This document provides information about various animals including tigers, lions, cheetahs, bears, gorillas, camels, snakes, penguins, and sharks. For each animal, it lists 2-3 key facts such as tigers being the largest of the big cats, cheetahs being the fastest land animal able to go from 0-60 mph in 3 seconds, and sharks having existed on Earth for around 400 million years. It also provides background about the author and resources for additional information.