Select until 18 June
Totals VRS Hengforden (Olst) 2016 - 2025
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |||||
| 1. | Woodpigeon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 0 | 1 (2024) | ||||
| 2. | Sparrowhawk | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 4 | 0.4 | 4 | 0 | 1 (2020) | ||||
| 3. | Common Buzzard | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2021) | ||||
| 4. | Kingfisher | 3 | 0 | 0 | 0 | 2 | 4 | 1 | 4 | 3 | 0 | 17 | 1.7 | 17 | 0 | 4 (2021) | ||||
| 5. | Wryneck | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 3 | 0.3 | 3 | 0 | 2 (2023) | ||||
| 6. | Middle Spotted Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2022) | ||||
| 7. | Great Spotted Woodpecker | 0 | 5 | 0 | 2 | 12 | 33 | 9 | 6 | 10 | 0 | 77 | 7.7 | 56 | 21 | 33 (2021) | ||||
| 8. | Green Woodpecker | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2016) | ||||
| 9. | Jay | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 2 | 0 | 0 | 7 | 0.7 | 7 | 0 | 2 (2020) | ||||
| 10. | Magpie | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 2 (2021) | ||||
| 11. | Coal Tit | 0 | 0 | 0 | 0 | 16 | 22 | 6 | 1 | 4 | 0 | 49 | 4.9 | 41 | 8 | 22 (2021) | ||||
| 12. | Crested Tit | 0 | 0 | 0 | 0 | 10 | 7 | 4 | 5 | 3 | 0 | 29 | 2.9 | 15 | 14 | 10 (2020) | ||||
| 13. | Marsh Tit | 10 | 6 | 2 | 10 | 23 | 12 | 13 | 9 | 6 | 0 | 91 | 9.1 | 47 | 44 | 23 (2020) | ||||
| 14. | Willow Tit | 0 | 0 | 0 | 0 | 4 | 10 | 5 | 2 | 0 | 0 | 21 | 2.1 | 7 | 14 | 10 (2021) | ||||
| 15. | Blue Tit | 58 | 36 | 25 | 66 | 192 | 313 | 228 | 208 | 68 | 1 | 1195 | 120 | 902 | 293 | 313 (2021) | ||||
| 16. | Great Tit | 84 | 64 | 60 | 55 | 262 | 349 | 389 | 268 | 96 | 7 | 1634 | 163 | 951 | 683 | 389 (2022) | ||||
| 17. | Skylark | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 4 | 0.4 | 4 | 0 | 4 (2022) | ||||
| 18. | Swallow | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | ||||
| 19. | Cetti's Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 6 | 0.6 | 3 | 3 | 6 (2024) | ||||
| 20. | Long-tailed Tit | 15 | 9 | 2 | 0 | 23 | 1 | 14 | 10 | 5 | 2 | 81 | 8.1 | 64 | 17 | 23 (2020) | ||||
| 21. | Willow Warbler | 5 | 2 | 0 | 0 | 16 | 10 | 14 | 19 | 6 | 3 | 75 | 7.5 | 51 | 24 | 19 (2023) | ||||
| 22. | Chiffchaff | 61 | 23 | 0 | 3 | 33 | 42 | 49 | 47 | 45 | 23 | 326 | 33 | 211 | 115 | 61 (2016) | ||||
| 23. | Chiffchaff/Willow Warbler | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2021) | ||||
| 24. | Sedge Warbler | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 3 | 0.3 | 3 | 0 | 1 (2020) | ||||
| 25. | Reed Warbler | 8 | 1 | 0 | 0 | 5 | 4 | 28 | 17 | 22 | 1 | 86 | 8.6 | 84 | 2 | 28 (2022) | ||||
| 26. | Marsh Warbler | 1 | 0 | 0 | 0 | 1 | 2 | 4 | 11 | 1 | 0 | 20 | 2 | 20 | 0 | 11 (2023) | ||||
| 27. | Icterine Warbler | 3 | 3 | 0 | 0 | 0 | 5 | 5 | 1 | 0 | 0 | 17 | 1.7 | 15 | 2 | 5 (2021) | ||||
| 28. | Savi's Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2023) | ||||
| 29. | Grasshopper Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 2 | 0 | 7 | 0.7 | 7 | 0 | 4 (2022) | ||||
| 30. | Blackcap | 160 | 47 | 0 | 2 | 130 | 157 | 271 | 209 | 100 | 16 | 1092 | 109 | 975 | 117 | 271 (2022) | ||||
| 31. | Garden Warbler | 32 | 17 | 0 | 0 | 17 | 16 | 23 | 33 | 26 | 20 | 184 | 18 | 126 | 58 | 33 (2023) | ||||
| 32. | Lesser Whitethroat | 5 | 2 | 0 | 0 | 3 | 6 | 0 | 5 | 3 | 0 | 24 | 2.4 | 20 | 4 | 6 (2021) | ||||
| 33. | Whitethroat | 8 | 3 | 0 | 0 | 15 | 22 | 24 | 23 | 15 | 23 | 133 | 13 | 109 | 24 | 24 (2022) | ||||
| 34. | Firecrest | 5 | 1 | 0 | 0 | 1 | 1 | 0 | 7 | 3 | 0 | 18 | 1.8 | 15 | 3 | 7 (2023) | ||||
| 35. | Goldcrest | 3 | 2 | 0 | 0 | 10 | 3 | 4 | 6 | 0 | 0 | 28 | 2.8 | 25 | 3 | 10 (2020) | ||||
| 36. | Wren | 23 | 16 | 1 | 0 | 14 | 28 | 26 | 20 | 9 | 2 | 139 | 14 | 74 | 65 | 28 (2021) | ||||
| 37. | Nuthatch | 1 | 4 | 4 | 4 | 10 | 16 | 12 | 11 | 3 | 0 | 65 | 6.5 | 39 | 26 | 16 (2021) | ||||
| 38. | Short-toed Tree Creeper | 0 | 1 | 0 | 1 | 5 | 5 | 3 | 9 | 1 | 0 | 25 | 2.5 | 14 | 11 | 9 (2023) | ||||
| 39. | Starling | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | ||||
| 40. | Song Thrush | 15 | 7 | 0 | 0 | 21 | 20 | 41 | 13 | 7 | 1 | 125 | 13 | 104 | 21 | 41 (2022) | ||||
| 41. | Redwing | 1 | 0 | 0 | 0 | 19 | 1 | 12 | 0 | 0 | 0 | 33 | 3.3 | 33 | 0 | 19 (2020) | ||||
| 42. | Blackbird | 27 | 17 | 2 | 0 | 32 | 30 | 35 | 20 | 28 | 14 | 205 | 21 | 133 | 72 | 35 (2022) | ||||
| 43. | Ring Ouzel | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2020) | ||||
| 44. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2023) | ||||
| 45. | Robin | 57 | 21 | 5 | 0 | 109 | 185 | 100 | 96 | 21 | 12 | 606 | 61 | 533 | 73 | 185 (2021) | ||||
| 46. | Nightingale | 0 | 0 | 0 | 0 | 8 | 9 | 13 | 19 | 2 | 0 | 51 | 5.1 | 23 | 28 | 19 (2023) | ||||
| 47. | Pied Flycatcher | 1 | 0 | 0 | 0 | 70 | 0 | 0 | 0 | 1 | 0 | 72 | 7.2 | 72 | 0 | 70 (2020) | ||||
| 48. | Redstart | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 3 | 0.3 | 3 | 0 | 2 (2020) | ||||
| 49. | Tree Sparrow | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 4 | 0.4 | 4 | 0 | 2 (2017) | ||||
| 50. | House Sparrow | 40 | 15 | 8 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 81 | 8.1 | 73 | 8 | 40 (2016) | ||||
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |||||
| 51. | Dunnock | 24 | 13 | 6 | 1 | 17 | 30 | 30 | 30 | 14 | 5 | 170 | 17 | 110 | 60 | 30 (2021) | ||||
| 52. | White Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 1 | 0 | 1 (2025) | ||||
| 53. | Tree Pipit | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2016) | ||||
| 54. | Chaffinch | 18 | 5 | 2 | 1 | 44 | 60 | 32 | 42 | 9 | 5 | 218 | 22 | 201 | 17 | 60 (2021) | ||||
| 55. | Hawfinch | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 8 | 1 | 0 | 10 | 1 | 10 | 0 | 8 (2023) | ||||
| 56. | Bullfinch | 8 | 5 | 0 | 0 | 5 | 7 | 8 | 4 | 11 | 1 | 49 | 4.9 | 34 | 15 | 11 (2024) | ||||
| 57. | Greenfinch | 15 | 13 | 1 | 0 | 0 | 2 | 2 | 1 | 0 | 0 | 34 | 3.4 | 33 | 1 | 15 (2016) | ||||
| 58. | Linnet | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0.4 | 4 | 0 | 3 (2016) | ||||
| 59. | Goldfinch | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2022) | ||||
| 60. | Siskin | 1 | 0 | 0 | 0 | 0 | 7 | 0 | 5 | 0 | 0 | 13 | 1.3 | 13 | 0 | 7 (2021) | ||||
| 61. | Yellowhammer | 4 | 6 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 2.4 | 22 | 2 | 14 (2018) | ||||
| 62. | Reed Bunting | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | ||||
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |||||
| Totals | 701 | 349 | 132 | 145 | 1136 | 1428 | 1420 | 1180 | 551 | 138 | 7180 | 718 | 5332 | 1848 | ||||||
| Observation hours | 215:13 | 130:05 | 39:45 | 12:30 | 145:55 | 235:30 | 171:06 | 166:24 | 115:06 | 48:00 | 1,279:34 | 127:57 | ||||||||
