Despite their name, killer whales (orcas) are actually dolphins.

The residents of Fanalei Island, in the Solomon Islands, say the lucrative hunts will help them buy land elsewhere and move off their sinking home. A pod of dolphins off the coast of South Malaita in ...

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 ...