Have you ever wished you could fly? Many animals have wings that help them soar through the air. But some animals have other uses for their wings, like swimming
Wings carry tiny insects, fluttering butterflies, and backyard birds, and they even once propelled some dinosaurs up and through the skies. Find out how, when,
"On the Wing is the first book to take a comprehensive look at the evolution of flight in all four groups of powered flyers: insects, pterosaurs, birds, and bat
How do animals get around? This fun volume explores animal mobility and the interesting adaptations that allow animals to walk, fly, and swim in many different