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BiologyHispaniolan ground iguanas dig separate soil burrows for shelter and nesting, which they continue to expand over time, although hollow tree trunks and rock cavities are also used when soil is unavailable. Females reach sexual maturity at approximately 2-3 years and breeding takes place once a year. Egg-laying is precisely timed to coincide with the first rainy season from May to June, with anything from 2-18 eggs laid per clutch, with an average of 11. Incubation lasts 95-100 days, after which hatching takes place in synchrony with the second rainy season from September to October (4). Although insects and crustaceans will be taken on an opportunistic basis, Hispaniolan ground iguanas predominantly feed on a variety of plants and plant parts (1).