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内容简介

A summary of information on 154 species of duck, geese and swans of the world intended as an identification manual for the wildfowl enthusiast that goes beyond a regional basis and is light enough to be used as a handy reference book in the field. The text not only clarifies identification techniques but fully discusses problematic plumages in detail as well as providing a summary on world distribution and status complemented by clear distribution ma ps .

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