Crossings

Introduction: cliff swallow morphology evolution driven by road selection pressures; disproportionate impact of "road effect"--just 1% of earth covered in pavement but 20% subject to impacts from roads; impacts include direct mortality from vehicle collisions, interrupted migratory pathways, loss of habitat, spead of invasives/problematic native species, access to resource extraction, climate change and mining intensification, etc. Wildlife are "'other nations, caught with ourselves in the net of life and time.' And the road ensares us both. This book is about how we escape."