Download or read book Let's Explore Migration written by Emma Carlson-Berne and published by Lerner Publications ™. This book was released on 2021-08-01 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: Each year, butterflies, whales, and many other animals travel long distances in search of better food, weather, and more. Then they return to repeat the pattern. Learn all about migration, one of nature's amazing cycles.