Cows can sleep standing up, but they can only dream lying down.
745
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
When you shave a guinea pig it looks like a little hippo.
19
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217