Many birds, including starlings, crows, and penguins, find strength in numbers. Some birds avoid predators by joining large flocks or colonies that nest and migrate together. Others work as a group to find food and protect their young. Bird Groups explores how and why different bird 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. Glossary of key words Index Table of contents Many animals live or work in groups. Some travel in large groups to protect themselves from predators. Other animals join together to hunt. No matter their size, groups are an important part of survival for many animals. Strength in Numbers: Animal Groups demonstrates the social structures of animal groups, exploring why they form and how they help different species. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of Abdo Publishing, a division of ABDO.
