Read more about sperm whales: http://j.mp/sOSais Watch underwater footage of the mammal and hear its strange clicking sounds that are crucial to their survival What ...

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 ...

One of the most unique about whales is that they're the largest animals to ever exist on Earth — even bigger than the largest ...

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 ...

The sperm whale is the largest toothed carnivore ... torpor or a deeper torpor than it’s already in. Other interesting facts about sloths are: Sloths can’t walk. The arms of the three-toed ...