Wild Caribbean reef fish anywhere in the Caribbean. The final island to be featured is Trinidad, cut off from South America by rising sea levels 2,000 years ago. Its island fauna include many mainland species such as red howler monkeys, capuchins and scarlet ibis. Coral reefs, which thrive in the warm, shallow waters around Caribbean Islands, are the subject of the second programme. Hard corals are the reef-builders, and grow their tough external skeletons by extracting nutrients from algae growing within them. Time-lapse footage shows coral polyps emerging at night to trap drifting plankton. Marine life featured includes Caribbean reef squid, octopus
Millerand Island base, which is five kilometres away on the Barry Island. The refuge consists of a red hut, used by the personnel employed in the missions carried out in the area, and has a capacity to accommodate four people, enough food for two weeks, fuel, gas and first aid kit. The island was mapped geologically in 1958 and 1959 by Keith Hoskins, a British geologist based on nearby Stonington Island. Millerand Island Millerand Island is a high rugged island in diameter, lying south of Cape Calmette, off the west coast of Graham Land. It was discovered by the French Antarctic Expedition