Cats recognise the voice of their owner, but never evolved to care.
22
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82