Heaviest brain

Heaviest brain
Who
Sperm Whale
What
9 kilogram(s)
Where
Unknown
When
16 October 2002

The largest brain of any animal belongs to the sperm whale (<em>Physeter macrocephalus</em> ) and weighs approximately 9 kg (19 lb 13 oz), which is six times heavier than a human brain. Nevertheless, it only equals 0.02 per cent of the whale’s total body weight.