This is an annotated list of Nathusius’ Pipistrelle bats ringed at Blagdon and Chew Valley Lakes:

Blagdon Lake

  1. A4626 (D. Hargreaves), 16th April 2011, Butcombe Bank, Blagdon Lake. Adult male, fa 35.0 mm, wt 7.0 g, 5th finger n/a.  Named ‘Nigel’. Radio tracked to Park Batch, Park Lane, Blagdon. A bungalow at the time!
  2. A4629 (D. Hargreaves), 24th April 2011, Butcombe Bank, Blagdon Lake. Adult male, fa 34.5mm, wt 6.5 g, 5th finger 44.1 mm.
  3. A4650 (D. Hargreaves), 12th July 2011, Butcombe Bank, Blagdon Lake. Adult male, fa 33.2 mm, wt 7.5 g, 5th finger n/a.
  4. A4651 (D. Hargreaves), 12th July 2011, Butcombe Bank, Blagdon Lake. Adult male, fa 33.8 mm, wt 7.25 g, 5th finger n/a.
  5. A4652 (D. Hargreaves), 12th July 2011, Butcombe Bank, Blagdon Lake. Adult male, fa 35.7 mm, wt 8.0 g, 5th finger n/a.
  6. A4653 (D. Hargreaves), 12th July 2011, Butcombe Bank, Blagdon Lake. Adult male, fa 34.3 mm, wt n/a, 5th finger n/a.
  7. A4654 (D. Hargreaves), 12th July 2011, Butcombe Bank, Blagdon Lake. Adult male, fa 34.2 mm, wt n/a, 5th finger n/a.
  8. A4656 (D. Hargreaves), 13th Aug. 2011, Butcombe Bank, Blagdon Lake. Adult male, fa 33.0 mm, wt 8.2 g, 5th finger n/a. Swollen joint on p4 first phalange.
  9. A4658 (D. Hargreaves), 13th Aug. 2011, Butcombe Bank, Blagdon Lake. Adult male, fa 32.8 mm, wt 8.5, 5th finger 42.1 mm.
  10. A4664 (D. Hargreaves), 13th Aug. 2011, Butcombe Bank, Blagdon Lake. Adult male, fa 33.5 mm, wt 8.5, 5th finger n/a.
  11. A4665 (D. Hargreaves), 13th Aug. 2011, Butcombe Bank, Blagdon Lake. Adult male, fa 31.4 mm, wt 7.5 g, 5th finger n/a.
  12. Not ringed, (D. Hargreaves), 20th Aug. 2011, Butcombe Bank, Blagdon Lake. Adult male, fa 34.8, wt 8.8 g, 5th finger 49 mm.
  13. A4793 (D. Hargreaves), 27th Aug. 2011, Butcombe Bank, Blagdon Lake. Adult male, fa 33.0 mm, wt 6.8 g, 5th finger 42.1 mm. Covered in orange parasites on both wings.
  14. A4658 (1st recapture), 27th Aug. 2011, Butcombe Bank, Blagdon Lake. Adult male, fa 33.1 mm, wt 8.5 g, 5th finger 42.3 g. Named ‘Nelson’. Radio tracked to 3, Aldwick Lane, Blagdon.
  15. A4794 (D. Hargreaves), 27th Aug. 2011, Butcombe Bank, Blagdon Lake. Adult male, fa 34.5 mm, wt 7.6 g, 5th finger 44.6 mm. Named ‘Nick’. Radio tracked to Thatchers Mead, Mill Lane, Butcombe.
  16. A4656 (1st recapture), 29th Aug. 2011, Fishing Lodge, Blagdon Lake. Adult male, fa 33.1 mm, wt 8.8 g, 5th finger 40.5 mm.
  17. A4626 (1st recapture), 29th Aug. 2011, Fishing Lodge, Blagdon Lake. Adult male, fa 34.9 mm, wt 8.4 g, 5th finger 43.5 mm. ‘Nigel’.
  18. A4796 (D. Hargreaves), 29th Aug. 2011, Venturi Building (bat house), Blagdon Lake. Adult male, fa 33.8 mm, wt 10.7 g, 5th finger 45.0 mm.
  19. A7094 (D. Hargreaves), 24th Sep. 2011, Butcombe Bank, Blagdon Lake. Adult male, fa 34.2 mm, wt n/a, 5th finger 44.4 mm.
  20. A4656 (2nd recapture), 25th Sep. 2011, Venturi Building (bat house), Blagdon Lake. Adult male, fa 33.1 mm, wt 6.5 g, 5th finger n/a. Recap ROL lekking from under roof tile.
  21. A7115 (D. Hargreaves), 25th Sep. 2011, Venturi Building (bat house), Blagdon Lake. Adult male, fa 33.4 mm, wt 9.0 g, 5th finger 41.5 g.
  22. A4656 (3rd recapture), 19th Oct. 2011, Blagdon Lake. Adult male, fa 33.1 mm, wt 7.4 g, 5th finger 43.0 mm.
  23. A7360 (D. Hargreaves), 21st April 2012, Butcombe Bank, Blagdon Lake. Adult male, fa 33.7 mm, wt 6.9 g, 5th finger 43.0 mm.
  24. A7369 (D. Hargreaves), 26th May 2012, Bird hide (prob Home Bay Pt.), Blagdon Lake. Adult male, fa 34.1 mm, wt 7.9 g, 5th finger 44.0 mm.
  25. A7360 (1st recapture), 17th Aug. 2012, Fishing Lodge, Blagdon Lake. Adult male, fa 33.7 mm, wt 8.8 g, 5th finger n/a.
  26. A7361 (D. Hargreaves), 22nd Sep. 2012, Fishing Lodge, Blagdon Lake. Adult male, fa 33.2 mm, wt 6.5 g, 5th finger 44 mm.
  27. A4027 (D. Hargreaves), 13th Oct. 2012, Pipe Bay, Blagdon Lake. Adult male, fa 35.1 mm, wt 7.5 g, 5th finger 47.0 mm.
  28. A4028 (D. Hargreaves), 14th Oct. 2012, Pipe Bay, Blagdon Lake. Adult male, fa 34.1 mm, wt 8.5 g, 5th finger 42.0 mm.
  29. A4029 (D. Hargreaves), 14th Oct. 2012, Pipe Bay, Blagdon Lake. Adult male, fa 33.2 mm, wt 7.2 g, 5th finger 42.0 mm.
  30. A4030 (D. Hargreaves), 14th Oct. 2012, Pipe Bay, Blagdon Lake. Adult male, fa 34.5 mm, wt 7.6 g, 5th finger 44.0 mm. This bat was to make the national news later – see record #43.
  31. A4032 (D. Hargreaves), 11th May 2013, Butcombe Bank, Blagdon Lake. Adult male, fa 33.5 mm, wt 9.8 g, 5th finger 46.0 mm.
  32. A4031 (D. Hargreaves), 11th May 2013, Butcombe Bank, Blagdon Lake. Adult male, fa 33.5 mm, wt 7.1 g, 5th finger 45 mm.
  33. A7365 (D. Hargreaves), 11th May 2013, Butcombe Bank, Blagdon Lake. Adult female, fa 34.3 mm, wt 8.7 g, 5th finger 46.0 mm. Named ‘Natalie’. Radio tracked to Grove Farm, Nempnett Thrubwell.
  34. A7364 (D. Hargreaves), 18th May 2013, Rugmoor Bay & Indian Country, Blagdon Lake. Adult female, fa 35.7 mm, wt 9.1 g, 5th finger 46.0 mm.
  35. A7362 (D. Hargreaves), 18th May 2013, Rugmoor Bay & Indian Country, Blagdon Lake. Adult female, fa 34.4 mm, wt 8.1 g, 5th finger 46.0 mm.
  36. A4034 (D. Hargreaves), 18th May 2013, Rugmoor Bay & Indian Country, Blagdon Lake. Adult male, fa 34.0 mm, wt 8.1 g, 5th finger 46.0 mm.
  37. A4033 (D. Hargreaves), 18th May 2013, Rugmoor Bay & Indian Country, Blagdon Lake. Adult male, fa 34.9 mm, wt 6.2 g, 5th finger 45.0 mm.
  38. A4039 (D. Hargreaves), 24th Aug. 2013, Blagdon Lake. Adult male, fa 33.2 mm, wt 8.0 g, 5th finger 44.5 mm. Caught during a trapping session around the lake after the first National Nathusius’ Pipistrelle Project Conference in Ubley Village Hall.
  39. A7441 (D. Hargreaves), 24th Aug. 2013, Blagdon Lake. Adult male, fa 32.9 mm, wt 8.9 g, 5th finger n/a. Caught during a trapping session around the lake after YACWAG (Yatton & Congresbury Wildlife Action Group) Nathusius’ Pipistrelle Conference in Ubley Village Hall.
  40. Not ringed, 24th Aug. 2013, Blagdon Lake. Adult male, fa 33.8 mm, wt 8.0 g, 5th finger 42.3 mm. Caught during a trapping session around the lake after YACWAG Nathusius’ Pipistrelle Conference in Ubley Village Hall.
  41. A4035 (D. Hargeaves), 24th Aug. 2013, Blagdon Lake. Adult male, fa 32.5 mm, wt 7.0 g, 5th finger n/a. Caught during a trapping session around the lake after YACWAG Nathusius’ Pipistrelle Conference in Ubley Village Hall.
  42. A7440 (D. Hargreaves), 24th Aug. 2013, Blagdon Lake. Adult male, fa 32.8 mm, wt 8.5 g, 5th finger n/a. Caught during a trapping session around the lake after YACWAG Nathusius’ Pipistrelle Conference in Ubley Village Hall.
  43. A4030 (Found dead), 23rd Dec. 2013, Pietersbierum, The Netherlands. The first overseas record of a British ringed bat.
  44. A7400 (D. Hargreaves), 18th April 2014, Blagdon Lake. Adult male, fa 32.8 mm, wt 6.5 g, 5th finger 41.0 mm. Caught during the National Nathusius’ Pilot Study Training Weekend 18th-20th April.
  45. A7401 (D. Hargreaves), 18th April 2014, Blagdon Lake. Adult male, fa 34.5 mm, wt 6.5 g, 5th finger 42.0 mm. Caught during the National Nathusius’ Pilot Study Training Weekend 18th-20th April.
  46. A4041 (D. Hargreaves), 18th April 2014, Blagdon Lake. Adult male, fa 34.4 mm, wt 7.5 g, 5th finger 46. 0 mm. Caught during the National Nathusius’ Pilot Study Training Weekend 18th-20th April.
  47. A4103 (D. Hargreaves), 5th Sep. 2014, Pipe & Home Bays, Blagdon Lake. Adult male, fa 34.5 mm, wt 9.0 g, 5th finger 46 mm. National Nathusius’s Pilot Study trapping session. Filming with Miranda Krestovnikoff for ‘The One Show’.
  48. A4104 (D. Hargreaves), 5th Sep. 2014, Pipe & Home Bays, Blagdon Lake. Adult male, fa 33.8 mm, wt 9.2 g, 5th finger n/a. National Nathusius’s Pilot Study trapping session. Filming with Miranda Krestovnikoff for ‘The One Show’.
  49. A4105 (D. Hargreaves), 5th Sep. 2014, Pipe & Home Bays, Blagdon Lake. Adult male, fa 35.8 mm, wt 9.0 g, 5th finger 47 mm. National Nathusius’s Pilot Study trapping session. Filming with Miranda Krestovnikoff for ‘The One Show’.
  50. A4106 (D. Hargreaves), 5th Sep. 2014, Pipe & Home Bays, Blagdon Lake. Adult male, fa 32.0 mm, wt 7.25 g, 5th finger 46 mm. National Nathusius’s Pilot Study trapping session. Filming with Miranda Krestovnikoff for ‘The One Show’.
  51. H8800 (K. Anstey), 15th May 2015, Pipe Bay to Home Bay, Blagdon Lake. Adult male, fa 33.0 mm, wt 8.2 g, 5th finger 43 mm.
  52. A4656 (4th recapture), 15th May 2015, Pipe Bay to Home Bay, Blagdon Lake. Adult male, fa 33.0 mm, wt 8.0 g, 5th finger 42 mm.
  53. H8799 (K. Anstey), 15th May 2015, Pipe Bay to Home Bay, Blagdon Lake, Adult male, fa 34.8 mm, wt 7.8 g, 5th finger 45 mm.
  54. H8751 (N. Milbourne) 4th June 2015, Pipe Bay to Home Bay, Blagdon Lake, Adult male, fa 33.3 mm, wt 7.4 g, 5th finger 43 mm.
  55. H8752 (D. Foster) 4th June 2015, Pipe Bay to Home Bay, Blagdon Lake, Adult male, fa 34.0 mm, wt 8.1 g, 5th finger 46 mm.
  56. A4656 (5th recapture) 4th June 2015, Pipe Bay to Home Bay, Blagdon Lake, Adult male, fa 33.0 mm, wt 7.5 g, 5th Finger n/a.
  57. H8761 (K. Anstey) 13th Aug. 2016, Rainbow Point to Bell’s Bush, Blagdon Lake. Adult male, fa 34.6 mm, wt 9.6 g, 5th finger 45 mm.
  58. H8762 (K. Anstey) 27th Aug. 2016, Pipe Bay to Home Bay Point, Blagdon Lake. Adult male, fa 32.0 mm, wt 6.8 g, 5th finger 42 mm.
  59. H8763 (N. Milbourne) 27th Aug. 2016, Pipe Bay to Home Bay Point, Blagdon Lake. Adult male, fa 32.6 mm, wt 8.5 g, 5th finger 44mm.

/ to be continued.

Chew Valley Lake

  1. H8759 (K. Anstey) 5th June 2016, Woodford Bank/Villice Bay, Chew Valley Lake. Adult male, fa 34.1 mm, wt 7.9 g, 5th finger 43 mm.
  2. H8760 (J. Mulholland) 5th August 2016, Woodford Bank/Villice Bay, Chew Valley Lake. Adult male, fa 33.2 mm, wt 8.5 g, 5th finger 42 mm.

/ to be continued.

Last update: 15th August 2025