Mammal

Mammals are a group of warm-blooded animals that feed their young with milk from the mother's body and usually have hair or fur.

Features

Most mammals give birth to live young, breathe air with lungs and care for their offspring. They range from tiny mice to the huge blue whale, the largest animal ever known.

Examples

Humans, dogs, elephants, tigers, whales and bats are all mammals.

Frequently asked questions

What makes an animal a mammal?

Being warm-blooded, having hair or fur, and feeding young with milk.

What is the largest mammal?

The blue whale.