In this undated photograph provided by the Cayman Islands Department of Tourism, a free-roaming adult male blue iguana stands in the Queen Elizabeth II Botanic Park on Grand Cayman. Roughly 700 blue iguanas breed and roam free in protected woodlands on the eastern side of Grand Cayman in the western Caribbean that is the only place where the critically endangered animals are found in the wild. (AP Photo/Will Burrard-Lucas, Cayman Islands Department of Tourism)