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 ...

Blue whales are not only the largest animal on earth today but the largest known animal ever to have lived on earth. The ...

The blue whale is the largest animal ever known to have lived on Earth. Blue whales are largest of all baleen whales and are found worldwide. They have a long slender body with a proportionally ...

Whales are the largest animals to ever exist on this ... Meet Pakicetus. The very first whale. Life on Earth spent millions of years clawing its way out of the oceans. But whales took all that ...