Video: Endangered ocean animals making a comeback

Many species of sea turtles, sharks, whales, manatees and sawfish are endangered — and it's not predators that are causing their decline, it's humans. These species all play an important role in keeping the ocean ecosystem healthy, and they need our help. Learn how people around the world are helping endangered ocean animals make a comeback in our six-part Every Full Moon video series, "Endangered Ocean" from NOAA Ocean Today.