Identification of marine mammals is quite easy, particularly if you learn the basic groups. Although whales spend all their time in the oceans, they are mammals just like us. This means that they are warm blooded, give live birth, nurse their young, have traces of hair or fur, and must come to the surface to breathe air through their lungs. The whale is the world's largest mammal. Whales form part of a large group of warm blooded mammals adapted to life in the sea.
Many myths speak of how all life upon the planet, especially human, sprang from the seas.
Because of this and other reasons we will discuss, the whale is an ancient symbol for creation-be it of the body or our world. Cetaceans Whales, dolphins, and porpoises are fascinating to many people. It may be because of their size or because of their activities that can seem so playful or because of the attention that has been focused on human threats to these animals. Whales Whales are the giants of the sea. Despite being huge animals, whales are not easy to spot because they glide silently along, creating hardly a ripple.