Celebrate our new site and save $15 Get code »

National Geographic Readers Great Migrations: Butterflies - Marsh, Laura

Each year, as the weather gets colder, monarch butterflies make a mass migration to their winter homes. For them, this trip means life or death. As the air cools, butterflies have a hard time flying. Below 55 degrees farenheit, their wings stiffen making it harder for them to fly long distances. Below 40, their wings paralyze completely. Meanwhile ... Read More

National Geographic Readers Great Migrations: Butterflies 2010, National Geographic Society, Hanover, PA

ISBN-13: 9781426307393

Paperback

Select