This illustrated book reviews the status of the world's endangered birds throughout the key ornithological regions - North America, Central and South America, Eurasia and North Africa, Tropical Africa, Madagascar, India and South-East Asia, Australasia and Oceania. Each chapter gives particular emphasis to those birds that are most threatened and rare with detailed information on their appearance, behaviour patterns, habitat and evolution. The book also examines the causes of population decimation including predators, habitat and environment changes and loss of food resources.