The annual Rare Breeding Bird Panel Report has just been published in British Birds for 2015. The national / regional picture for species breeding at Upton Warren is as follows:
Shoveler - up to 981 pairs bred, including 3 in Worcestershire. Nearby counties contributed 3 pairs in Shropshire, 1 in Gloucestershire and 4 in Warwickshire.
Water Rail - up to 1,353 breeding territories were held, including 8 at 3 sites in Worcestershire. Adjacent counties contributed 0 pairs in Herefordshire, 1 at 1 site in West Midlands, 1 at 1 site in Gloucestershire, 17 at 3 sites in Warwickshire and 32 at 7 sites in Staffordshire
Avocet - 1,893 pairs bred across 106 sites. In central England Worcestershire had 12 pairs at 1 site, Nottinghamshire had 4 pairs at 2 sites, Staffordshire had 2 pairs at 1 site and Leicestershire & Rutland had 1 pair at 1 site
Little Ringed Plover - just 588 breeding pairs were noted, including 9 in Worcestershire. Adjacent counties contributed 7 pairs in Herefordshire, 2 in West Midlands, 10 in Gloucestershire, 11 in Warwickshire and 17 in Staffordshire
Mediterranean Gull - between 855 and 875 pairs bred across 41 sites; none were reported in central England
Cetti's Warbler - 2,935 singing males were recorded, including 6 in Worcestershire. Adjacent counties contributed 0 in Herefordshire, 70 in Gloucestershire, 19 in Warwickshire and 15 in Staffordshire. West Midlands was reported as "N/A"
Many thanks to Des for forwarding the information.