Totals VRS De Haar 2015 - 2024
| Species | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Totals | Average | Newly ringed | Retraps | Year Maximum | |||||
| 1. | Canada Goose | 0 | 0 | 82 | 0 | 0 | 2 | 1 | 15 | 1 | 0 | 101 | 10 | 101 | 0 | 82 (2017) | ||||
| 2. | Barnacle Goose | 0 | 0 | 17 | 22 | 9 | 0 | 0 | 7 | 0 | 0 | 55 | 5.5 | 39 | 16 | 22 (2018) | ||||
| 3. | Greylag Goose | 0 | 6 | 142 | 0 | 0 | 1 | 0 | 27 | 0 | 0 | 176 | 18 | 176 | 0 | 142 (2017) | ||||
| 4. | Domestic Goose | 0 | 0 | 6 | 0 | 0 | 7 | 1 | 2 | 1 | 0 | 17 | 1.7 | 15 | 2 | 7 (2020) | ||||
| 5. | Mute Swan | 0 | 1 | 31 | 53 | 48 | 96 | 107 | 71 | 63 | 0 | 470 | 47 | 369 | 101 | 107 (2021) | ||||
| 6. | Whooper Swan | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0.4 | 2 | 2 | 4 (2017) | ||||
| 7. | Egyptian Goose | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 3 | 0.3 | 3 | 0 | 3 (2021) | ||||
| 8. | Mallard | 0 | 4 | 8 | 1 | 64 | 8 | 40 | 4 | 2 | 0 | 131 | 13 | 125 | 6 | 64 (2019) | ||||
| 9. | Teal | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 3 | 0 | 6 | 0.6 | 6 | 0 | 3 (2023) | ||||
| 10. | Pheasant | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2016) | ||||
| 11. | Quail | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | ||||
| 12. | Feral Pigeon | 0 | 0 | 0 | 0 | 0 | 4 | 8 | 5 | 55 | 8 | 80 | 8 | 79 | 1 | 55 (2023) | ||||
| 13. | Stock Dove | 1 | 2 | 33 | 15 | 17 | 4 | 0 | 4 | 3 | 0 | 79 | 7.9 | 76 | 3 | 33 (2017) | ||||
| 14. | Woodpigeon | 0 | 6 | 6 | 1 | 4 | 2 | 1 | 0 | 1 | 0 | 21 | 2.1 | 21 | 0 | 6 (2016) | ||||
| 15. | Collared Dove | 0 | 1 | 5 | 0 | 5 | 7 | 2 | 0 | 0 | 0 | 20 | 2 | 19 | 1 | 7 (2020) | ||||
| 16. | Water Rail | 6 | 2 | 7 | 0 | 5 | 0 | 6 | 13 | 38 | 0 | 77 | 7.7 | 77 | 0 | 38 (2023) | ||||
| 17. | Moorhen | 0 | 0 | 1 | 1 | 4 | 0 | 2 | 1 | 1 | 0 | 10 | 1 | 10 | 0 | 4 (2019) | ||||
| 18. | Coot | 0 | 2 | 0 | 1 | 15 | 20 | 23 | 8 | 10 | 0 | 79 | 7.9 | 78 | 1 | 23 (2021) | ||||
| 19. | Oystercatcher | 1 | 17 | 10 | 17 | 16 | 6 | 0 | 2 | 1 | 0 | 70 | 7 | 66 | 4 | 17 (2016) | ||||
| 20. | Lapwing | 19 | 99 | 137 | 53 | 60 | 15 | 15 | 3 | 2 | 0 | 403 | 40 | 310 | 93 | 137 (2017) | ||||
| 21. | Little Ringed Plover | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 2 (2018) | ||||
| 22. | Black-tailed Godwit | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | ||||
| 23. | Woodcock | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 19 | 0 | 27 | 2.7 | 26 | 1 | 19 (2023) | ||||
| 24. | Jack Snipe | 12 | 4 | 6 | 0 | 1 | 0 | 1 | 2 | 2 | 0 | 28 | 2.8 | 28 | 0 | 12 (2015) | ||||
| 25. | Snipe | 39 | 29 | 5 | 0 | 2 | 0 | 1 | 4 | 37 | 0 | 117 | 12 | 114 | 3 | 39 (2015) | ||||
| 26. | Common Sandpiper | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | ||||
| 27. | Green Sandpiper | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2016) | ||||
| 28. | Redshank | 0 | 3 | 2 | 1 | 5 | 0 | 1 | 0 | 0 | 0 | 12 | 1.2 | 12 | 0 | 5 (2019) | ||||
| 29. | Black-headed Gull | 0 | 0 | 7 | 0 | 0 | 31 | 154 | 46 | 86 | 7 | 331 | 33 | 325 | 6 | 154 (2021) | ||||
| 30. | Common Gull | 0 | 0 | 0 | 0 | 0 | 1 | 79 | 10 | 10 | 0 | 100 | 10 | 98 | 2 | 79 (2021) | ||||
| 31. | Great Black-backed Gull | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | ||||
| 32. | Herring Gull | 0 | 0 | 0 | 0 | 0 | 4 | 3 | 0 | 5 | 2 | 14 | 1.4 | 14 | 0 | 5 (2023) | ||||
| 33. | Lesser Black-backed Gull | 0 | 0 | 0 | 1 | 0 | 0 | 4 | 0 | 5 | 0 | 10 | 1 | 10 | 0 | 5 (2023) | ||||
| 34. | Common Tern | 0 | 0 | 0 | 130 | 76 | 19 | 0 | 0 | 0 | 0 | 225 | 23 | 157 | 68 | 130 (2018) | ||||
| 35. | White Stork | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 5 | 0.5 | 5 | 0 | 4 (2019) | ||||
| 36. | Cormorant | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 7 | 0.7 | 7 | 0 | 7 (2021) | ||||
| 37. | Night Heron | 0 | 0 | 0 | 9 | 13 | 26 | 18 | 14 | 7 | 0 | 87 | 8.7 | 84 | 3 | 26 (2020) | ||||
| 38. | Grey Heron | 0 | 0 | 0 | 0 | 9 | 17 | 18 | 0 | 7 | 6 | 57 | 5.7 | 52 | 5 | 18 (2021) | ||||
| 39. | Sparrowhawk | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 5 | 0.5 | 4 | 1 | 4 (2019) | ||||
| 40. | Goshawk | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 5 | 0.5 | 4 | 1 | 2 (2023) | ||||
| 41. | Common Buzzard | 0 | 7 | 7 | 5 | 2 | 3 | 2 | 0 | 14 | 5 | 45 | 4.5 | 31 | 14 | 14 (2023) | ||||
| 42. | Barn Owl | 2 | 8 | 163 | 107 | 323 | 93 | 157 | 116 | 177 | 0 | 1146 | 115 | 881 | 265 | 323 (2019) | ||||
| 43. | Little Owl | 0 | 0 | 58 | 83 | 92 | 97 | 72 | 82 | 106 | 1 | 591 | 59 | 452 | 139 | 106 (2023) | ||||
| 44. | Long-eared Owl | 1 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 5 | 0 | 10 | 1 | 10 | 0 | 5 (2023) | ||||
| 45. | Tawny Owl | 0 | 2 | 16 | 10 | 9 | 5 | 8 | 5 | 13 | 3 | 71 | 7.1 | 67 | 4 | 16 (2017) | ||||
| 46. | Kingfisher | 1 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0.7 | 6 | 1 | 3 (2016) | ||||
| 47. | Great Spotted Woodpecker | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 8 | 0.8 | 7 | 1 | 3 (2015) | ||||
| 48. | Kestrel | 0 | 28 | 166 | 284 | 407 | 512 | 421 | 399 | 471 | 25 | 2713 | 271 | 2521 | 192 | 512 (2020) | ||||
| 49. | Jay | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0.4 | 4 | 0 | 3 (2017) | ||||
| 50. | Magpie | 0 | 3 | 2 | 1 | 3 | 4 | 0 | 2 | 5 | 1 | 21 | 2.1 | 21 | 0 | 5 (2023) | ||||
| Species | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Totals | Average | Newly ringed | Retraps | Year Maximum | |||||
| 51. | Jackdaw | 0 | 0 | 11 | 9 | 62 | 19 | 9 | 6 | 1 | 0 | 117 | 12 | 114 | 3 | 62 (2019) | ||||
| 52. | Carrion Crow | 0 | 1 | 0 | 3 | 0 | 1 | 1 | 0 | 0 | 1 | 7 | 0.7 | 7 | 0 | 3 (2018) | ||||
| 53. | Coal Tit | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0.3 | 3 | 0 | 3 (2015) | ||||
| 54. | Blue Tit | 151 | 55 | 31 | 28 | 29 | 19 | 27 | 15 | 38 | 10 | 403 | 40 | 347 | 56 | 151 (2015) | ||||
| 55. | Great Tit | 96 | 96 | 138 | 85 | 93 | 98 | 68 | 54 | 67 | 14 | 809 | 81 | 729 | 80 | 138 (2017) | ||||
| 56. | Skylark | 0 | 0 | 16 | 0 | 1 | 0 | 0 | 2 | 72 | 0 | 91 | 9.1 | 91 | 0 | 72 (2023) | ||||
| 57. | Sand Martin | 311 | 1406 | 1314 | 566 | 1084 | 444 | 1160 | 311 | 653 | 0 | 7249 | 725 | 3976 | 3273 | 1406 (2016) | ||||
| 58. | Swallow | 0 | 115 | 362 | 177 | 18 | 35 | 4 | 0 | 0 | 0 | 711 | 71 | 683 | 28 | 362 (2017) | ||||
| 59. | House Martin | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | ||||
| 60. | Long-tailed Tit | 20 | 1 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 2 | 30 | 3 | 30 | 0 | 20 (2015) | ||||
| 61. | Willow Warbler | 0 | 0 | 3 | 3 | 1 | 3 | 1 | 0 | 0 | 0 | 11 | 1.1 | 10 | 1 | 3 (2017) | ||||
| 62. | Chiffchaff | 16 | 26 | 11 | 4 | 1 | 5 | 5 | 0 | 3 | 1 | 72 | 7.2 | 68 | 4 | 26 (2016) | ||||
| 63. | Sedge Warbler | 2 | 4 | 4 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 14 | 1.4 | 14 | 0 | 4 (2016) | ||||
| 64. | Reed Warbler | 5 | 30 | 33 | 9 | 4 | 2 | 4 | 0 | 3 | 0 | 90 | 9 | 88 | 2 | 33 (2017) | ||||
| 65. | Marsh Warbler | 7 | 7 | 4 | 13 | 8 | 10 | 7 | 0 | 0 | 0 | 56 | 5.6 | 54 | 2 | 13 (2018) | ||||
| 66. | Icterine Warbler | 0 | 1 | 2 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 5 | 0.5 | 5 | 0 | 2 (2017) | ||||
| 67. | Savi's Warbler | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2016) | ||||
| 68. | Grasshopper Warbler | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0.4 | 4 | 0 | 2 (2017) | ||||
| 69. | Blackcap | 26 | 34 | 7 | 2 | 3 | 0 | 4 | 0 | 1 | 0 | 77 | 7.7 | 77 | 0 | 34 (2016) | ||||
| 70. | Garden Warbler | 0 | 0 | 3 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 6 | 0.6 | 6 | 0 | 3 (2017) | ||||
| 71. | Lesser Whitethroat | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | ||||
| 72. | Whitethroat | 10 | 20 | 5 | 8 | 5 | 9 | 8 | 0 | 4 | 0 | 69 | 6.9 | 69 | 0 | 20 (2016) | ||||
| 73. | Firecrest | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 1 | 10 | 0 | 10 (2015) | ||||
| 74. | Goldcrest | 58 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 59 | 5.9 | 56 | 3 | 58 (2015) | ||||
| 75. | Wren | 35 | 26 | 7 | 1 | 0 | 3 | 0 | 0 | 0 | 2 | 74 | 7.4 | 65 | 9 | 35 (2015) | ||||
| 76. | Nuthatch | 4 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 1.7 | 15 | 2 | 13 (2016) | ||||
| 77. | Short-toed Tree Creeper | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 2 (2017) | ||||
| 78. | Starling | 1 | 8 | 175 | 61 | 93 | 75 | 104 | 126 | 153 | 6 | 802 | 80 | 802 | 0 | 175 (2017) | ||||
| 79. | Song Thrush | 23 | 11 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 38 | 3.8 | 38 | 0 | 23 (2015) | ||||
| 80. | Redwing | 11 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 14 | 1.4 | 14 | 0 | 11 (2015) | ||||
| 81. | Blackbird | 22 | 15 | 19 | 6 | 0 | 0 | 2 | 1 | 0 | 5 | 70 | 7 | 69 | 1 | 22 (2015) | ||||
| 82. | Spotted Flycatcher | 0 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0.6 | 6 | 0 | 5 (2016) | ||||
| 83. | Robin | 63 | 31 | 2 | 6 | 1 | 2 | 2 | 0 | 0 | 3 | 110 | 11 | 104 | 6 | 63 (2015) | ||||
| 84. | Bluethroat | 0 | 5 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 10 | 1 | 10 | 0 | 5 (2016) | ||||
| 85. | White-spotted Bluethroat | 0 | 9 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 1.7 | 16 | 1 | 9 (2016) | ||||
| 86. | Whinchat | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2015) | ||||
| 87. | Stonechat | 11 | 1 | 11 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 26 | 2.6 | 24 | 2 | 11 (2015) | ||||
| 88. | Wheatear | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2015) | ||||
| 89. | Tree Sparrow | 41 | 12 | 6 | 0 | 4 | 0 | 8 | 0 | 0 | 0 | 71 | 7.1 | 66 | 5 | 41 (2015) | ||||
| 90. | House Sparrow | 2 | 10 | 18 | 18 | 18 | 12 | 18 | 0 | 4 | 3 | 103 | 10 | 101 | 2 | 18 (2017) | ||||
| 91. | Dunnock | 13 | 7 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 4 | 28 | 2.8 | 24 | 4 | 13 (2015) | ||||
| 92. | White Wagtail | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0.5 | 5 | 0 | 5 (2017) | ||||
| 93. | Meadow Pipit | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 2 (2015) | ||||
| 94. | Tree Pipit | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2015) | ||||
| 95. | Rock Pipit | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2015) | ||||
| 96. | Chaffinch | 22 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 33 | 3.3 | 32 | 1 | 22 (2015) | ||||
| 97. | Greenfinch | 23 | 2 | 16 | 0 | 1 | 4 | 0 | 0 | 0 | 6 | 52 | 5.2 | 50 | 2 | 23 (2015) | ||||
| 98. | Linnet | 0 | 1 | 0 | 1 | 1 | 3 | 0 | 0 | 1 | 0 | 7 | 0.7 | 7 | 0 | 3 (2020) | ||||
| 99. | Goldfinch | 1 | 13 | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 20 | 2 | 20 | 0 | 13 (2016) | ||||
| 100. | Reed Bunting | 36 | 18 | 6 | 3 | 0 | 8 | 1 | 0 | 0 | 0 | 72 | 7.2 | 69 | 3 | 36 (2015) | ||||
| Species | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Totals | Average | Newly ringed | Retraps | Year Maximum | |||||
| Totals | 1115 | 2225 | 3159 | 1820 | 2631 | 1748 | 2596 | 1363 | 2157 | 122 | 18936 | 1894 | 14510 | 4426 | ||||||
| Observation hours | 100:00 | 153:20 | 268:46 | 572:55 | 608:14 | 653:06 | 802:00 | 668:21 | 672:39 | 110:21 | 4,609:42 | 460:58 | ||||||||
