Select until 21 March
Totals VRS Rohel Tjeukemeer 2017 - 2026
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| 1. | Shoveler | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | | | | |
| 2. | Cuckoo | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 3 | 0.3 | 3 | 0 | 1 (2018) | | | | |
| 3. | Water Rail | 2 | 2 | 2 | 0 | 2 | 1 | 4 | 5 | 4 | 0 | 22 | 2.2 | 20 | 2 | 5 (2024) | | | | |
| 4. | Moorhen | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0.3 | 3 | 0 | 1 (2017) | | | | |
| 5. | Jack Snipe | 0 | 9 | 4 | 1 | 0 | 0 | 8 | 10 | 5 | 1 | 38 | 3.8 | 37 | 1 | 10 (2024) | | | | |
| 6. | Snipe | 0 | 22 | 6 | 12 | 0 | 1 | 75 | 48 | 85 | 0 | 249 | 25 | 242 | 7 | 85 (2025) | | | | |
| 7. | Bittern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2024) | | | | |
| 8. | Sparrowhawk | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 4 | 0.4 | 4 | 0 | 2 (2025) | | | | |
| 9. | Goshawk | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2024) | | | | |
| 10. | Common Buzzard | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | | | | |
| 11. | Barn Owl | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 0.4 | 3 | 1 | 1 (2017) | | | | |
| 12. | Long-eared Owl | 0 | 1 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 5 | 0.5 | 5 | 0 | 3 (2023) | | | | |
| 13. | Short-eared Owl | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0.2 | 2 | 0 | 1 (2017) | | | | |
| 14. | Kingfisher | 11 | 3 | 7 | 12 | 0 | 10 | 13 | 6 | 11 | 0 | 73 | 7.3 | 65 | 8 | 13 (2023) | | | | |
| 15. | Wryneck | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0.3 | 3 | 0 | 1 (2018) | | | | |
| 16. | Lesser Spotted Woodpecker | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2019) | | | | |
| 17. | Great Spotted Woodpecker | 10 | 1 | 1 | 8 | 2 | 6 | 8 | 8 | 9 | 0 | 53 | 5.3 | 45 | 8 | 10 (2017) | | | | |
| 18. | Merlin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 0 | 1 (2025) | | | | |
| 19. | Red-backed Shrike | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2017) | | | | |
| 20. | Jay | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 2 | 1 | 0 | 7 | 0.7 | 6 | 1 | 2 (2024) | | | | |
| 21. | Coal Tit | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2023) | | | | |
| 22. | Willow Tit | 13 | 5 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 21 | 2.1 | 17 | 4 | 13 (2017) | | | | |
| 23. | Blue Tit | 131 | 63 | 205 | 93 | 141 | 142 | 302 | 170 | 281 | 0 | 1528 | 153 | 1279 | 249 | 302 (2023) | | | | |
| 24. | Great Tit | 127 | 58 | 117 | 72 | 89 | 115 | 167 | 136 | 147 | 1 | 1029 | 103 | 847 | 182 | 167 (2023) | | | | |
| 25. | Bearded Tit | 6 | 9 | 27 | 4 | 23 | 35 | 59 | 46 | 105 | 0 | 314 | 31 | 272 | 42 | 105 (2025) | | | | |
| 26. | Skylark | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2023) | | | | |
| 27. | Sand Martin | 0 | 19 | 0 | 6 | 17 | 24 | 370 | 39 | 88 | 0 | 563 | 56 | 553 | 10 | 370 (2023) | | | | |
| 28. | Swallow | 17 | 63 | 43 | 35 | 130 | 96 | 186 | 88 | 252 | 0 | 910 | 91 | 896 | 14 | 252 (2025) | | | | |
| 29. | House Martin | 0 | 3 | 0 | 0 | 2 | 1 | 3 | 0 | 4 | 0 | 13 | 1.3 | 13 | 0 | 4 (2025) | | | | |
| 30. | Cetti's Warbler | 0 | 2 | 14 | 16 | 35 | 37 | 146 | 119 | 158 | 1 | 528 | 53 | 238 | 290 | 158 (2025) | | | | |
| 31. | Long-tailed Tit | 53 | 7 | 12 | 0 | 0 | 0 | 29 | 12 | 19 | 0 | 132 | 13 | 87 | 45 | 53 (2017) | | | | |
| 32. | Wood Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2023) | | | | |
| 33. | Yellow-browed Warbler | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | | | | |
| 34. | Willow Warbler | 138 | 107 | 88 | 99 | 71 | 73 | 74 | 50 | 59 | 0 | 759 | 76 | 702 | 57 | 138 (2017) | | | | |
| 35. | Chiffchaff | 249 | 104 | 129 | 110 | 186 | 179 | 314 | 298 | 429 | 10 | 2008 | 201 | 1810 | 198 | 429 (2025) | | | | |
| 36. | Chiffchaff (Siberian - tristis) | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2021) | | | | |
| 37. | Great Reed Warbler | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 0 | 4 | 0 | 10 | 1 | 9 | 1 | 5 (2023) | | | | |
| 38. | Aquatic Warbler | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 4 | 0.4 | 4 | 0 | 2 (2021) | | | | |
| 39. | Sedge Warbler | 200 | 191 | 191 | 325 | 370 | 320 | 687 | 343 | 507 | 0 | 3134 | 313 | 2583 | 551 | 687 (2023) | | | | |
| 40. | Reed Warbler | 387 | 380 | 418 | 339 | 386 | 480 | 382 | 365 | 518 | 0 | 3655 | 366 | 2998 | 657 | 518 (2025) | | | | |
| 41. | Marsh Warbler | 25 | 43 | 35 | 33 | 21 | 31 | 41 | 27 | 37 | 0 | 293 | 29 | 239 | 54 | 43 (2018) | | | | |
| 42. | Icterine Warbler | 11 | 6 | 8 | 11 | 10 | 9 | 13 | 16 | 6 | 0 | 90 | 9 | 89 | 1 | 16 (2024) | | | | |
| 43. | Savi's Warbler | 5 | 6 | 16 | 12 | 11 | 5 | 21 | 9 | 22 | 0 | 107 | 11 | 98 | 9 | 22 (2025) | | | | |
| 44. | Grasshopper Warbler | 6 | 6 | 20 | 32 | 23 | 10 | 15 | 18 | 12 | 0 | 142 | 14 | 84 | 58 | 32 (2020) | | | | |
| 45. | Blackcap | 415 | 258 | 276 | 245 | 232 | 241 | 263 | 155 | 206 | 0 | 2291 | 229 | 2185 | 106 | 415 (2017) | | | | |
| 46. | Garden Warbler | 106 | 53 | 38 | 23 | 26 | 30 | 74 | 74 | 56 | 0 | 480 | 48 | 399 | 81 | 106 (2017) | | | | |
| 47. | Lesser Whitethroat | 33 | 16 | 12 | 9 | 6 | 14 | 17 | 18 | 14 | 0 | 139 | 14 | 135 | 4 | 33 (2017) | | | | |
| 48. | Whitethroat | 70 | 98 | 56 | 45 | 54 | 39 | 89 | 36 | 27 | 0 | 514 | 51 | 437 | 77 | 98 (2018) | | | | |
| 49. | Firecrest | 3 | 3 | 0 | 1 | 1 | 2 | 7 | 1 | 5 | 0 | 23 | 2.3 | 23 | 0 | 7 (2023) | | | | |
| 50. | Goldcrest | 1 | 5 | 2 | 1 | 0 | 0 | 6 | 2 | 20 | 0 | 37 | 3.7 | 37 | 0 | 20 (2025) | | | | |
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| 51. | Wren | 52 | 48 | 25 | 31 | 27 | 49 | 68 | 63 | 48 | 4 | 415 | 42 | 351 | 64 | 68 (2023) | | | | |
| 52. | Nuthatch | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | | | | |
| 53. | Short-toed Tree Creeper | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 5 | 0.5 | 5 | 0 | 1 (2017) | | | | |
| 54. | Starling | 245 | 58 | 17 | 33 | 6 | 84 | 14 | 4 | 5 | 0 | 466 | 47 | 463 | 3 | 245 (2017) | | | | |
| 55. | Song Thrush | 23 | 36 | 46 | 15 | 53 | 22 | 54 | 29 | 56 | 0 | 334 | 33 | 317 | 17 | 56 (2025) | | | | |
| 56. | Redwing | 84 | 20 | 53 | 66 | 141 | 9 | 197 | 136 | 153 | 0 | 859 | 86 | 857 | 2 | 197 (2023) | | | | |
| 57. | Blackbird | 34 | 43 | 22 | 31 | 26 | 44 | 69 | 39 | 55 | 0 | 363 | 36 | 312 | 51 | 69 (2023) | | | | |
| 58. | Fieldfare | 0 | 6 | 0 | 1 | 0 | 0 | 24 | 1 | 6 | 0 | 38 | 3.8 | 38 | 0 | 24 (2023) | | | | |
| 59. | Spotted Flycatcher | 2 | 2 | 1 | 2 | 1 | 3 | 3 | 1 | 1 | 0 | 16 | 1.6 | 16 | 0 | 3 (2022) | | | | |
| 60. | Robin | 77 | 103 | 117 | 129 | 99 | 141 | 153 | 124 | 128 | 2 | 1073 | 107 | 964 | 109 | 153 (2023) | | | | |
| 61. | Nightingale | 5 | 0 | 2 | 0 | 3 | 1 | 2 | 0 | 2 | 0 | 15 | 1.5 | 13 | 2 | 5 (2017) | | | | |
| 62. | Bluethroat | 18 | 15 | 10 | 8 | 8 | 7 | 7 | 14 | 6 | 0 | 93 | 9.3 | 82 | 11 | 18 (2017) | | | | |
| 63. | Luscinia svecica svecica | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2020) | | | | |
| 64. | White-spotted Bluethroat | 7 | 3 | 7 | 7 | 5 | 2 | 6 | 16 | 6 | 0 | 59 | 5.9 | 44 | 15 | 16 (2024) | | | | |
| 65. | Pied Flycatcher | 3 | 0 | 3 | 0 | 2 | 2 | 2 | 2 | 1 | 0 | 15 | 1.5 | 15 | 0 | 3 (2017) | | | | |
| 66. | Black Redstart | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2021) | | | | |
| 67. | Redstart | 4 | 2 | 3 | 4 | 6 | 1 | 4 | 1 | 2 | 0 | 27 | 2.7 | 27 | 0 | 6 (2021) | | | | |
| 68. | Whinchat | 2 | 2 | 1 | 0 | 0 | 3 | 1 | 1 | 2 | 0 | 12 | 1.2 | 12 | 0 | 3 (2022) | | | | |
| 69. | Stonechat | 0 | 3 | 2 | 3 | 0 | 0 | 2 | 3 | 4 | 0 | 17 | 1.7 | 17 | 0 | 4 (2025) | | | | |
| 70. | Wheatear | 0 | 3 | 0 | 2 | 0 | 0 | 1 | 1 | 0 | 0 | 7 | 0.7 | 7 | 0 | 3 (2018) | | | | |
| 71. | Tree Sparrow | 21 | 2 | 20 | 4 | 16 | 1 | 8 | 2 | 0 | 0 | 74 | 7.4 | 72 | 2 | 21 (2017) | | | | |
| 72. | House Sparrow | 12 | 12 | 25 | 20 | 10 | 8 | 10 | 1 | 2 | 0 | 100 | 10 | 97 | 3 | 25 (2019) | | | | |
| 73. | Yellow-Crowned Bishop | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2022) | | | | |
| 74. | Dunnock | 24 | 7 | 4 | 9 | 2 | 5 | 4 | 4 | 6 | 0 | 65 | 6.5 | 57 | 8 | 24 (2017) | | | | |
| 75. | Blue-headed Wagtail | 0 | 1 | 1 | 0 | 0 | 0 | 3 | 1 | 24 | 0 | 30 | 3 | 30 | 0 | 24 (2025) | | | | |
| 76. | Grey Wagtail | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | | | | |
| 77. | White Wagtail | 3 | 1 | 0 | 0 | 3 | 1 | 2 | 4 | 7 | 0 | 21 | 2.1 | 21 | 0 | 7 (2025) | | | | |
| 78. | Meadow Pipit | 0 | 0 | 3 | 2 | 2 | 11 | 68 | 47 | 25 | 0 | 158 | 16 | 158 | 0 | 68 (2023) | | | | |
| 79. | Tree Pipit | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 2 | 0 | 0 | 5 | 0.5 | 5 | 0 | 2 (2024) | | | | |
| 80. | Water Pipit | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2019) | | | | |
| 81. | Chaffinch | 1 | 3 | 1 | 2 | 3 | 1 | 5 | 6 | 2 | 0 | 24 | 2.4 | 24 | 0 | 6 (2024) | | | | |
| 82. | Brambling | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2023) | | | | |
| 83. | Bullfinch | 7 | 0 | 5 | 1 | 0 | 0 | 3 | 4 | 3 | 0 | 23 | 2.3 | 17 | 6 | 7 (2017) | | | | |
| 84. | Greenfinch | 0 | 0 | 3 | 6 | 0 | 3 | 2 | 5 | 1 | 0 | 20 | 2 | 20 | 0 | 6 (2020) | | | | |
| 85. | Linnet | 0 | 0 | 8 | 19 | 4 | 0 | 1 | 4 | 3 | 0 | 39 | 3.9 | 35 | 4 | 19 (2020) | | | | |
| 86. | Goldfinch | 3 | 10 | 11 | 9 | 3 | 1 | 3 | 0 | 5 | 0 | 45 | 4.5 | 44 | 1 | 11 (2019) | | | | |
| 87. | Reed Bunting | 85 | 253 | 155 | 138 | 175 | 133 | 333 | 247 | 324 | 15 | 1858 | 186 | 1538 | 320 | 333 (2023) | | | | |
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| |
Totals |
2738 | 2185 | 2278 | 2090 | 2439 | 2441 | 4442 | 2869 | 3974 | 34 | 25490 | 2549 | 22154 | 3336 | | |
| |
Observation hours |
147:55 | 163:03 | 156:15 | 147:30 | 178:50 | 174:46 | 261:05 | 270:35 | 273:45 | 10:50 | 1,784:34 | 178:27 | | | | |