Dusky Dolphins and Bull Sperm Whales, South Pacific, BBC Earth

The South Pacific provides ideal conditions for aquatic mammals, such as the bull sperm whale or the dusky dolphin. Subscribe: WATCH MORE: New on Earth: Oceanscapes: Wild Thailand: 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 astounding, entertaining, thoughtprovoking and educational natural history content. Dramatic, rare