A warm-blooded vertebrate animal with hair or fur, capable of producing milk.

Note: While dolphins are aquatic, they’re listed as mammals!

An aquatic creature, such as fish or crustaceans.

A warm-blooded, egg-laying vertebrate with feathers, wings, and a beak.

A small arthropod animal with six legs and oftentimes wings.

A vertebrate animal with dry, scaly skin. This category includes lizards and turtles.

A framework of bone, cartilage, or other rigid material supporting or containing the body of an animal or plant.

A “piece” or segment of an animal, such as wings, horns, tails, or legs.