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
Coast Guard Island War II. The island is situated in the historic Brooklyn Basin, now known as Embarcadero Cove. It is within Alameda city limits, but is tied to land only via a bridge from Dennison Street in Oakland. The Island houses a number of U.S. Coast Guard commands and its facilities are managed by Base Alameda. Tenant commands include: It is also the homeport for four Legend-class cutters: Base Alameda also houses and supports a number of other Coast Guard commands with detachments or regional offices located on the island, including: Detachment Alameda Coast Guard Engineering Support Unit Alameda (ESU Alameda) and