Our ruthless exploitation of the natural world has already driven many wild animals to the brink of extinction. Among the most threatened are migratory species, whether avian, terrestrial or marine. Because in most cases these species cross national boundaries, the need for international conservation efforts is particularly great. Albatrosses and petrels, migratory water-birds and raptors, whales, dolphins and other marine mammals; antelopes and forest elephants and even gorillas these are just some of the key species that are the subject of this vital and richly illustrated book. Produced in conjunction with a UN agency, this book is both an informative warning against the threat facing many species and a stunning celebration of their beauty.