The reindeer is the only mammal that can see UV light.
17
A group of pugs is called a grumble.
10
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
Cats recognise the voice of their owner, but never evolved to care.
22
Early American humans hunted car-size armadillos and used their shells for houses.
12
The Basenji dog is the only dog that is not able to bark.
4
The colossal squid has the largest eyes in the world.
4