Select until 15 December
Totals Preux-au-Bois (59) 2016 - 2025
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| 1. | Collared Dove | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | | | | |
| 2. | Sparrowhawk | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | | | | |
| 3. | Long-eared Owl | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | | | | |
| 4. | Wryneck | 0 | 1 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 0.8 | 7 | 0 | 4 (2018) | | | | |
| 5. | Great Spotted Woodpecker | 0 | 0 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0.8 | 5 | 2 | 6 (2018) | | | | |
| 6. | Green Woodpecker | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | | | | |
| 7. | Red-backed Shrike | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2018) | | | | |
| 8. | Coal Tit | 0 | 33 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 35 | 3.9 | 35 | 0 | 33 (2017) | | | | |
| 9. | Crested Tit | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | | | | |
| 10. | Marsh Tit | 5 | 13 | 7 | 11 | 1 | 3 | 5 | 0 | 1 | 6 | 52 | 5.8 | 31 | 21 | 13 (2017) | | | | |
| 11. | Blue Tit | 140 | 588 | 709 | 614 | 38 | 142 | 375 | 0 | 128 | 268 | 3002 | 334 | 1698 | 1304 | 709 (2018) | | | | |
| 12. | Great Tit | 75 | 481 | 414 | 370 | 11 | 99 | 241 | 0 | 111 | 196 | 1998 | 222 | 1098 | 900 | 481 (2017) | | | | |
| 13. | Swallow | 0 | 0 | 1 | 0 | 11 | 0 | 4 | 0 | 0 | 0 | 16 | 1.8 | 16 | 0 | 11 (2020) | | | | |
| 14. | House Martin | 0 | 0 | 0 | 0 | 82 | 0 | 0 | 0 | 0 | 0 | 82 | 9.1 | 82 | 0 | 82 (2020) | | | | |
| 15. | Cetti's Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2022) | | | | |
| 16. | Long-tailed Tit | 10 | 1 | 17 | 2 | 0 | 0 | 4 | 0 | 0 | 0 | 34 | 3.8 | 33 | 1 | 17 (2018) | | | | |
| 17. | Hume's Warbler | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | | | | |
| 18. | Willow Warbler | 0 | 18 | 13 | 7 | 17 | 0 | 4 | 0 | 0 | 0 | 59 | 6.6 | 59 | 0 | 18 (2017) | | | | |
| 19. | Chiffchaff | 1 | 64 | 57 | 91 | 32 | 0 | 42 | 0 | 0 | 0 | 287 | 32 | 273 | 14 | 91 (2019) | | | | |
| 20. | Sedge Warbler | 0 | 4 | 6 | 5 | 0 | 0 | 3 | 0 | 0 | 0 | 18 | 2 | 17 | 1 | 6 (2018) | | | | |
| 21. | Reed Warbler | 0 | 37 | 100 | 119 | 101 | 0 | 92 | 0 | 0 | 0 | 449 | 50 | 435 | 14 | 119 (2019) | | | | |
| 22. | Marsh Warbler | 0 | 3 | 13 | 11 | 5 | 0 | 1 | 0 | 0 | 0 | 33 | 3.7 | 32 | 1 | 13 (2018) | | | | |
| 23. | Melodious Warbler | 0 | 1 | 8 | 4 | 4 | 0 | 2 | 0 | 0 | 0 | 19 | 2.1 | 19 | 0 | 8 (2018) | | | | |
| 24. | Icterine Warbler | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2018) | | | | |
| 25. | Grasshopper Warbler | 0 | 6 | 6 | 2 | 6 | 0 | 1 | 0 | 0 | 0 | 21 | 2.3 | 18 | 3 | 6 (2017) | | | | |
| 26. | Blackcap | 0 | 145 | 287 | 265 | 164 | 0 | 120 | 0 | 0 | 0 | 981 | 109 | 952 | 29 | 287 (2018) | | | | |
| 27. | Garden Warbler | 0 | 14 | 35 | 37 | 26 | 0 | 40 | 0 | 0 | 0 | 152 | 17 | 148 | 4 | 40 (2022) | | | | |
| 28. | Lesser Whitethroat | 0 | 2 | 4 | 6 | 2 | 0 | 1 | 0 | 0 | 0 | 15 | 1.7 | 15 | 0 | 6 (2019) | | | | |
| 29. | Whitethroat | 0 | 24 | 39 | 36 | 46 | 0 | 6 | 0 | 0 | 0 | 151 | 17 | 142 | 9 | 46 (2020) | | | | |
| 30. | Firecrest | 0 | 17 | 19 | 31 | 3 | 0 | 9 | 0 | 0 | 1 | 80 | 8.9 | 80 | 0 | 31 (2019) | | | | |
| 31. | Goldcrest | 0 | 8 | 82 | 46 | 0 | 1 | 1 | 0 | 0 | 0 | 138 | 15 | 137 | 1 | 82 (2018) | | | | |
| 32. | Wren | 1 | 12 | 33 | 13 | 1 | 3 | 6 | 0 | 1 | 2 | 72 | 8 | 54 | 18 | 33 (2018) | | | | |
| 33. | Nuthatch | 0 | 1 | 2 | 2 | 0 | 2 | 1 | 0 | 5 | 3 | 16 | 1.8 | 15 | 1 | 5 (2024) | | | | |
| 34. | Short-toed Tree Creeper | 0 | 2 | 4 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | 11 | 1.2 | 11 | 0 | 4 (2018) | | | | |
| 35. | Starling | 0 | 5 | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 1.7 | 15 | 0 | 8 (2018) | | | | |
| 36. | Song Thrush | 0 | 13 | 14 | 8 | 3 | 0 | 3 | 0 | 0 | 0 | 41 | 4.6 | 40 | 1 | 14 (2018) | | | | |
| 37. | Redwing | 0 | 2 | 1 | 3 | 0 | 0 | 1 | 0 | 0 | 1 | 8 | 0.9 | 8 | 0 | 3 (2019) | | | | |
| 38. | Blackbird | 4 | 45 | 72 | 39 | 8 | 3 | 18 | 0 | 2 | 6 | 197 | 22 | 137 | 60 | 72 (2018) | | | | |
| 39. | Spotted Flycatcher | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 3 | 0.3 | 3 | 0 | 1 (2018) | | | | |
| 40. | Robin | 16 | 118 | 111 | 85 | 20 | 5 | 36 | 0 | 1 | 9 | 401 | 45 | 320 | 81 | 118 (2017) | | | | |
| 41. | Nightingale | 0 | 1 | 1 | 3 | 1 | 0 | 1 | 0 | 0 | 0 | 7 | 0.8 | 7 | 0 | 3 (2019) | | | | |
| 42. | Pied Flycatcher | 0 | 1 | 3 | 1 | 3 | 0 | 1 | 0 | 0 | 0 | 9 | 1 | 9 | 0 | 3 (2018) | | | | |
| 43. | Black Redstart | 0 | 1 | 6 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 12 | 1.3 | 11 | 1 | 6 (2018) | | | | |
| 44. | Redstart | 0 | 1 | 5 | 4 | 5 | 0 | 0 | 0 | 0 | 0 | 15 | 1.7 | 14 | 1 | 5 (2018) | | | | |
| 45. | House Sparrow | 79 | 170 | 299 | 280 | 40 | 62 | 116 | 0 | 10 | 0 | 1056 | 117 | 776 | 280 | 299 (2018) | | | | |
| 46. | Dunnock | 2 | 49 | 67 | 26 | 10 | 2 | 36 | 0 | 0 | 3 | 195 | 22 | 145 | 50 | 67 (2018) | | | | |
| 47. | Grey Wagtail | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | | | | |
| 48. | White Wagtail | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0.3 | 2 | 1 | 2 (2018) | | | | |
| 49. | Tree Pipit | 0 | 10 | 6 | 2 | 1 | 0 | 5 | 0 | 0 | 0 | 24 | 2.7 | 24 | 0 | 10 (2017) | | | | |
| 50. | Chaffinch | 2 | 27 | 66 | 34 | 1 | 5 | 15 | 0 | 3 | 16 | 169 | 19 | 154 | 15 | 66 (2018) | | | | |
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| 51. | Brambling | 0 | 3 | 3 | 6 | 0 | 5 | 18 | 0 | 1 | 3 | 39 | 4.3 | 38 | 1 | 18 (2022) | | | | |
| 52. | Hawfinch | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0.6 | 4 | 1 | 5 (2018) | | | | |
| 53. | Bullfinch | 0 | 3 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 7 | 0.8 | 7 | 0 | 3 (2017) | | | | |
| 54. | Greenfinch | 2 | 375 | 113 | 80 | 0 | 39 | 47 | 0 | 14 | 15 | 685 | 76 | 610 | 75 | 375 (2017) | | | | |
| 55. | Linnet | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | | | | |
| 56. | Mealy Redpoll | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2017) | | | | |
| 57. | Lesser Redpoll | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0.4 | 4 | 0 | 3 (2018) | | | | |
| 58. | Goldfinch | 1 | 283 | 171 | 312 | 2 | 8 | 22 | 0 | 10 | 0 | 809 | 90 | 624 | 185 | 312 (2019) | | | | |
| 59. | Siskin | 0 | 0 | 20 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 24 | 2.7 | 23 | 1 | 20 (2018) | | | | |
| 60. | Yellowhammer | 0 | 11 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 14 | 1.6 | 14 | 0 | 11 (2017) | | | | |
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| |
Totals |
338 | 2599 | 2851 | 2571 | 652 | 382 | 1283 | 0 | 287 | 529 | 11492 | 1277 | 8416 | 3076 | | |
| |
Observation hours |
| 142:10 | 211:45 | 128:00 | 46:45 | 8:00 | 37:45 | | 7:00 | 12:30 | 593:55 | 65:59 | | | | |