Overview:
Penguins (Smithsonian) : Penguins certainly are a different bird! They spend seventy-five percent of their lives in water and they can't even fly! Penguins are classified as birds because they have feathers. So explore a penguin's world by finding out how they can swim so fast, what they eat, and how people need to help protect their habitats.
| Category | Subject | |
| Children Nonfiction | Animals |