 They commonly hide in the attics of houses and on beaches.They often destroy gardens and landscaping.They seem to be fond of eating a native endangered plant, "Cordia globosa", and feeding on nickernut ("Caesalpinia") a primary food plant of the endangered Miami blue butterfly ("Cyclargus thomasi bethunebakeri"); additionally on Marco Island, green iguanas have been observed using the burrows of the Florida burrowing owl ("Athene cunicularia floridana"), a species of special concern, all of which can make them more of a serious threat to Florida's ecosystem than originally believed.