Description
From ostriches to pigeons, there are many kinds of birds on Earth. How did they evolve? How have they changed to fit their environment? This book answers these questions and more as it brings readers face to face with birds of all sizes, shapes and abilities. Readers will learn about early birds, such as the Archaeopteryx, and what we've learned from their fossils. They'll also learn about the classifications for birds that are alive today, such as perching birds, raptors and flightless birds. Colorful pictures, diagrams and sidebars take readers on an adventure to meet these amazing feathered friends.