Amazon.com description: Product Description: How long do hummingbirds live? How fast do hummingbirds beat their wings? How do they stay warm? Where do they put their nests? Do hummingbirds migrate? Learn the answers to these questions and many others in this easy-to-read book. Readers will learn about their interesting behaviors, fascinating interactions with each other, and about their important status as pollinators. Concise text and colorful photos, illustrations, and charts help you learn about these tiny, fast-flying birds.