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
German interest in the Caribbean considered building a coaling station in the Caribbean, and proposed to purchase the island of Curaçao from the Netherlands. However Chancellor Bismarck was strongly opposed; he wanted to avoid difficulties with the U.S. and nothing happened. Bismarck was ousted from power in 1890 and German naval strategists again turned their attention to the Caribbean but failed to establish a naval base at Margarita Island (Venezuela). In the Venezuela Crisis of 1902–1903 the United Kingdom and Germany sent warships to blockade Venezuela after it defaulted on its foreign loan repayments. Germany intended to land troops and occupy Venezuelan ports, but U.S.