Jan 20
Sperm whale Physeter macrocephalus
Observed by fevridix, CC BY-NC
seen from United States
seen from United States
seen from Russia
seen from United States
seen from United States
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seen from Türkiye
seen from China
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seen from South Africa
seen from Philippines
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seen from Russia
seen from Albania
Sperm whale Physeter macrocephalus
Observed by fevridix, CC BY-NC
Uncharismatic Fact of the Day
Sperm whales have big heads-- and it's not just from ego! An adult sperm whale's head makes up a third of their body length. Much of its size comes from a set of organs located in the forehead, used for echolocation. These organs contain a substance called spermaceti, a special type of oil; the organs can collectively weigh over 13 tonnes (15 tons) and contain 3.6 tonnes (4 tons) of oil!
(Image: A shedding sperm whale (Physeter macrocephalus) by Mike Korostelev)
Bonus fun fact: Their scientific name literally means 'Blowhole Bighead'
My whale book arrived!!! 🐋🌊🐬💙
Sperm whale (Physeter macrocephalus)
Photo by Eric Cheng
Sperm Whale or Cachalot Physeter macrocephalus
Castries, St. Lucia, 2014
Sperm whale Physeter macrocephalus
Observed by martinholladay, CC BY-NC
Sperm whale Physeter macrocephalus
With human Homo sapiens
Observed by wayneosborn, CC BY-NC
Sperm whale Physeter macrocephalus
Observed by remy_dubas, CC BY-NC