The economic stakes were high: Each expedition could yield hundreds of barrels of precious whale oil. There was also valuable ambergris, a substance from the sperm whale used in making perfumes ...

Are you imagining it? Well, you might have an inkling of how a sperm whale felt in the Indian Ocean. According to We Love ...

The sperm whale is the world's largest predator and dives deeper than any other mammal - up to depths of over 2,000m. Its call reaches 220 decibels, the loudest made by any creature on Earth ...