A mount of sperm a whale produces

Learn which whales were hunted and why; how they captured and processed them; how technology changed the industry. Whaling was an exceptionally dangerous business both physically and economically. In the Yankee whale fishery injuries and death were common to almost every voyage. Many vessels were lost. Few individuals got rich whaling and most of those were owners and agents. The answers to why so many people went whaling are many and varied but the underlying principle is that whale products had a strong commercial value if one knew how to exploit it.
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Is the Ocean Salty Because of Whale Sperm?

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Sperm whale predator-prey interactions involve chasing and buzzing, but no acoustic stunning

Pygmy sperm whales are toothed whales named after the waxy substance—spermaceti—found in their heads. The spermaceti is an oil sac that helps the whales produce sound. Like squids, pygmy sperm whales can produce a dark, ink-like liquid that helps them escape from predators. Pygmy sperm whales are found in temperate and tropical seas worldwide.
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Sperm Whales in the North Atlantic - DTAG Effort

The sperm whale carries a hypertrophied nose that generates powerful clicks for long-range echolocation. However, it remains a conundrum how this bizarrely shaped apex predator catches its prey. Several hypotheses have been advanced to propose both active and passive means to acquire prey, including acoustic debilitation of prey with very powerful clicks. Here we test these hypotheses by using sound and movement recording tags in a fine-scale study of buzz sequences to relate the acoustic behaviour of sperm whales with changes in acceleration in their head region during prey capture attempts. We show that in the terminal buzz phase, sperm whales reduce inter-click intervals and estimated source levels by 1—2 orders of magnitude.
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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. The sperm whale is a pelagic mammal with a worldwide range, and will migrate seasonally for feeding and breeding. The females cooperate to protect and nurse their young. Females give birth every four to 20 years, and care for the calves for more than a decade. A mature sperm whale has few natural predators, although calves and weakened adults are sometimes killed by pods of killer whales orcas.
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