Name given to a group of animals that include elephants donkeys bison deer?

The group of animals that includes elephants, donkeys, bison, and deer are called mammals.

Here's why:

* Mammals are warm-blooded vertebrates that have hair or fur, give birth to live young, and nurse their offspring with milk.

* Elephants, donkeys, bison, and deer all share these characteristics.

There are many different groups of animals within the class of mammals, but all of these animals are categorized as mammals.