Cows can sleep standing up, but they can only dream lying down.
745
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
Denmark has twice as many pigs as there are people.
66
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2