Giraffes often sleep for only 20 minutes in any 24 hours. They may sleep up to 2 hours (in spurts – not all at once), but this is rare. They never lie down.

The conjunctiva is a membrane that covers the human eye.

It is estimated that in the Amazon Rainforest alone there between 20-40 million different species of animals, most of which are insects, as well as over 40,000 species of plant!

AMAZING FACTS