Preface -- What is a marine mammal? -- Main groups of marine mammals -- Modern taxonomy of marine mammals -- How to look for marine mammals -- Natural history of marine mammals -- Conservation -- How ...

Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the biggest animal that has ever existed. Whales can be found in every ocean, ...

Scientists in New Zealand recently performed the first-ever dissection of a spade-toothed whale. They made a number of discoveries. Photo from the Department of Conservation This summer, a male ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Researchers identified ...

A rare strapped-tooth whale died after attempting to strand on the coast of New Zealand, according to conservation officials. Photo from James Lee, UnSplash A rare whale recently died after ...

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 ...