The bald eagle is not bald; it has a cap of white feathers on top of its head. The koala is not a bear; it is a marsupial, which is a mammal with a pouch. The Komodo dragon is not a dragon; it is a lizard. The prairie dog is not a dog; it is a rodent similar to a squirrel. The sea horse is not a horse; it is a fish. The titmouse is not a mouse; it is a bird.