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, thought-provoking and educational natural history content. Dramatic, rare