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Salvator rufescens (GÜNTHER, 1871)

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Higher TaxaTeiidae, Tupinambinae, Gymnophthalmoidea, Sauria, Squamata (lizards)
Common NamesE: Red Tegu
G: Roter Teju 
SynonymTeius rufescens GÜNTHER 1871: 541
Tupinambis rufescens — BOULENGER 1885: 335
Tupinambis rufescens — PETERS & DONOSO-BARROS 1970
Tupinambis rufescens — PRESCH 1973: 743
Tupinambis teguixin sebastiani MÜLLER (fide PRESCH 1973)
Tupinambis rufescens — CEI 1993
Tupinambis rufescens — DIRKSEN & DE LA RIVA 1999
Tupinambis rufescens — SCROCCHI et al. 2010: 200
Salvator rufescens — HARVEY et al. 2012
Tupinambis rufescens — AVILA et al. 2013
Salvator rufescens — AVILA et al. 2021 
DistributionW Argentina (Chaco, La Rioja, San Juan [HR 31: 185], Mendoza, Córdoba, San Luis, La Pampa), Paraguay, Bolivia (Beni, Santa Cruz, Tarija)

Type locality: Mendoza, Argentina  
TypesLectotype: BMNH 
DiagnosisDiagnosis: (1) max. SVL 614 mm, (2) two loreal scales, (3) 7-20 total femoral pores, (4) 121-151 dorsals, (5) 130-187 scales around midbody, (6) 13-20 fourth finger lamellae, (7) scales on nape of same size as dorsals, (8) dorsal scales smooth, (9) row of scales between mentals and infralabials present, (10) temporals smaller than dorsals, (11) 25-34 prefemorals (after PÉRES & COLLI 2004). 
CommentSimilar species: T. duseni

Distribution: Not in Brazil (Parana) fide COSTA & BERNILS 2015. 
EtymologyNamed after the present participle of the Latin “rufescere”, which means “to become reddish”. 
  • AVILA, LUCIANO JAVIER; LORENA ELIZABETH MARTINEZ & MARIANA MORANDO 2013. Checklist of lizards and amphisbaenians of Argentina: an update. Zootaxa 3616 (3): 201–238 - get paper here
  • Avila, Luciano Javier; Martín Miguel Femenías, Cristian Hernán Fulvio Pérez, Mariana Morando 2021. Nuevas especies de Liolaemus para la herpetofauna de la provincia de La Rioja, Argentina. Cuadernos de Herpetología 35 (S1): 223-228
  • Bonetti, Mathilde 2002. 100 Sauri. Mondadori (Milano), 192 pp. - get paper here
  • Boulenger, G.A. 1885. Catalogue of the lizards in the British Museum (Natural History). Vol. 2, Second edition. London, xiii+497 pp. - get paper here
  • Cacciali, Pier; Norman J. Scott, Aida Luz Aquino Ortíz, Lee A. Fitzgerald, and Paul Smith 2016. The Reptiles of Paraguay: Literature, Distribution, and an Annotated Taxonomic Checklist. SPECIAL PUBLICATION OF THE MUSEUM OF SOUTHWESTERN BIOLOGY, NUMBER 11: 1–373 - get paper here
  • Castillo, G; Gonzalez, C J & Acosta, J C 2018. Salvator rufescens (Argentine Red Tegu) Diet. Herpetological Review 49 (3): 539-540 - get paper here
  • Cooper, W.E., Jr. 1990. Prey odor detection by teiid and lacertid lizards and their relationship of prey odor detection to foraging mode in lizard families Copeia 1990 (1): 237-242. - get paper here
  • Dirksen, L. & De la Riva, I. 1999. The lizards and amphisbaenians of Bolivia (Reptilia, Squamata): checklist, localities, and bibliography. Graellsia 55: 199-215 - get paper here
  • Fitzgerald, Lee A., Joseph A. Cook and A. Luz Aquino 1999. Molecular phylogenetics and conservation of Tupinambis (Sauria: Teiidae). Copeia 1999 (4): 894-905 - get paper here
  • Gallardo, J.M. 1972. Composicion faunistica de los saurios de la Provincia de la Pampa, Republica Argentina. Neotropica 17 (52): 44-48
  • Gallardo, Jose M. 1966. Liolaemus lentus nov. Sp. (Iguanidae) de la Pampa y Algunas observaciones sobre los saurios de picha provincia Argentina y del oeste de Buenos Aires. Neotropica 12 (37): 15-29
  • Gallardo, José M. 1969. Las especies de saurios (Reptilia) de la Provincia de Santa Fe, Argentina, y consideraciones sobre su ecologia y zoogeografia. Neotropica 15 (47): 73-81
  • García-Valdez, María Valeria; Silvia Chamut, Graciela A. Jahn, Osvaldo E.A. Arce, and Mario E. Manes 2016. Plasmatic Estradiol and Progesterone Variations During the Reproductive Cycle of Captive Female Argentine Red Tegu Lizards, Tupinambis rufescens. Herp. Cons. Biol. 11 (3): - get paper here
  • Günther, A. 1871. Description of a new species of Tejus (Tejus rufescens) from Mendoza. Proc. Zool. Soc. London 1871: 541-543 - get paper here
  • Günther, Albert 1882. Observations on some rare Reptiles and a Batrachian now or lately living in the Society's Menagerie. Transactions of the Zoological Society of London 11 (7): 215-222, 5 plates (2 in color)
  • HARVEY, MICHAEL B.; GABRIEL N. UGUETO & RONALD L. GUTBERLET, Jr. 2012. Review of Teiid Morphology with a Revised Taxonomy and Phylogeny of the Teiidae (Lepidosauria: Squamata). Zootaxa 3459: 1–156 - get paper here
  • Jansen, M. & Köhler, G. 2010. Reptilia, Squamata, Amphisbaenidae, Amphisbaena cegei Montero, 1997, and Reptilia, Squamata, Teiidae, Tupinambis rufescens (Günther, 1871): Vertical range extension. Check List 6 (4): 503-504 - get paper here
  • Jarnevich, C. S., Hayes, M. A., Fitzgerald, L. A., Yackel Adams, A. A., Falk, B. G., Collier, M. A. M., … Reed, R. N. 2018. Modeling the distributions of tegu lizards in native and potential invasive ranges. Scientific Reports, 8(1), 10193 - get paper here
  • Kacoliris F.P.; Berkunsky I. & Williams J. 2006. Herpetofauna of Impenetrable, Argentinean Great Chaco. Phyllomedusa 5 (2): 149-158 - get paper here
  • López Juri, Guadalupe; Sergio Naretto, Ana Carolina Mateos, Margarita Chiaraviglio, and Gabriela Cardozo 2015. Influence of Life History Traits on Trophic Niche Segregation between Two Similar Sympatric Tupinambis Lizards. South American J. Herp. 10 (2): 132-142. - get paper here
  • Manzani, Paulo Roberto & Abe, Augusto Shinya 2002. A new species of Tupinambis Daudin, 1803 from Southeastern Brazil (Squamata, Teiidae). Arquivos do Museu Nacional Rio de Janeiro 60 (4): 295-302
  • Meier,H. 1983. Beobachtungen an einigen Teiden aus dem bolivianischen Chaco [Ameiva ameiva, Teius cyanogaster, Cnemidophorus ocellifer, Pantodactylus schreibersii, Tupinambis rufescens]. Herpetofauna 5 (26): 30-34 - get paper here
  • Montaño, Rossy R.; Rosa Leny Cuéllar, Lee A. Fitzgerald, Florencio Mendoza, Filemón Soria, Christine V. Fiorello, Sharon L. Deem, and Andrew J. Noss 2013. Activity and Ranging Behavior of the Red Tegu Lizard Tupinambis rufescens in the Bolivian Chaco. South American J. Herp. 8 (2): 81-88. - get paper here
  • Peracca, M. G. 1897. Rettili e Anfibi. Viaggio del Dott. Alfredo Borelli nel Chaco boliviano e nella Repubblica Argentina. Bollettino dei Musei di Zoologia ed Anatomia Comparata della R. Università di Torino, 12 (274): 1-19. - get paper here
  • Péres, Jr., A. K. and G. R. Colli 2004. The Taxonomic Status of Tupinambis Rufescens and T. Duseni (Squamata: Teiidae), with a Redescription of the Two Species. Occasional Papers of the Sam Noble Oklahoma Museum of Natural History. 15:1-12.
  • Pérez-Iglesias, Juan Manuel; Jofré, Laura E.; Rueda, Marta Patricia 2017. Primeros registros de la herpetofauna en dos areas naturales protegidas de la provincia de Santiago del Estero (Argentina). Cuad. herpetol. 32 (1): 49-57 - get paper here
  • Presch,W. 1973. A review of the tejus lizard genus Tupinambis (Sauria: Teiidae) from South America. Copeia 1973 (4): 740-746 - get paper here
  • Rese, R. 1983. Die Grosstejus der Gattung Tupinambis. Sauria 5 (2): 15-17 - get paper here
  • Scott, Norman J.;Lovett, Jonny Wayne 1975. A collection of reptiles and amphibians from the Chaco of Paraguay. The University of Connecticut Occasional Papers, Biological Series 2 (16): 257-266
  • Taylor, J.F. 2003. Genus Tupinambis. Tegus. Reptilia (GB) (27): 43-49 - get paper here
  • Vinke, T. & Vinke, S. 2010. Der Rote Teju, Tupinambis rufescens. Reptilia (Münster) 15 (83): 34-38 - get paper here
  • Vinke, Thomas; Sabine Vinke 2019. Decline in the Population of the Red Tegu, Salvator rufescens (Günther, 1871): Preliminary Results of a Threats Analysis. Russ. J. Herpetol. 26 (3): 123-134 - get paper here
  • Werning, H. 2004. Planung und Bau eines Reptilienzoos: “Reptilium - Terrarien- und Wüstenzoo” in Landau entsteht. Reptilia (Münster) 9 (48): 80-85 - get paper here
  • Werning, H. 2007. Ferien auf dem Bauernhof - Die Agamenfarm “Agama International Inc.” von Bert Langerwerf. Reptilia (Münster) 12 (68): 75-84 - get paper here
  • Winchell, S. 2010. Die Reptilien Argentiniens. Reptilia (Münster) 15 (83): 20-27 - get paper here
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