Many amphibians, including frogs, salamanders, and caecilians, find strength in numbers. Some amphibians form groups to mate, reproduce, and care for their young. For others, being part of a group provides warmth and safety. Amphibian Groups explores how and why different amphibian species form groups. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of Abdo Publishing, a division of ABDO.