If we are talking about height, no animal can beat（打败） giraffes! With an astonishing（令人吃惊的） long neck, a giraffe can be more than 18 feet tall, making it the world's tallest animal. It is also one of the world's heaviest animals - a male giraffe may weigh up to 4,200 pounds!

    When they are hungry, they don't have to lower their necks to eat grass or stand on their toes to reach for leaves. All they need to do is to stand near a tree and have leaves from the tops of trees. Their remarkable height also helps to keep them out of danger, because they can see the hungry lions from far away distance.