What do a bullfrog, a salamander, and a toad have in common? They're all amphibians! But do you know what makes an amphibian an amphibian? Listen to this audiobook 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 Books™ collection. With high energy, Lightning Bolt Books™ bring nonfiction topics to life!