Sperm Whale
Sperm Whale
Mammal
The sperm whale is the loudest animal on Earth and a champion deep diver, using the largest head and brain of any creature to hunt squid far down in the dark.
💡 Fun Facts
- The sperm whale makes the loudest sound of any animal — echolocation clicks far louder than a jet engine.
- It has the biggest brain and the biggest head of any animal that has ever lived.
- It dives deep to hunt giant and colossal squid in the dark.
Name Story
Physeter macrocephalus
means “the big-headed blower”
What does its name mean?
- Physeter — blower, blowpipeGreek physētēr, from physa 'to blow'
- macrocephalus — big-headedGreek makros 'large' + kephalē 'head'
'The big-headed blower' — and both halves are true. The sperm whale has the largest head of any animal, filled with waxy oil, and it sends up a bushy, slanted spout when it breathes. Deep below, it makes the loudest sound of any creature on Earth.