Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the ...

Right whales are the rarest of all large whales. There are several species, but all are identified by enormous heads, which can measure up to one-third of their total body length. These whales ...

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 ...