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Range DescriptionAccording to Sloane (1725), who visited the island in 1688, iguanas were once common in Jamaica although their distribution seems to have been restricted to the drier sections of the south coast. The Jamaican Iguana declined dramatically during the second half of the 19th century, probably due to the introduction of the Indian Mongoose (Herpestes javanicus [=auropunctatus]) in 1872, changing land use patterns, and human population growth. Today, the iguana survives only in the Hellshire Hills, a rugged limestone area with suitable habitat totalling 114 kmÂ². However, extensive surveying has shown that iguanas are only found near the central core area that is protected from mongoose (<10 kmÂ²). Despite the proximity to Jamaicaâs densely populated capital Kingston, the Hellshire Hills persist as a wilderness area because of its ruggedness and lack of surface water, making the area unsuitable for agriculture and large-scale settlement. The species was recorded to occur from sea level up to 200 m.