Most of us have heard about hippos, but do you really know everything there is to know about this amazing animal? Its fascinating facts are sure to make your jaw drop. Hippos spend most of their lives in the water, but the fact is that they also feed on land plants. These animals also swim faster than humans and run at a much faster pace. This book will cover some interesting facts about hippos and their habits. So, what exactly are these fascinating creatures? First and foremost, hippos are dangerous and unpredictable animals. They are often mistaken for gentle giants, but in reality, they can be aggressive and dangerous. Despite their large size, they do not hesitate to attack and can even kill a large crocodile in one bite. A hippo's yawning or laughing is a warning sign, but it's still best to stay away from hippos when they're not threatened. Hippos spend most of their time submerged, but they do surface periodically to breathe. They can survive for 45 to 50 years in the wild, but a zoo has one of the oldest living hippos on record. She lived in Indiana and Germany, and she is thought to be 61 years old! Hippos are 11 to 17 feet long and about five feet high at the shoulder. Despite their territorial tendencies, hippos are very playful.