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
Owey Island school, which closed in 1971; its remains are still there. It had just one teacher in charge of the primary education of all ages, while for their secondary education children had to be sent to the mainland. Owey Island Owey Island ( ) is an island of the Atlantic Ocean belonging to County Donegal, Ireland. The island is around 300 acres (1.2 square kilometres) in area. It lies off the Donegal coast near Kincasslagh. The island's highest hill, Moylemore, is at 102 m. The buildings of the island are located on its southern part, being the northern one rocky and