First published by the RSPB in 1998, this book is a practical guide to surveying and monitoring techniques for use in the breeding season - in assessing breeding success as well as population levels - and during the winter. It gives instructions for more than 120 UK bird species, mainly those of conservation concern.
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![Wilson's American Ornithology [microform]: With Additions Including the Birds Described by Audubon, Bonaparte, Nuttall, & Richardson Wilson's American Ornithology [microform]: With Additions Including the Birds Described by Audubon, Bonaparte, Nuttall, & Richardson](https://bilder.buecher.de/produkte/65/65536/65536066m.jpg)