The cat brain weighs about 30g.
167
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
The colossal squid has the largest eyes in the world.
4
Cats recognise the voice of their owner, but never evolved to care.
22
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
When dragonflies mate, their tails form a love heart.
22