Like humans, dolphins give birth to live young, but rather than a hospital room, they do so while submerged entirely underwater! As you can imagine, this comes with a unique set of challenges. Imagine ...

How big they are: From 5 to 32 feet (1.5 to 10 meters) long, depending on the species Dolphins live in almost every ocean, except most tend to avoid the cold waters in the Arctic and around Antarctica ...