Green Nature

Types of Marine Mammals

lighthouse Welcome. Marine mammals are a class of animals (Mammalia) that are warm blooded and live most of their lives in the sea.

Most people think of whales, dolphins and seals as the primary marine mammals. However, polar bears and sea otters, among others, also are classified as marine mammals.

This album covers some of the common marine mammals found around the coasts and beaches of the United States.

You can also click on a link in the "More Beach Albums" box to learn about other coastal life. Other articles such as toxic algae blooms describe some of the problems facing our coastal wildlife.