The hair that makes up a giraffe's tail is about 10 times thicker than the average strand of human hair.

The world's largest book, "Bhutan: A Visual Odyssey" is in a Chicago public library. The book measures 5 feet tall by 7 feet wide when open. It weighs 133 pounds.

The smallest bird in the world is the bee hummingbird. The bird is 2.24 inches long.

AMAZING FACTS