Features many layers of information. The main text provides a general survey of the defining traits of hummingbirds. The illustrations and captions provide additional details, such as the names of different types of hummingbirds. At the book's conclusion, each illustration is presented in a smaller format with a very detailed paragraph of explanation. As a result, the book provides options that will keep readers coming back to it for a few years. This beginner's guide offers a first glimpse into the natural world of hummingbirds.

In this addition to the acclaimed About… series, educator and author Cathryn Sill uses simple, easy-to-understand language to teach children what hummingbirds are, how they look, how they move, what they eat, and where they live. With beautifully detailed, realistic paintings, noted wildlife illustrator John Sill introduces readers to the many varieties of hummingbirds, from the smallest type – the Bee Hummingbird of Cuba – to the largest – the Giant Hummingbirds of the Andes Mountains in South America. An afterword provides further details on the hummingbirds featured and inspires young readers to learn more.

Describes the physical characteristics, behavior, life cycle, and habitats of hummingbirds.