In these twenty-six short essays, Merrill Gilfillan records his encounters with Wood Warblers as they flit through North American landscapes on their migratory paths. With precision, appetite, and a touch of whimsy, he sketches the tiny birds in their surroundings, perfecting the art of what he elsewhere calls "alfresco writing." Throughout, The Warbler Road testifies to birding as a meditative, even votive dedication and a fundamental...