Introduces readers to hummingbirds and their role as pollinators, while also exploring their physical characteristics, behavior, habitat, and threats they face. Vibrant photographs and easy-to-read text aid comprehension for young readers. Features include a table of contents, an infographic, fun facts, Making Connections questions, a glossary, and an index. QR Codes in the book give readers access to book-specific resources to further their learning. Aligned to Common Core Standards and correlated to state standards. DiscoverRoo is an imprint of Pop!, a division of ABDO.