What do a penguin, a pigeon, and a peacock have in common? They're all birds! But do you know what makes a bird a bird? Read Do You Know about Birds? to find out! Learn all about reptiles, insects, mammals, and other animal groups in the Meet the Animal Groups series-part of the Lightning Bolt Booksÿ collection. With high-energy designs, exciting photos, and fun text, Lightning Bolt Booksÿ bring nonfiction topics to life! Meet the Animal Groups Do You Know about Amphibians? Do You Know about Birds? Do You Know about Fish? Do You Know about Insects? Do You Know about Mammals? Do You Know about Reptiles? Book jacket.