Select until 22 January
Totals Koartwald, Surhuisterveen 2016 - 2025
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
1. | Canada Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2023) | | | | |
2. | Mallard | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2017) | | | | |
3. | Teal | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2023) | | | | |
4. | Stock Dove | 2 | 3 | 2 | 6 | 1 | 1 | 2 | 3 | 2 | 0 | 22 | 2.2 | 20 | 2 | 6 (2019) | | | | |
5. | Woodpigeon | 2 | 1 | 0 | 2 | 8 | 4 | 2 | 3 | 1 | 0 | 23 | 2.3 | 23 | 0 | 8 (2020) | | | | |
6. | Collared Dove | 7 | 2 | 3 | 6 | 4 | 3 | 0 | 2 | 4 | 0 | 31 | 3.1 | 26 | 5 | 7 (2016) | | | | |
7. | Water Rail | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0.3 | 3 | 0 | 2 (2021) | | | | |
8. | Moorhen | 0 | 0 | 1 | 0 | 0 | 2 | 3 | 0 | 1 | 0 | 7 | 0.7 | 7 | 0 | 3 (2022) | | | | |
9. | Jack Snipe | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 4 | 0.4 | 4 | 0 | 2 (2022) | | | | |
10. | Woodcock | 3 | 2 | 0 | 1 | 2 | 6 | 12 | 5 | 4 | 0 | 35 | 3.5 | 34 | 1 | 12 (2022) | | | | |
11. | Snipe | 2 | 0 | 8 | 1 | 0 | 6 | 8 | 0 | 1 | 0 | 26 | 2.6 | 26 | 0 | 8 (2018) | | | | |
12. | Green Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 0 | 1 (2024) | | | | |
13. | Black-headed Gull | 33 | 146 | 43 | 0 | 0 | 60 | 1 | 0 | 9 | 5 | 297 | 30 | 274 | 23 | 146 (2017) | | | | |
14. | Common Gull | 32 | 114 | 6 | 0 | 0 | 20 | 1 | 0 | 0 | 7 | 180 | 18 | 172 | 8 | 114 (2017) | | | | |
15. | Herring Gull | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0.3 | 3 | 0 | 3 (2018) | | | | |
16. | Lesser Black-backed Gull | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 6 | 0.6 | 6 | 0 | 3 (2018) | | | | |
17. | Cormorant | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 0 | 1 (2024) | | | | |
18. | Sparrowhawk | 4 | 9 | 3 | 13 | 4 | 12 | 5 | 8 | 12 | 0 | 70 | 7 | 53 | 17 | 13 (2019) | | | | |
19. | Goshawk | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 4 | 0.4 | 3 | 1 | 1 (2017) | | | | |
20. | Common Buzzard | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 5 | 0.5 | 5 | 0 | 1 (2018) | | | | |
21. | Barn Owl | 1 | 5 | 1 | 6 | 7 | 5 | 0 | 2 | 6 | 0 | 33 | 3.3 | 21 | 12 | 7 (2020) | | | | |
22. | Long-eared Owl | 4 | 1 | 4 | 3 | 5 | 0 | 1 | 0 | 4 | 0 | 22 | 2.2 | 20 | 2 | 5 (2020) | | | | |
23. | Kingfisher | 11 | 7 | 11 | 25 | 21 | 6 | 6 | 10 | 6 | 0 | 103 | 10 | 60 | 43 | 25 (2019) | | | | |
24. | Wryneck | 0 | 1 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 4 | 0.4 | 4 | 0 | 2 (2020) | | | | |
25. | Great Spotted Woodpecker | 10 | 20 | 9 | 22 | 19 | 15 | 17 | 23 | 12 | 0 | 147 | 15 | 83 | 64 | 23 (2023) | | | | |
26. | Green Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 0 | 1 (2024) | | | | |
27. | Kestrel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 0 | 1 (2024) | | | | |
28. | Jay | 0 | 2 | 5 | 11 | 24 | 18 | 6 | 14 | 7 | 1 | 88 | 8.8 | 50 | 38 | 24 (2020) | | | | |
29. | Magpie | 0 | 2 | 2 | 5 | 3 | 1 | 1 | 2 | 4 | 0 | 20 | 2 | 19 | 1 | 5 (2019) | | | | |
30. | Jackdaw | 4 | 1 | 9 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 18 | 1.8 | 18 | 0 | 9 (2018) | | | | |
31. | Carrion Crow | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2017) | | | | |
32. | Waxwing | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2019) | | | | |
33. | Coal Tit | 6 | 19 | 6 | 1 | 26 | 17 | 0 | 6 | 0 | 0 | 81 | 8.1 | 79 | 2 | 26 (2020) | | | | |
34. | Willow Tit | 3 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 0.7 | 7 | 0 | 3 (2016) | | | | |
35. | Blue Tit | 89 | 153 | 189 | 293 | 260 | 263 | 240 | 222 | 174 | 7 | 1890 | 189 | 1312 | 578 | 293 (2019) | | | | |
36. | Great Tit | 100 | 302 | 341 | 472 | 417 | 421 | 446 | 351 | 297 | 17 | 3164 | 316 | 1668 | 1496 | 472 (2019) | | | | |
37. | Wood Lark | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 3 | 0 | 0 | 11 | 1.1 | 11 | 0 | 8 (2022) | | | | |
38. | Swallow | 2 | 0 | 0 | 9 | 2 | 1 | 1 | 129 | 0 | 0 | 144 | 14 | 141 | 3 | 129 (2023) | | | | |
39. | Long-tailed Tit | 18 | 19 | 50 | 39 | 27 | 40 | 43 | 26 | 59 | 0 | 321 | 32 | 220 | 101 | 59 (2024) | | | | |
40. | Yellow-browed Warbler | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2018) | | | | |
41. | Willow Warbler | 9 | 8 | 1 | 8 | 11 | 8 | 6 | 1 | 2 | 0 | 54 | 5.4 | 52 | 2 | 11 (2020) | | | | |
42. | Chiffchaff | 64 | 113 | 67 | 126 | 169 | 65 | 80 | 70 | 55 | 1 | 810 | 81 | 665 | 145 | 169 (2020) | | | | |
43. | Sedge Warbler | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 3 | 0.3 | 3 | 0 | 1 (2017) | | | | |
44. | Reed Warbler | 3 | 0 | 2 | 13 | 6 | 3 | 20 | 4 | 1 | 0 | 52 | 5.2 | 52 | 0 | 20 (2022) | | | | |
45. | Marsh Warbler | 1 | 0 | 2 | 14 | 8 | 4 | 7 | 2 | 0 | 0 | 38 | 3.8 | 37 | 1 | 14 (2019) | | | | |
46. | Icterine Warbler | 2 | 2 | 0 | 5 | 2 | 4 | 1 | 0 | 0 | 0 | 16 | 1.6 | 16 | 0 | 5 (2019) | | | | |
47. | Grasshopper Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2022) | | | | |
48. | Blackcap | 338 | 281 | 296 | 433 | 555 | 253 | 590 | 290 | 178 | 0 | 3214 | 321 | 2983 | 231 | 590 (2022) | | | | |
49. | Garden Warbler | 19 | 28 | 10 | 26 | 14 | 13 | 37 | 17 | 11 | 0 | 175 | 18 | 168 | 7 | 37 (2022) | | | | |
50. | Lesser Whitethroat | 5 | 7 | 10 | 20 | 11 | 5 | 7 | 7 | 9 | 0 | 81 | 8.1 | 72 | 9 | 20 (2019) | | | | |
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
51. | Whitethroat | 0 | 0 | 0 | 8 | 6 | 5 | 3 | 4 | 0 | 0 | 26 | 2.6 | 26 | 0 | 8 (2019) | | | | |
52. | Firecrest | 10 | 19 | 12 | 20 | 9 | 12 | 32 | 30 | 14 | 3 | 161 | 16 | 88 | 73 | 32 (2022) | | | | |
53. | Goldcrest | 55 | 27 | 36 | 30 | 60 | 17 | 17 | 36 | 37 | 0 | 315 | 32 | 223 | 92 | 60 (2020) | | | | |
54. | Wren | 35 | 36 | 39 | 56 | 38 | 41 | 57 | 32 | 28 | 0 | 362 | 36 | 144 | 218 | 57 (2022) | | | | |
55. | Nuthatch | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 4 | 0.4 | 4 | 0 | 1 (2017) | | | | |
56. | Short-toed Tree Creeper | 17 | 10 | 16 | 20 | 16 | 17 | 15 | 16 | 5 | 0 | 132 | 13 | 68 | 64 | 20 (2019) | | | | |
57. | Starling | 2 | 19 | 17 | 58 | 90 | 38 | 59 | 26 | 26 | 0 | 335 | 34 | 324 | 11 | 90 (2020) | | | | |
58. | Song Thrush | 63 | 82 | 55 | 95 | 55 | 67 | 83 | 88 | 33 | 0 | 621 | 62 | 572 | 49 | 95 (2019) | | | | |
59. | Mistle Thrush | 1 | 2 | 4 | 3 | 0 | 1 | 3 | 5 | 4 | 0 | 23 | 2.3 | 21 | 2 | 5 (2023) | | | | |
60. | Redwing | 80 | 444 | 290 | 110 | 181 | 120 | 97 | 164 | 107 | 0 | 1593 | 159 | 1583 | 10 | 444 (2017) | | | | |
61. | Blackbird | 286 | 428 | 387 | 266 | 425 | 381 | 400 | 283 | 230 | 18 | 3104 | 310 | 2010 | 1094 | 428 (2017) | | | | |
62. | Fieldfare | 4 | 2 | 33 | 5 | 6 | 9 | 8 | 3 | 3 | 0 | 73 | 7.3 | 70 | 3 | 33 (2018) | | | | |
63. | Ring Ouzel | 0 | 0 | 1 | 0 | 4 | 1 | 1 | 0 | 3 | 0 | 10 | 1 | 9 | 1 | 4 (2020) | | | | |
64. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 1 | 7 | 2 | 2 | 2 | 0 | 14 | 1.4 | 14 | 0 | 7 (2021) | | | | |
65. | Robin | 119 | 97 | 110 | 175 | 206 | 192 | 191 | 102 | 63 | 5 | 1260 | 126 | 706 | 554 | 206 (2020) | | | | |
66. | Nightingale | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2016) | | | | |
67. | Pied Flycatcher | 0 | 2 | 1 | 1 | 2 | 1 | 2 | 0 | 0 | 0 | 9 | 0.9 | 9 | 0 | 2 (2017) | | | | |
68. | Black Redstart | 1 | 1 | 0 | 1 | 2 | 1 | 0 | 1 | 0 | 0 | 7 | 0.7 | 6 | 1 | 2 (2020) | | | | |
69. | Redstart | 11 | 4 | 1 | 4 | 4 | 7 | 5 | 2 | 2 | 0 | 40 | 4 | 37 | 3 | 11 (2016) | | | | |
70. | Stonechat | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | | | | |
71. | Tree Sparrow | 22 | 6 | 9 | 25 | 10 | 18 | 1 | 1 | 1 | 1 | 94 | 9.4 | 85 | 9 | 25 (2019) | | | | |
72. | House Sparrow | 15 | 87 | 5 | 366 | 68 | 63 | 91 | 21 | 16 | 0 | 732 | 73 | 555 | 177 | 366 (2019) | | | | |
73. | Dunnock | 60 | 96 | 77 | 145 | 103 | 89 | 87 | 60 | 26 | 0 | 743 | 74 | 475 | 268 | 145 (2019) | | | | |
74. | White Wagtail | 0 | 2 | 1 | 3 | 1 | 3 | 4 | 0 | 0 | 0 | 14 | 1.4 | 13 | 1 | 4 (2022) | | | | |
75. | Tree Pipit | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2021) | | | | |
76. | Chaffinch | 80 | 87 | 167 | 444 | 174 | 188 | 98 | 51 | 86 | 7 | 1382 | 138 | 1185 | 197 | 444 (2019) | | | | |
77. | Brambling | 17 | 24 | 102 | 334 | 31 | 46 | 78 | 1 | 1 | 0 | 634 | 63 | 484 | 150 | 334 (2019) | | | | |
78. | Hawfinch | 0 | 10 | 17 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 30 | 3 | 20 | 10 | 17 (2018) | | | | |
79. | Bullfinch | 4 | 12 | 7 | 4 | 8 | 11 | 12 | 15 | 13 | 0 | 86 | 8.6 | 73 | 13 | 15 (2023) | | | | |
80. | Greenfinch | 11 | 21 | 38 | 9 | 21 | 8 | 3 | 2 | 1 | 0 | 114 | 11 | 104 | 10 | 38 (2018) | | | | |
81. | Linnet | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 0.3 | 3 | 0 | 2 (2019) | | | | |
82. | Mealy Redpoll | 0 | 461 | 902 | 0 | 0 | 0 | 0 | 223 | 283 | 0 | 1869 | 187 | 1844 | 25 | 902 (2018) | | | | |
83. | Lesser Redpoll | 2 | 19 | 6 | 0 | 0 | 15 | 8 | 4 | 1 | 0 | 55 | 5.5 | 54 | 1 | 19 (2017) | | | | |
84. | Arctic Redpoll | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | | | | |
85. | redpoll sp. | 1 | 18 | 23 | 0 | 0 | 0 | 0 | 14 | 7 | 0 | 63 | 6.3 | 61 | 2 | 23 (2018) | | | | |
86. | Goldfinch | 5 | 1 | 0 | 12 | 12 | 3 | 3 | 0 | 0 | 0 | 36 | 3.6 | 36 | 0 | 12 (2019) | | | | |
87. | Siskin | 43 | 1 | 43 | 265 | 165 | 268 | 22 | 71 | 5 | 0 | 883 | 88 | 870 | 13 | 268 (2021) | | | | |
88. | Yellowhammer | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2021) | | | | |
89. | Reed Bunting | 1 | 1 | 2 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 8 | 0.8 | 7 | 1 | 3 (2021) | | | | |
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
|
Totals |
1720 | 3274 | 3495 | 4026 | 3315 | 2897 | 2939 | 2468 | 1862 | 72 | 26068 | 2607 | 20224 | 5844 | | |
|
Observation hours |
1,188:34 | 1,241:10 | 1,668:05 | 1,767:15 | 1,973:45 | 1,709:34 | 1,706:55 | 1,381:59 | 1,189:10 | 47:40 | 13,874:07 | 1,387:25 | | | | |