Class: Aves
This class includes all different kinds of birds. All birds have an outer covering of feathers, are endothermic, have front wings, and lay eggs.
Order: Sphenisciformes
This order includes all penguins, living and extinct.
Family: Spheniscidae
Spheniscidae is the only family classification in the order Sphenisciformes and includes all living and extinct penguins.
Click here to learn more about the different species of penguins.
Click here to learn more about the different species of penguins.