Acknowledgements

Many thanks are due to the staff at the various libraries and archive centres I have visited over the years in pursuit of the historical data for rare bird records.

Aberdeen Central Library, Berwick-on-Tweed Central Library, Birmingham Central Library, Carlisle Central Library, Castle Museum in Norwich, Cornish Archive Centre in Redruth, Derby Central Library, Glasgow Central Library, Great North Museum Library in Newcastle, Leeds Central Library, Leicestershire Archive, Manchester Central Library, Mansfield Central Library, Nottingham Central Library, Plymouth Central Library, Rural Life Museum in Reading, Sheffield Central Library, Taunton Central Library, York Central Library.

The Lodge, Sandy, home of the RSPB Library, BTO Library at The Nunnery, Thetford and the SOC Library at Waterston House, Aberlady.

Varying individuals have helped over the years, including John Clark, Geoff Dobbs, Andrew Henderson, Steve Holliday, Dr Alan G. Knox, Bob McGowan, Chris McInerny, Andy Mabbett, Tim Melling, Keith C. Privett, Mark Pollitt, Philip Redman, Matthew Rodgers, Kevin Rylands and Simon Wood.

Regarding the photographs used the following deserve my gratitude: Peter Allard, Richard Brown, Chris Baines, Mike Barth, Chris Batty, Steve Binney, Axel Bräunlich, Graham Catley, Alyn Chambers, Gavin Chambers, Mark Darlaston, Simon Davies, Ruth Eastwood, Mark Eggleton, Euan Ferguson, George Gay, Neil Hinchcliffe, Elmarie Humphreys, John-Lowrie Irvine, Mike Langman, Iain H Leach, Matthew K Naylor, Sean Nixon, Alan Van Norman, Brian Orr, Phil Espin, Phil Woollen, Philip Palmer, Joe Pender, Stuart Piner, Pixabay, Roger Riddington, Darren Robson, Craig Shaw, Rob Smallwood, Cliff Smith, Rob Stonehouse, Bryan Thomas, Kris Webb, G Youdale, Mike Youdale, Macaulay Library and Wikimedia.