Cats recognise the voice of their owner, but never evolved to care.
22
Parrot parents "name" their children with a signature call.
112
A group of unicorns is called a blessing.
304
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
When dragonflies mate, their tails form a love heart.
22