Migrating wildlife species across the globe face a dire predicament as their traditional migratory routes are cut off by human encroachment. Forced into smaller and smaller patches of habitat, they must compete more aggressively for dwindling food...
Island Press Field Notes
How long should a leaf live? When should blueberries ripen? What should a clever moose eat?
This female wolf wandered from Yellowstone to the Grand Canyon. Photo courtesy Arizona Game and Fish Department.
