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This book looks at the world's naturalised (successfully introduced) species of bird. Many species have been introduced to countries outside their natural range by people, either deliberately or accidentally, with varied consequences for both those species themselves and the native fauna of their 'new' homes. In Britain, the introduced Canada Goose has quickly become ubiquitous at every lake and riverside, while the Golden Pheasant remains a scarce and unobtrusive inhabitant of a few scattered, remote woodlands. The House Sparrow and Common Starling, both in decline over parts of their native range, are thriving in a naturalised state in North America and elsewhere in the world. Naturalised populations of Mallard in various parts of the world are threatening a total of seven other duck species with extinction through hybridisation. This book discusses each species in turn, describing how, why, when and where its introduction took place, how it became established, and the ecological and economic impacts its presence has had in the country or countries it is naturalised in. Each account has a map, showing natural and introduced range, and there is a wealth of beautiful line drawings of the species concerned.
Concerned conservationists and professional and amateur ornithologists alike welcomed the inauguration, in 1983, of Bird Conservation. Sponsored by the U.S. Section of the International Council for Bird Preservation, the ambitious project was designed to provide a yearly overview of current research and key ecological topics in the field of bird conservation. This, the second yearbook of the series, includes essays by leading ecologists and ornithologists and focuses on a range of issues critical to island birds--among them, the status of endangered birds of Micronesia, the distribution and abundance of Hawaiian native birds, the vulnerability of endemic island birds to extinction, and bird conservation efforts in the United States Caribbean. Also included are concise reports on recent bird conservation activities and research and an annotated bibliography of relevant literature.
A comprehensive review of the hundreds of bird species that have become extinct over the last 1,000 years of habitat degradation, over-hunting and rat introduction. Extinct Birds has become the standard text on this subject, covering both familiar icons of extinction as well as more obscure birds, some known from just one specimen or from travellers' tales. This second edition is expanded to include dozens of new species, as more are constantly added to the list, either through extinction or through new subfossil discoveries. The book is the result of decades of research into literature and museum drawers, as well as caves and subfossil deposits, which often reveal birds long-gone that disappeared without ever being recorded by scientists while they lived. From Great Auks, Carolina Parakeets and Dodos to the amazing yet almost completely vanished bird radiations of Hawaii and New Zealand via rafts of extinction in the Pacific and elsewhere, this book is both a sumptuous reference and astounding testament to humanity's devastating impact on wildlife.
This book, while focusing on current preservation challenges posed by the Aga, or Mariana crow, also reflects the larger issues and challenges of biodiversity conservation in all oceanic island ecosystems. It evaluates causes for the continuing decline of the Aga, which exists on only the two southernmost islands in the Mariana archipelago, Guam and Rota, and reviews actions to halt or reverse the decrease. This book reminds us of the importance and challenge of preserving the unique environmental heritage of islands of the Mariana archipelago, the need for increased knowledge to restore and maintain native species and habitats, and the compelling and lasting value of extensive public education to stimulate environmentally informed public policy development.