A Bird Is a Bird Author:Lizzy Rockwell Some birds are huge and some are tiny. Some birds are fantastically colorful and some are plain. What do all birds share? — Early nonfiction expert Lizzy Rockwell explains that birds have beaks, wings, and feathers, and hatch from eggs. Other animals might have some of these features in common, but only a bird has them all. Only a bird is a bird!... more » A clear text and graceful illustrations cover dozens of different birds and their shared characteristics, as well as the unique qualities of unusual birds, such as penguins and peacocks.« less