Estuaries are rightly of great interest and concern to the birdwatcher. Most teem with thousands of waders, geese, ducks, gulls and other species that use them at times throughout the year; they are also among the last of the wild places left in Britain and Europe. The 'Birds of Estuaries Enquiry' (sponsored by the Nature Conservancy Council and organised by the BTO, RSPB and the Wildfowl Trust) spanned six years, and Tony Prater's report now provides a detailed insight into the birds which use and, in many cases, depend on this special habitat. Of great interest to birdwatchers, the book...