Chapter: (p.258) 18 Conservation of an Endangered Bahamian Rock Iguana, II Source: Iguanas Author(s): Ronald L. Carter William K. Hayes Publisher: University of California Press The vast majority of the 700+ Islands of The Bahamas are uninhabited, though certainly not devoid of life. Though, … 0000046117 00000 n 18,000 years ago during the last Ice Age and the sea level was much lower, many of the islands of the Bahamas were connected to each other and this species probably existed in an unbroken population,[2] the relict populations now inhabit Andros Island and the Exuma islands. ��`���28 0000026409 00000 n Our research has focused on one of nine species of West Indian rock iguanas, genus Cyclura.Three subspecies of the Bahamian endemic, Cyclura rileyi, are recognized.Some 500 individuals of the San Salvador Rock Iguana (Cyclura rileyi rileyi) persist on six tiny cays off of San Salvador Island.This taxon will benefit from continued research and a captive-breeding and “headstarting” project. The biggest threat posed on Bahamian Rock Iguanas is hunting as the Caribbean iguana is still regularly sought-after for human consumption. The most threatened Bahamian iguanas are the San Salvador iguanas. 0000001521 00000 n H��WˮeG ������\oOIR� �L8� ¹A�p���,/Wծs�Ę���{�]�W��v8��;��ۇ��N�? 0000014494 00000 n 0000027218 00000 n 2011. 0000025732 00000 n 0000061749 00000 n It is estimated less than 5,000 of them remain. An endangered subspecies of iguana called the Allen Cays rock iguana has drawn John Iverson, a biology professor from Earlham College in Indiana, to … BACKGROUND:The Andros Island rock iguana is classified as Endangered by the International Union for the Conservation of Nature (IUCN). Today it is illegal to hunt or harm any rock iguanas, and they can live up to 40 years in the wild. figginsi). 0000069081 00000 n Two subspecies are found in small, uninhabited islands on the Exuma Island chain in the central Bahamas; they are listed as Endangered and Critically Endangered by the International Union for Conservation of Nature (IUCN). These are found on low islands built from karst limestone plateaus. Tourists aren't the primary threat to Bahamian rock iguanas, however. 0000067216 00000 n This is one of many Northern Bahamian Rock Iguanas I encountered while island-hopping around the Exumas a couple years ago. [1], Mitochondrial DNA analysis by biologist Catherine Malone found its closest relatives to be Cyclura nubila on Cuba, and C. lewisi on Grand Cayman. Rock iguanas have long, straight tails and short, powerful limbs, which helps them climb trees and limestone formations. 0000067494 00000 n [1] Dogs prey upon juvenile and adult iguanas, hogs eat their eggs. 0000063935 00000 n 0000043562 00000 n [1], In 2004 the IUCN assessed the species as a whole to be "vulnerable", although each of the three subspecies were assessed as endangered. For more information about these iguanas, please see my Exuma Iguana Awareness page. 0000069557 00000 n Spiny-tailed iguanas are large omnivorous animals, and black spiny-tailed iguanas are the fastest running lizards, reaching speeds of up to 21 mph. Today it is illegal to harm or capture a Rock iguana. The Turks and Caicos rock iguana inhabits small cays, but has been reduced to less than 5% of its original range largely due to the introduction of predators. [1], In 2004 the IUCN listed the main threats to this lizard depended on the islands where the different subspecies came from; with the Andros Island population to be threatened by logging, infrastructure development, feral animals and fires set for agricultural or crab-hunting reasons. 0000038183 00000 n Conservation of an Endangered Bahamian Rock Iguana, I Conservation of an Endangered Bahamian Rock Iguana, I. [1], It was first described as a new species, Iguana cychlura, by Georges Cuvier in 1829. Feral animals which pose a threat to the iguanas are cats, dogs, hogs and goats. 0000107760 00000 n [2], This species, like other species of Cyclura, is sexually dimorphic; males are larger than females, and have more prominent femoral pores on their thighs which are used to release pheromones. 0000033153 00000 n Hines, KN. According to her C. lewisi, C. nubila and C. cychlura had diverged almost as much as each other, although she only used a single locus and a very small sample set of each species. The Andros Rock iguana is the largest iguana in The Bahamas and can attain a length of nearly fi ve to six feet. ... We hope our study generates awareness and appreciation of Bahamian iguanas and … 0000027889 00000 n Photographs by Bonnie Scott Edwards Illustrations by Anderson Atlas. trailer <<802B6492C05011DC91DB000A958D80F4>]>> startxref 0 %%EOF 64 0 obj<>stream 0000001743 00000 n TWO Bahamas National Trust park wardens having learned more about the rare and endangered Bahamian Rock Iguana, joined an international research team for … 0000028356 00000 n [5][6], This species only occurs in the southwestern Bahamas. [1], It lives in tropical dry forest, pine barrens, coastal coppice, mangrove and beach strand habitats. Threats to the species include habitat degradation, non-native species, illegal hunting and smuggling for the illicit pet trade. x�b``�e``Y�����^� Ȁ �,l@�q����?��Ypi����4 �``` � � >&N � It is ground-dwelling, although juveniles often climb into branches in the morning to bask and feed. 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