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Ctenosaura bakeri STEJNEGER, 1901

IUCN Red List - Ctenosaura bakeri - Critically Endangered, CR

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Higher TaxaIguanidae, Iguania, Sauria, Squamata (lizards)
Common NamesE: Utila Spiny-tailed Iguana, Baker's Spinytail Iguana
G: Utila-Leguan 
SynonymCtenosaura bakeri STEJNEGER 1901
Ctenosaura bakeri — BAILEY 1928: 38
Enyaliosaurus bakeri — MEYER & WILSON 1973
Ctenosaura bakeri — WILSON & HAHN 1973
Ctenosaura bakeri — KÖHLER 2000: 75
Ctenosaura (Loganiosaura) bakeri — KÖHLER et al. 2000
Ctenosaura bakeri — MCCRANIE 2018 
DistributionUtilla Island (off the northern coast of Honduras)
according to Villa et al. restricted to Islas de la Bahia (Honduras)

Type locality: Utilla Island, Honduras  
TypesHolotype: USNM 26317, male 
DiagnosisDiagnosis: BAILEY 1928: 38 
CommentHybridization: KÖHLER & BLINN (2000), GUTSCHE & KÖHLER (2004), and SCHULTE (2007) present evidence for natural hybridization of C. bakeri and C. similis.

Diet: C. bakeri has been observed eating other lizards including I. iguana and Hemidactylus frenatus [DIRKSEN & GUTSCHE 2006].

Distribution: Does not occur on other islands such as Santa Elena, Bonacca I, Roatan I (L. DIRKSEN, pers. comm.)

Abundance: only known from the type locality (Meiri et al. 2017). 
Etymologynamed after Frank Baker, former superintendent of the National Zoological Park in Washington, DC, where the holotype and paratype lived just prior to their death and the subsequent description of the species. 
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  • Binn, E. 2014. Utila - Neues vom Swamper bzw. einer swampine. Iguana 27 (2): 29-32
  • Boonman, John 2002. The Utila Spiny-Tailed Iguana, Ctenosaura bakeri, in its natural habitat and in captivity Podarcis 3 (2): 43-58 - get paper here
  • Buckley, Larry J.; Kevin de Queiroz, Tandora D. Grant, Bradford D. Hollingsworth, John B. Iverson (Chair, <br />Stesha A. Pasachnik, and Catherine L. Stephen (Iguana Taxonomy Working Group, ITWG 2016. A Checklist of the Iguanas of the World (Iguanidae; Iguaninae). Herp. Cons. Biol. 11 (Monograph 6) - get paper here
  • de Queiroz K 1990. Ctenosaura bakeri Stejneger. Utila Island spiny-tailed iguana. Catalogue of American Amphibians and Reptiles ( 465: 1-2 - get paper here
  • Diener, E. 2007. Die Erdspitznatter Oxybelis aeneus und die Lianennatter Leptophis mexicanus als Prädatoren der Schwarzleguane Ctenosaura similis und C. bakeri. Elaphe 15 (3): 59-62
  • Dirksen, L. 2004. Beobachtung eines Paarungsversuchs zwischen einem Hybrid-Männchen (Ctenosaura bakeri x similis) mit einem Iguana iguana-Weibchen. Iguana Rundschreiben 17 (2): 15-17
  • Dirksen, L. & Gutsche, A. 2006. Beobachtungen zur Saurophagie bei Ctenosaura bakeri (Squamata: Iguanidae). Elaphe 14 (3): 51-52
  • Dirksen, L.; Blome, T.; Pérez, H. & Köhler, G. 2004. Zur Nachzucht des Utila-Schwarzleguans (Ctenosaura bakeri) bei unterschiedlichen Inkubationstemperaturen in der Iguana Research and Breeding Station im Jahr 2004. Iguana Rundschreiben 17 (2): 7-13
  • Eisenberg, T. 2004. Prevention rather than treatment - avoiding health problems associated with captive maintenance. Reptilia (GB) (33): 12-20 - get paper here
  • Faulkner, S., Belal, N., Pasachnik, S. A., Bursey, C. R. & Goldberg, S. R. 2012. Ctenosaura bakeri (Utila spiny-tailed iguana). Herpetological Review 43: 332 - get paper here
  • Gutsche, A. 2003. Utila Island Swampers. Iguana 10 (2): 28–29
  • Gutsche, A. 2005. Ctenosaura bakeri (Utila Spiny-tailed Iguana). Predation. Herpetological Review 36 (3): 317 - get paper here
  • Gutsche, A. 2005. Distribution and habitat utilization of Ctenosaura bakeri on Utila. Iguana 12(3): 142–151
  • Gutsche, A. 2006. Population structure and reproduction in Ctenosaura bakeri on Isla de Utila. Iguana 13(2): 109–115
  • Gutsche, A. 2010. Mehrere Amphibien- und Reptilienarten neu in das Washingtoner Artenschutzabkommen (CITES) aufgenommen. Reptilia (Münster) 15 (83): 3-8 - get paper here
  • Gutsche, A. & Köhler, G. 2004. A fertile hybrid between Ctenosaura similis (GRAY 1831) and C. bakeri STEJNEGER 1901 (Squamata: Iguanidae) on Isla de Utila, Honduras. Salamandra 40 (3-4): 201-206 - get paper here
  • Gutsche, A. & Streich, W.J. 2009. Demography and Endangerment of the Utila Island Spiny-Tailed Iguana, Ctenosaura bakeri. Journal of Herpetology 43 (1): 105–113 - get paper here
  • Gutsche, Alexander; Frank Köhler 2008. Phylogeography and hybridization in Ctenosaura species (Sauria, Iguanidae) from Caribbean Honduras: insights from mitochondrial and nuclear DNA. Zoosystematics and Evolution 84 (2): 245-253 - get paper here
  • Gutsche, Alexander; Mutschmann, Frank; Streich, Wolf Jurgen; Kampen, Helge 2012. Ectoparasites in the endangered Utila spiny-tailed iguana (Ctenosaura bakeri). The Herpetological Journal 22 (3): 157-161 - get paper here
  • Hallmen, M. & Hallmen, S. 2011. Notiz über eine Beobachtung zur Saurophagie beim Utila-Schwarzleguan Ctenosaura bakeri. Elaphe 19 (3): 11-13 - get paper here
  • Hallmen, S. 2011. Neues aus Utila - reloaded. Iguana Rundschreiben 24 (2): 5-16 - get paper here
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  • Köhler, G. 1998. Schutz- und Forschungprojekt Utila-Schwarzleguan: Die Nachzucht von Ctenosaura bakeri STEJNEGER 1901 im ex-situ-Zuchtprogramm. Salamandra 34 (3): 227-238 - get paper here
  • Köhler, G. 1998. Ctenosaura bakeri STEJNEGER, 1901. Sauria 20 Suppl.: 417–420 - get paper here
  • Köhler, G. 2000. Reptilien und Amphibien Mittelamerikas, Bd 1: Krokodile, Schildkröten, Echsen. Herpeton Verlag, Offenbach, 158 pp.
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  • Köhler,G. & Blinn,E. 2000. Natürliche Bastardierung zwischen Ctenosaura bakeri und Ctenosaura similis auf UItila, Honduras. Salamandra 36 (1): 77-79 - get paper here
  • Malone, Catherine L.; Víctor Hugo Reynoso, Larry Buckley 2017. Never judge an iguana by its spines: Systematics of the Yucatan spiny tailed iguana, Ctenosaura defensor (Cope, 1866). Molecular Phylogenetics and Evolution 115: 27-39 - get paper here
  • MARYON, DAISY F.; TOM W. BROWN & DAVID C. LEE. 2021. CTENOSAURA BAKERI (Utila Spiny-tailed Iguana). DIET. Herpetological Review 52 (2): 404–405. - get paper here
  • Maryon, Daisy; Tom W. Brown, and David C. Lee 2020. Love thy neighbor: Predation of a Utila Spiny-tailed Iguana (Ctenosaura bakeri) by a Common Spiny-tailed Iguana (C. similis) on Utila Island, Honduras IRCF Reptiles & Amphibians 27 (1): 84–86 - get paper here
  • Maryon, Daisy; Tom W. Brown, David C. Lee 2020. Predation of a Utila Spiny-tailed Iguana, Ctenosaura bakeri (Iguanidae), by a Central American Boa, Boa imperator (Boidae), on Utila, Isla de la Bahia, Honduras. IRCF Reptiles & Amphibians 27 (2): 265-266 - get paper here
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