":1153425,"citation":"Nicholson, K. E. (ed.). 2025. Scientific and Standard English Names of Amphibians and Reptiles of North America North of Mexico, with Comments Regarding Confidence in Our Understanding. Ninth Edition. Society for the Study of Amphibians and Reptiles. 87 pp. Online database available at: https://cnah.org/SSARnames.aspx","shortCitationAuthor":"Nicholson","shortCitationYear":2025,"referenceCode":"B25NIC01NAUS","lastModified":"2026-06-06T01:36:32.018241Z"},{"id":158278,"citation":"Parker, W. S. 1972. Notes on <i>Dipsosaurus dorsalis</i> in Arizona. Herpetologica 28:226-229.","shortCitationAuthor":"Parker","shortCitationYear":1972,"referenceCode":"A72PAR03NAUS","lastModified":"2020-02-25T18:26:32.769997Z"},{"id":144435,"citation":"Stebbins, R. C. 1985a. A field guide to western reptiles and amphibians. Second edition. Houghton Mifflin Company, Boston, Massachusetts. xiv + 336 pp.","shortCitationAuthor":"Stebbins","shortCitationYear":1985,"referenceCode":"B85STE01NAUS","lastModified":"2020-02-25T18:11:51.08501Z"},{"id":266629,"citation":"Stebbins, R. C. 2003. A field guide to western reptiles and amphibians. Third edition. Houghton Mifflin Company, Boston.","shortCitationAuthor":"Stebbins","shortCitationYear":2003,"referenceCode":"B03STE01NAUS","lastModified":"2020-02-25T18:11:51.08501Z"},{"id":1167990,"citation":"Valdivia-Carrillo, T., F. J. García-De León, M. Carmen Blázquez, C. Gutiérrez-Flores, and P. González Zamorano. 20107. Phylogeography and ecological niche modeling of the desert iguana (<i>Dipsosaurus dorsalis</i>, Baird & Girard 1852) in the Baja California Peninsula. 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