Rockhopper penguins are some of the craziest-looking penguins around! With bright yellow feathers sticking out from their face, they have a truly distinctive look. Their body adaptations, life cycle, behavior, and diet are fully explored in this volume for beginning readers. Fun facts abound in the text, such as how deep these birds can dive and where they make their burrow homes. Sentences are short and aid readers' knowledge building. Full-color photographs keep readers engaged with these cool birds!.