Ctenosaura Defensor (Cope, 1866)
Ctenosaura defensor (Cope, 1866). The Yucatecan Spiny-tailed Iguana, a regional endemic in the Mexican Yucatan Peninsula, is distributed in the Tabascan Plains and Marshes, Karstic Hills and Plains of Campeche, and Yucatecan Karstic Plains regions in the states of Campeche, Quintana Roo, and Yucatán (Lee, 1996; Calderón-Mandujano and Mora-Tembre, 2004), at elevations from near “sea level to 100 m” (Köhler, 2008). In the original description by Cope (1866), the type locality was given as “Yucatán,” but Smith and Taylor (1950: 352) restricted it to “Chichén Itzá, Yucatán, Mexico.” This lizard has been reported to live on trees with hollow limbs, into which they retreat when approached (Lee, 1996), and individuals also can be found in holes in limestone rocks (Köhler, 2002). Lee (1996: 204) indicated that this species lives “mainly in the xeric thorn forests of the northwestern portion of the Yucatán Peninsula, although they are also found in the tropical evergreen forests of northern Campeche.” This colorful individual was found in low thorn forest 5 km N of Sinanché, in the municipality of Sinanché, in northern coastal Yucatán. Wilson et al. (2013a) determined its EVS as 15, placing it in the lower portion of the high vulnerability category. Its conservation status has been assessed as Vulnerable by the IUCN, and as endangered (P) by SEMARNAT. ' © Javier A. Ortiz-Medina 263 www.mesoamericanherpetology.com www.eaglemountainpublishing.com The Herpetofauna of the Mexican Yucatan Peninsula: composition, distribution, and conservation status VÍCTOR HUGO GONZÁLEZ-SÁNCHEZ1, JERRY D. JOHNSON2, ELÍ GARCÍA-PADILLA3, VICENTE MATA-SILVA2, DOMINIC L. DESANTIS2, AND LARRY DAVID WILSON4 1El Colegio de la Frontera Sur (ECOSUR), Chetumal, Quintana Roo, Mexico.
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