Cats recognise the voice of their owner, but never evolved to care.
22
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
When you shave a guinea pig it looks like a little hippo.
19
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2