The sperm whale is the world’s largest toothed predator. It also has the biggest brain of any animal on earth.. This mind has helped them outwit their natural predators, but what happened when sperm whales came up against humans?

The sperm whale or cachalot is the largest of the toothed whales and the largest toothed predator. It is the only living member of the genus Physeter and one of three extant species in the sperm whale family, along with the pygmy sperm whale and dwarf sperm whale of the genus Kogia.