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
Providence Island Sign Language Providence Island Sign Language Providence Island Sign Language (also known as Provisle or "Providencia Sign Language") is a village sign language of the small island community of Providence Island in the Western Caribbean, off the coast of Nicaragua but belonging to Colombia. The island is about and the total population is about 5000, of which an unusual proportion are deaf (5 in 1,000). It is believed that the sign language emerged in the late 19th or early 20th century. Brief sociological studies have suggested that deaf people on the island are regarded as inferior in mental ability; hearing people do