Mammals are among the most adaptable animals on the planet. They are found on every continent and in every ocean, and range in size from tiny bumblebee bats to enormous blue whales. One reason for ...

Mammals live all across the world. They can be found living in the ground, in trees, and even in the sea. There are many different kinds of mammal, including us humans! Find out more about ...

Like humans, dogs, monkeys and other furry land animals, dolphins are mammals. This means they are warm-blooded and stay cozy in the ocean water thanks to a layer of fat called blubber.

Their eyes are large, helping these nocturnal mammals navigate the dark, and their fur color and markings vary by species. Some flying squirrels have only one mating cycle per year but others ...

Credit: Samantha Haebich via Getty Images Like humans, dogs, monkeys and other furry land animals, dolphins are mammals. This means they are warm-blooded and stay cozy in the ocean water thanks to ...

This fact sheet attempts to dispel the fears and answer some of the questions most often asked of the National Museum of Natural History by presenting some general facts about the biology and natural ...