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BiologyThe breeding season usually occurs between March and April (2), with courtship and mating usually commencing in January (7). Crested iguanas have one of the longest incubation periods of any reptile (over eight months) and females guard the nest, which contains around four eggs, during this time (5). Hatchlings emerge from their eggs in the rainy season and obtain moisture by licking wet leaves (5). Crested iguanas are herbivorous feeding on trees and shrubs, particularly hibiscus flowers of the Vau tree (Hibiscus tiliaceus) (5).