A sperm whale is the largest-toothed whale and possesses the largest brain of any animal on Earth. It is characterized by its massive size, distinctive square-shaped head, and prominent blowhole. Sperm whales are renowned for their deep-diving abilities, capable of reaching great depths in search of their preferred prey, which primarily consists of giant squid and various fish species. They are known for their unique vocalizations and complex social structures. Sperm whales play a crucial role in marine ecosystems and have long fascinated scientists and nature enthusiasts alike.

英語での「sperm whale」の定義と意味

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