This book describes the bird life of the various upland regions of the British Isles and presents the various species from an ecological standpoint. The book relates the bird distribution and abundance to the various environmental influences of climate, topography, geology, soil type and human land use. The book initially sets the scene by describing and examining the changes and bird fauna following the major climatic shift since the end of the Ice Age. The uplands are grouped into several main types - sheep-walks, grouse moors, deer forests, flows (peat bogs), maritime hills and high tops...