Sperm whales are the largest predators on earth and have the biggest head of all animals. They can dive to depths of three kilometers, being able to switch all bodily functions to standby-mode. Sperm whales are the best whales to start whale watching, by far. This guarantees the best photos. All of that makes sperm whales the perfect whale watching whales. I admit having mixed emotions, when I stood in front of a life-sized model of a 20 meter sperm whale in Andenes, Norway, knowing that I would soon be crossing a deep sea canyon, filled with sperm whales, in a 5 meter Zodiac.
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Sperm whale - Wikipedia
Scientists are puzzling over how to stop sperm whales stealing Alaskan fishermen's catch. Deep beneath the surface of the Gulf of Alaska an extraordinary marine crime has been taking place. It shows a sperm whale using its long jaw to create tension on the line, which in turn snaps fish off the hooks. This feeding behaviour is called depredation and experts think it is learned by the whales. Long-line fishermen fish on the sea bed using hook-and-line equipment that can be up to five miles long.
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On the swells of the Sea of Cortez, everything looks like a whale. Lulled by disappointment, the rocking boat and general monotony, I drift into torpor. Then, less than half a mile away, a series of unmistakable spouts erupts, and bursts of exhalation carry across the water. The calves and juveniles are 15 to 20 feet long, and some of the larger females are more than 30 feet from head to tail a male would be almost twice as long. We approach one that appears to be sleeping, its rumpled back and bulging head rolling with the waves.