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It is hard to imagine a raison d'etre for this book, for its pretentions to be a field guide, as bruited on the dust cover, are absurd and are surprising coming from the authors, two highly respected ornithologists. What we have instead are species accounts of 800 birds, nine percent of the world total. These very brief accounts include a few sentences of general commentary; very small sections on range and nesting; a range map, color photo, and drawing showing scale; and one or two other small illustrations. 本书以图文并茂的形式讲述了世界近八百种鸟类的形貌特征、生活习性、聚居地。 详实可信，生动形象。

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