During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
The cat brain weighs about 30g.
167
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
The elephant brain weighs about 6,000g.
274
A 42-foot sperm whale has about 7 tons of oil in it.
209
Lobsters have blue blood.
476