Meet Hal Whitehead, he’s a professor at Dalhousie University in Canada. He’s been studying sperm whales for 40 years, tracking their groups at sea from a 40-foot sailing boat and trying to understand their social and cultural lives.
Dig Deeper: Sperm whales and other whales around the world rely sound to communicate. Our ocean is becoming a noisy place, how has noise been impacting whales around the world?
