The sperm whale has the heaviest brain of any living animal, weighing approximately 17 pounds (7.8 kilograms).
an elephant
sperm whale.
cheyanne mondragon
elephant
Elephant
brain
jellyfish
The largest brain and heaviest brain (17.5 lbs) belongs to the sperm whale.
The heaviest animal is the blue whale. It weighs about 150 tons.
The largest and heaviest living creature on earth is the blue whale.
The heaviest living creature is the blue whale, which can weigh up to 200 tons.