Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The cat brain weighs about 30g.
167
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The colossal squid has the largest eyes in the world.
4
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5