Ocean's Giant The blue whale is a true marvel of the marine world. Known as the largest animal to ever exist on Earth, these ...

It hunted small land animals and freshwater fish ... These are called baleen whales, which include blue whales and humpback whales. Others whales keep their teeth - this group includes dolphins, ...

One of the most important milestones in the evolution of life began some 400 million years ago, when the first animals made their way from water onto land. At that time, known as the Devonian ...

The blue crab species Discoplax celeste is only found on Christmas Island. It is one of more than 20 species of land crab on the island. With more than 150 million red crabs on Christmas Island ...