A 42-foot sperm whale has about 7 tons of oil in it.
209
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Cats sleep for 70% of their lives.
8
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Lobsters have blue blood.
476
Cats recognise the voice of their owner, but never evolved to care.
22
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14