Only 600 Lahille's bottlenose dolphins are left in the wild. But Brazilian biologist, Pedro Fruet, is working to change that. By collaborating with local communities and fishermen, his work is helping to prevent the dolphins' extinction. Subscribe: http://bit.ly/BBCEarthSub #BBCEarth #ReportsFromTheFrontline #bottlenosedolphin Watch more: Planet Earth http://bit.ly/PlanetEarthPlaylist Blue Planet http://bit.ly/BluePlanetPlaylist Planet Earth II http://bit.ly/PlanetEarthIIPlaylist Planet Dinosaur https://bit.ly/PlanetDinosaurPlaylist Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of entertaining and thought-provoking natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this. This is a commercial page from BBC Studios. Service information and feedback: http://bbcworldwide.com/vod-feedback--contact-details.aspx