Animals that give birth to live young are called mammals.
Here are some examples of mammals:
* Humans
* Dogs
* Cats
* Horses
* Cows
* Whales
* Dolphins
* Elephants
* Monkeys
* Kangaroos
* Bats
It's important to note that not all animals give birth to live young. Some animals, like birds, reptiles, fish, and amphibians, lay eggs!