There are only about 700 mountain gorillas and they live high in the mountains in two protected parks in Africa. Lowland gorillas live in central Africa.

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.

Two phone books with their pages interlaced require more than 8000 pounds of pressure to separte.

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