Sperm whale

The sperm whale (Physeter macrocephalus) is a species of toothed whale and an aquatic mammal.
Sperm whales could be found worldwide in most seas, migrating seasonally.
History
During the Peloponnesian War Spartan misthios Kassandra sometimes encountered sperm whales whilst aboard the Adrestia on the Aegean Sea.[1]
Pirate Edward Kenway encountered a white sperm whale fighting a giant squid near the wreck of the Antocha. Edward also encountered several other white sperm whales, which he hunted for their rare skin.[2]
In the 9th century, sperm whales were pretty common in the seas of Norway, being a regular target for whaling. Viking shieldmaiden Eivor Varinsdottir sometimes encountered these creatures in the fjords while on her travels aboard her longship. Several whaling stations also existed in England, including Port Walton.[3]
Gallery
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A submerged sperm whale during the night in the Aegean Sea
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Sperm whale corpses in Port Walton, Essex, in 9th century England