Select until 18 March
Totals VRS Potmarge 2017 - 2026
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| 1. | Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 3 | 0.8 | 2 | 1 | 2 (2025) | | | | |
| 2. | Swift | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2025) | | | | |
| 3. | Feral Pigeon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 179 | 56 | 0 | 235 | 59 | 32 | 203 | 179 (2024) | | | | |
| 4. | Woodpigeon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2024) | | | | |
| 5. | Collared Dove | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0.5 | 2 | 0 | 1 (2024) | | | | |
| 6. | Water Rail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0.5 | 2 | 0 | 2 (2026) | | | | |
| 7. | Moorhen | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 4 | 9 | 2.3 | 8 | 1 | 4 (2026) | | | | |
| 8. | Coot | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.5 | 2 | 0 | 2 (2025) | | | | |
| 9. | Woodcock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 4 | 1 | 4 | 0 | 2 (2024) | | | | |
| 10. | Common Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2024) | | | | |
| 11. | Black-headed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 30 | 68 | 101 | 25 | 98 | 3 | 68 (2026) | | | | |
| 12. | Common Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 23 | 26 | 6.5 | 25 | 1 | 23 (2026) | | | | |
| 13. | Caspian Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.3 | 1 | 0 | 1 (2026) | | | | |
| 14. | Herring Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 5 | 1.3 | 5 | 0 | 3 (2026) | | | | |
| 15. | Sparrowhawk | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2025) | | | | |
| 16. | Kingfisher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 6 | 0 | 13 | 3.3 | 7 | 6 | 7 (2024) | | | | |
| 17. | Great Spotted Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 4 | 0 | 11 | 2.8 | 9 | 2 | 7 (2024) | | | | |
| 18. | Green Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0.5 | 2 | 0 | 1 (2024) | | | | |
| 19. | Jay | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 5 | 0 | 8 | 2 | 7 | 1 | 5 (2025) | | | | |
| 20. | Magpie | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 | 1 (2025) | | | | |
| 21. | Jackdaw | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 11 | 0 | 13 | 3.3 | 13 | 0 | 11 (2025) | | | | |
| 22. | Corvus m. soemmerringii | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2024) | | | | |
| 23. | Blue Tit | 0 | 0 | 0 | 0 | 0 | 0 | 41 | 236 | 266 | 41 | 584 | 146 | 352 | 232 | 266 (2025) | | | | |
| 24. | Great Tit | 0 | 0 | 0 | 0 | 0 | 0 | 40 | 318 | 370 | 114 | 842 | 211 | 426 | 416 | 370 (2025) | | | | |
| 25. | Cetti's Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2025) | | | | |
| 26. | Long-tailed Tit | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 14 | 0 | 28 | 7 | 25 | 3 | 14 (2025) | | | | |
| 27. | Willow Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2025) | | | | |
| 28. | Chiffchaff | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 101 | 117 | 6 | 224 | 56 | 161 | 63 | 117 (2025) | | | | |
| 29. | Chiffchaff (Siberian - tristis) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2024) | | | | |
| 30. | Great Reed Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2024) | | | | |
| 31. | Sedge Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 9 | 0 | 15 | 3.8 | 15 | 0 | 9 (2025) | | | | |
| 32. | Reed Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 52 | 65 | 0 | 117 | 29 | 86 | 31 | 65 (2025) | | | | |
| 33. | Marsh Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 12 | 0 | 36 | 9 | 26 | 10 | 24 (2024) | | | | |
| 34. | Icterine Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2025) | | | | |
| 35. | Savi's Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2025) | | | | |
| 36. | Grasshopper Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.5 | 1 | 1 | 2 (2025) | | | | |
| 37. | Blackcap | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 219 | 313 | 0 | 532 | 133 | 467 | 65 | 313 (2025) | | | | |
| 38. | Garden Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 13 | 0 | 28 | 7 | 24 | 4 | 15 (2024) | | | | |
| 39. | Lesser Whitethroat | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 11 | 0 | 28 | 7 | 22 | 6 | 17 (2024) | | | | |
| 40. | Whitethroat | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2024) | | | | |
| 41. | Firecrest | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 9 | 39 | 4 | 55 | 13.8 | 31 | 24 | 39 (2025) | | | | |
| 42. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 10 | 44 | 0 | 58 | 14.5 | 45 | 13 | 44 (2025) | | | | |
| 43. | Wren | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 41 | 34 | 4 | 80 | 20 | 43 | 37 | 41 (2024) | | | | |
| 44. | Short-toed Tree Creeper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 9 | 1 | 15 | 3.8 | 9 | 6 | 9 (2025) | | | | |
| 45. | Starling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 4 | 0 | 16 | 4 | 15 | 1 | 12 (2024) | | | | |
| 46. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 46 | 2 | 79 | 19.8 | 63 | 16 | 46 (2025) | | | | |
| 47. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 2 | 4 | 16 | 4 | 16 | 0 | 10 (2024) | | | | |
| 48. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 111 | 88 | 16 | 223 | 56 | 136 | 87 | 111 (2024) | | | | |
| 49. | Fieldfare | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0.8 | 3 | 0 | 3 (2026) | | | | |
| 50. | Ring Ouzel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2024) | | | | |
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| 51. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2025) | | | | |
| 52. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 82 | 123 | 9 | 218 | 55 | 156 | 62 | 123 (2025) | | | | |
| 53. | Pied Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2024) | | | | |
| 54. | Redstart | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 3 | 0.8 | 3 | 0 | 2 (2025) | | | | |
| 55. | House Sparrow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2025) | | | | |
| 56. | Dunnock | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 45 | 36 | 2 | 85 | 21.3 | 59 | 26 | 45 (2024) | | | | |
| 57. | Grey Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 3 | 0 | 7 | 1.8 | 7 | 0 | 4 (2024) | | | | |
| 58. | Chaffinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 47 | 63 | 18 | 128 | 32 | 110 | 18 | 63 (2025) | | | | |
| 59. | Brambling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 5 | 53 | 64 | 16 | 58 | 6 | 53 (2026) | | | | |
| 60. | Hawfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2025) | | | | |
| 61. | Bullfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2024) | | | | |
| 62. | Greenfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 126 | 236 | 44 | 406 | 102 | 339 | 67 | 236 (2025) | | | | |
| 63. | Mealy Redpoll | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 5 | 1.3 | 5 | 0 | 5 (2024) | | | | |
| 64. | Lesser Redpoll | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2024) | | | | |
| 65. | Goldfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 17 | 0 | 19 | 4.8 | 19 | 0 | 17 (2025) | | | | |
| 66. | Serin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2024) | | | | |
| 67. | Siskin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0.5 | 2 | 0 | 2 (2024) | | | | |
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| |
Totals |
0 | 0 | 0 | 0 | 0 | 0 | 111 | 1763 | 2080 | 422 | 4376 | 1094 | 2963 | 1413 | | |
| |
Observation hours |
| | | | | | 12:20 | 398:20 | 383:20 | 44:30 | 838:30 | 209:38 | | | | |