Jellyfish as a species are actually older than dinosaurs and sharks.
383
Cats recognise the voice of their owner, but never evolved to care.
22
A group of pugs is called a grumble.
10
The reindeer is the only mammal that can see UV light.
17
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
When dragonflies mate, their tails form a love heart.
22