People's lives get saved every day, and the people who do the rescuing usually receive their due credit. It's not always humans who save the day, though. Time and time again, animals wild and domestic have proven that protection and empathy are truly animal instincts. Whether it's gorillas saving toddlers or whales protecting divers from sharks, there's a lot we can learn from our heroic animal friends.
Intrigued? Read on to learn about some of history's most valiant animals.