Scientist and author Bernd Heinrich has returned every year since boyhood to a beloved patch of western Maine woods. What is the biology in humans of this deep-in-the-bones pull toward a particular place, and how is it related to animal homing? Heinrich explores the fascinating science chipping away at the mysteries of animal migration: how geese imprint true visual landscape memory; how scent trails are used by many creatures, from fish to insects...

Presents a tribute to the migrations of millions of creatures to the Arctic, including depictions of the cyclical journeys of gray whales, caribou and more.

Describes the many different ways animals cope with winter, including migration, hibernation, and food storage.