Select until 1 January
Totals Dassenbos, Wageningen 2016 - 2025
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| 1. | Woodpigeon | 1 | 4 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 8 | 0.8 | 8 | 0 | 4 (2017) | | | | |
| 2. | Collared Dove | 1 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0.5 | 5 | 0 | 2 (2017) | | | | |
| 3. | Woodcock | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 4 | 0.4 | 4 | 0 | 1 (2018) | | | | |
| 4. | Sparrowhawk | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0.3 | 3 | 0 | 1 (2017) | | | | |
| 5. | Goshawk | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | | | | |
| 6. | Common Buzzard | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0.3 | 2 | 1 | 2 (2021) | | | | |
| 7. | Kingfisher | 6 | 3 | 1 | 0 | 1 | 1 | 0 | 2 | 3 | 2 | 19 | 1.9 | 12 | 7 | 6 (2016) | | | | |
| 8. | Middle Spotted Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2023) | | | | |
| 9. | Lesser Spotted Woodpecker | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2020) | | | | |
| 10. | Great Spotted Woodpecker | 6 | 17 | 8 | 14 | 7 | 7 | 3 | 7 | 8 | 4 | 81 | 8.1 | 38 | 43 | 17 (2017) | | | | |
| 11. | Green Woodpecker | 1 | 3 | 0 | 0 | 2 | 1 | 1 | 6 | 4 | 0 | 18 | 1.8 | 10 | 8 | 6 (2023) | | | | |
| 12. | Jay | 14 | 8 | 6 | 10 | 6 | 5 | 2 | 6 | 7 | 4 | 68 | 6.8 | 50 | 18 | 14 (2016) | | | | |
| 13. | Magpie | 2 | 1 | 1 | 2 | 1 | 2 | 1 | 1 | 0 | 2 | 13 | 1.3 | 13 | 0 | 2 (2016) | | | | |
| 14. | Carrion Crow | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2022) | | | | |
| 15. | Coal Tit | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2019) | | | | |
| 16. | Marsh Tit | 3 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 10 | 1 | 4 | 6 | 4 (2018) | | | | |
| 17. | Blue Tit | 43 | 96 | 41 | 94 | 72 | 78 | 51 | 92 | 64 | 158 | 789 | 79 | 460 | 329 | 158 (2025) | | | | |
| 18. | Great Tit | 89 | 187 | 171 | 432 | 218 | 225 | 132 | 228 | 147 | 249 | 2078 | 208 | 959 | 1119 | 432 (2019) | | | | |
| 19. | Swallow | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 2 (2018) | | | | |
| 20. | Cetti's Warbler | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2021) | | | | |
| 21. | Long-tailed Tit | 9 | 16 | 14 | 20 | 10 | 7 | 0 | 0 | 6 | 13 | 95 | 9.5 | 58 | 37 | 20 (2019) | | | | |
| 22. | Willow Warbler | 2 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 9 | 0.9 | 6 | 3 | 3 (2025) | | | | |
| 23. | Chiffchaff | 63 | 45 | 20 | 27 | 42 | 34 | 50 | 36 | 52 | 44 | 413 | 41 | 236 | 177 | 63 (2016) | | | | |
| 24. | Reed Warbler | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 0 | 1 | 3 | 8 | 0.8 | 6 | 2 | 3 (2020) | | | | |
| 25. | Marsh Warbler | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 2 (2020) | | | | |
| 26. | Blackcap | 62 | 152 | 73 | 118 | 87 | 94 | 79 | 74 | 86 | 51 | 876 | 88 | 529 | 347 | 152 (2017) | | | | |
| 27. | Garden Warbler | 7 | 3 | 3 | 0 | 0 | 2 | 0 | 0 | 5 | 4 | 24 | 2.4 | 11 | 13 | 7 (2016) | | | | |
| 28. | Lesser Whitethroat | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0.5 | 4 | 1 | 2 (2016) | | | | |
| 29. | Firecrest | 6 | 23 | 12 | 22 | 16 | 25 | 17 | 19 | 27 | 27 | 194 | 19 | 90 | 104 | 27 (2024) | | | | |
| 30. | Goldcrest | 14 | 7 | 3 | 6 | 10 | 8 | 0 | 8 | 11 | 13 | 80 | 8 | 56 | 24 | 14 (2016) | | | | |
| 31. | Wren | 63 | 64 | 43 | 49 | 62 | 66 | 58 | 53 | 57 | 60 | 575 | 58 | 274 | 301 | 66 (2021) | | | | |
| 32. | Nuthatch | 6 | 17 | 9 | 14 | 3 | 10 | 8 | 7 | 0 | 3 | 77 | 7.7 | 27 | 50 | 17 (2017) | | | | |
| 33. | Short-toed Tree Creeper | 48 | 49 | 32 | 34 | 44 | 36 | 18 | 32 | 34 | 18 | 345 | 35 | 98 | 247 | 49 (2017) | | | | |
| 34. | Song Thrush | 66 | 42 | 28 | 36 | 51 | 43 | 21 | 24 | 20 | 31 | 362 | 36 | 256 | 106 | 66 (2016) | | | | |
| 35. | Redwing | 0 | 7 | 3 | 8 | 4 | 7 | 2 | 4 | 7 | 8 | 50 | 5 | 48 | 2 | 8 (2019) | | | | |
| 36. | Blackbird | 205 | 133 | 93 | 105 | 152 | 134 | 98 | 85 | 108 | 59 | 1172 | 117 | 577 | 595 | 205 (2016) | | | | |
| 37. | Spotted Flycatcher | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 4 | 0.4 | 4 | 0 | 2 (2020) | | | | |
| 38. | Robin | 136 | 150 | 83 | 126 | 151 | 127 | 180 | 83 | 109 | 117 | 1262 | 126 | 659 | 603 | 180 (2022) | | | | |
| 39. | Nightingale | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 0 | 1 (2024) | | | | |
| 40. | Pied Flycatcher | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 0.3 | 3 | 0 | 2 (2020) | | | | |
| 41. | Redstart | 2 | 0 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 6 | 0.6 | 6 | 0 | 2 (2016) | | | | |
| 42. | House Sparrow | 6 | 6 | 2 | 0 | 3 | 3 | 1 | 6 | 0 | 0 | 27 | 2.7 | 26 | 1 | 6 (2016) | | | | |
| 43. | Dunnock | 28 | 56 | 15 | 34 | 32 | 36 | 20 | 26 | 31 | 16 | 294 | 29 | 147 | 147 | 56 (2017) | | | | |
| 44. | Grey Wagtail | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2016) | | | | |
| 45. | Tree Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 0 | 1 (2024) | | | | |
| 46. | Chaffinch | 19 | 14 | 17 | 17 | 30 | 45 | 15 | 24 | 14 | 24 | 219 | 22 | 189 | 30 | 45 (2021) | | | | |
| 47. | Brambling | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 2 (2021) | | | | |
| 48. | Bullfinch | 0 | 7 | 3 | 4 | 5 | 4 | 2 | 4 | 1 | 1 | 31 | 3.1 | 25 | 6 | 7 (2017) | | | | |
| 49. | Greenfinch | 5 | 1 | 2 | 30 | 6 | 6 | 1 | 2 | 3 | 2 | 58 | 5.8 | 54 | 4 | 30 (2019) | | | | |
| 50. | Siskin | 0 | 1 | 6 | 0 | 9 | 0 | 0 | 3 | 0 | 31 | 50 | 5 | 50 | 0 | 31 (2025) | | | | |
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| |
Totals |
917 | 1123 | 701 | 1207 | 1038 | 1014 | 763 | 833 | 810 | 947 | 9353 | 935 | 5022 | 4331 | | |
| |
Observation hours |
138:50 | 208:17 | 142:25 | 131:50 | 173:45 | 177:15 | 141:20 | 133:40 | 170:53 | 158:50 | 1,577:05 | 157:43 | | | | |