This article is adapted from Joel Sartore’s new book, Vanishing, published by National Geographic Books. Joel Sartore has been photographing animals for his Photo Ark project for 13 years.

You’ve heard of birds flying south to escape the winter, but do you know how chipmunks spend the colder months?

Laura Manske: As a child, your avid interest in nature directed your life’s ... who is a legendary National Geographic magazine wildlife photographer. It was right place right time.