Totals Koartwald, Surhuisterveen 2011 - 2020
| Species | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
1. | Mallard | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2013) | | | | |
2. | Teal | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2015) | | | | |
3. | Stock Dove | 3 | 3 | 1 | 0 | 3 | 2 | 3 | 2 | 6 | 1 | 24 | 2.4 | 23 | 1 | 6 (2019) | | | | |
4. | Woodpigeon | 0 | 0 | 3 | 2 | 1 | 2 | 1 | 0 | 2 | 8 | 19 | 1.9 | 18 | 1 | 8 (2020) | | | | |
5. | Collared Dove | 1 | 9 | 3 | 17 | 15 | 7 | 2 | 3 | 6 | 4 | 67 | 6.7 | 62 | 5 | 17 (2014) | | | | |
6. | Water Rail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | | | | |
7. | Moorhen | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2013) | | | | |
8. | Oystercatcher | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2011) | | | | |
9. | Woodcock | 0 | 1 | 0 | 1 | 2 | 3 | 2 | 0 | 1 | 2 | 12 | 1.2 | 11 | 1 | 3 (2016) | | | | |
10. | Snipe | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 8 | 1 | 0 | 11 | 1.1 | 11 | 0 | 8 (2018) | | | | |
11. | Black-headed Gull | 76 | 197 | 132 | 76 | 30 | 33 | 146 | 43 | 0 | 0 | 733 | 73 | 665 | 68 | 197 (2012) | | | | |
12. | Common Gull | 82 | 147 | 344 | 42 | 3 | 32 | 114 | 6 | 0 | 0 | 770 | 77 | 725 | 45 | 344 (2013) | | | | |
13. | Herring Gull | 7 | 8 | 19 | 8 | 0 | 0 | 0 | 3 | 0 | 0 | 45 | 4.5 | 41 | 4 | 19 (2013) | | | | |
14. | Lesser Black-backed Gull | 54 | 47 | 7 | 25 | 6 | 0 | 0 | 3 | 0 | 0 | 142 | 14 | 141 | 1 | 54 (2011) | | | | |
15. | Sparrowhawk | 0 | 0 | 3 | 3 | 6 | 4 | 9 | 3 | 13 | 4 | 45 | 4.5 | 38 | 7 | 13 (2019) | | | | |
16. | Goshawk | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 0.2 | 2 | 0 | 1 (2017) | | | | |
17. | Common Buzzard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 0.2 | 2 | 0 | 1 (2018) | | | | |
18. | Barn Owl | 0 | 0 | 0 | 2 | 2 | 1 | 5 | 1 | 6 | 7 | 24 | 2.4 | 15 | 9 | 7 (2020) | | | | |
19. | Long-eared Owl | 0 | 0 | 0 | 0 | 1 | 4 | 1 | 4 | 3 | 5 | 18 | 1.8 | 16 | 2 | 5 (2020) | | | | |
20. | Kingfisher | 1 | 0 | 0 | 5 | 11 | 11 | 7 | 11 | 25 | 21 | 92 | 9.2 | 55 | 37 | 25 (2019) | | | | |
21. | Wryneck | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 5 | 0.5 | 5 | 0 | 2 (2020) | | | | |
22. | Great Spotted Woodpecker | 2 | 11 | 11 | 14 | 17 | 10 | 20 | 9 | 22 | 19 | 135 | 14 | 78 | 57 | 22 (2019) | | | | |
23. | Jay | 3 | 10 | 13 | 8 | 6 | 0 | 2 | 5 | 11 | 24 | 82 | 8.2 | 57 | 25 | 24 (2020) | | | | |
24. | Magpie | 0 | 4 | 5 | 3 | 1 | 0 | 2 | 2 | 5 | 3 | 25 | 2.5 | 23 | 2 | 5 (2013) | | | | |
25. | Jackdaw | 0 | 1 | 1 | 3 | 1 | 4 | 1 | 9 | 0 | 4 | 24 | 2.4 | 24 | 0 | 9 (2018) | | | | |
26. | Carrion Crow | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 4 | 0.4 | 4 | 0 | 2 (2012) | | | | |
27. | Waxwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0.2 | 2 | 0 | 1 (2019) | | | | |
28. | Coal Tit | 0 | 13 | 43 | 0 | 192 | 6 | 19 | 6 | 1 | 26 | 306 | 31 | 298 | 8 | 192 (2015) | | | | |
29. | Willow Tit | 0 | 4 | 3 | 2 | 0 | 3 | 2 | 0 | 1 | 1 | 16 | 1.6 | 14 | 2 | 4 (2012) | | | | |
30. | Blue Tit | 149 | 186 | 301 | 187 | 159 | 89 | 153 | 189 | 293 | 260 | 1966 | 197 | 1326 | 640 | 301 (2013) | | | | |
31. | Great Tit | 105 | 307 | 418 | 225 | 179 | 100 | 302 | 341 | 472 | 417 | 2866 | 287 | 1726 | 1140 | 472 (2019) | | | | |
32. | Swallow | 1 | 3 | 10 | 1 | 0 | 2 | 0 | 0 | 9 | 2 | 28 | 2.8 | 26 | 2 | 10 (2013) | | | | |
33. | House Martin | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2014) | | | | |
34. | Long-tailed Tit | 65 | 42 | 42 | 51 | 51 | 18 | 19 | 50 | 39 | 27 | 404 | 40 | 270 | 134 | 65 (2011) | | | | |
35. | Yellow-browed Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0.2 | 2 | 0 | 1 (2018) | | | | |
36. | Willow Warbler | 17 | 10 | 18 | 9 | 11 | 9 | 8 | 1 | 8 | 11 | 102 | 10 | 94 | 8 | 18 (2013) | | | | |
37. | Chiffchaff | 90 | 52 | 78 | 94 | 119 | 64 | 113 | 67 | 126 | 169 | 972 | 97 | 846 | 126 | 169 (2020) | | | | |
38. | Sedge Warbler | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 0.4 | 4 | 0 | 2 (2012) | | | | |
39. | Reed Warbler | 6 | 2 | 7 | 2 | 7 | 3 | 0 | 2 | 13 | 6 | 48 | 4.8 | 48 | 0 | 13 (2019) | | | | |
40. | Marsh Warbler | 7 | 2 | 9 | 0 | 2 | 1 | 0 | 2 | 14 | 8 | 45 | 4.5 | 44 | 1 | 14 (2019) | | | | |
41. | Icterine Warbler | 10 | 5 | 13 | 3 | 7 | 2 | 2 | 0 | 5 | 2 | 49 | 4.9 | 49 | 0 | 13 (2013) | | | | |
42. | Blackcap | 170 | 178 | 135 | 251 | 169 | 338 | 281 | 296 | 433 | 555 | 2806 | 281 | 2601 | 205 | 555 (2020) | | | | |
43. | Garden Warbler | 23 | 38 | 34 | 24 | 27 | 19 | 28 | 10 | 26 | 14 | 243 | 24 | 222 | 21 | 38 (2012) | | | | |
44. | Lesser Whitethroat | 7 | 9 | 24 | 6 | 4 | 5 | 7 | 10 | 20 | 11 | 103 | 10 | 92 | 11 | 24 (2013) | | | | |
45. | Whitethroat | 3 | 4 | 13 | 0 | 6 | 0 | 0 | 0 | 8 | 6 | 40 | 4 | 38 | 2 | 13 (2013) | | | | |
46. | Firecrest | 1 | 1 | 1 | 10 | 11 | 10 | 19 | 12 | 20 | 9 | 94 | 9.4 | 56 | 38 | 20 (2019) | | | | |
47. | Goldcrest | 1 | 20 | 1 | 26 | 30 | 55 | 27 | 36 | 30 | 60 | 286 | 29 | 215 | 71 | 60 (2020) | | | | |
48. | Wren | 34 | 21 | 33 | 30 | 44 | 35 | 36 | 39 | 56 | 38 | 366 | 37 | 163 | 203 | 56 (2019) | | | | |
49. | Nuthatch | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 3 | 0.3 | 3 | 0 | 1 (2012) | | | | |
50. | Short-toed Tree Creeper | 8 | 12 | 19 | 16 | 13 | 17 | 10 | 16 | 20 | 16 | 147 | 15 | 90 | 57 | 20 (2019) | | | | |
| Species | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
51. | Starling | 6 | 7 | 28 | 12 | 14 | 2 | 19 | 17 | 58 | 90 | 253 | 25 | 242 | 11 | 90 (2020) | | | | |
52. | Song Thrush | 29 | 45 | 38 | 70 | 80 | 63 | 82 | 55 | 95 | 55 | 612 | 61 | 564 | 48 | 95 (2019) | | | | |
53. | Mistle Thrush | 1 | 2 | 0 | 6 | 3 | 1 | 2 | 4 | 3 | 0 | 22 | 2.2 | 22 | 0 | 6 (2014) | | | | |
54. | Redwing | 13 | 101 | 82 | 33 | 347 | 80 | 444 | 290 | 110 | 181 | 1681 | 168 | 1668 | 13 | 444 (2017) | | | | |
55. | Blackbird | 109 | 210 | 303 | 247 | 249 | 286 | 428 | 387 | 266 | 425 | 2910 | 291 | 1881 | 1029 | 428 (2017) | | | | |
56. | Fieldfare | 0 | 2 | 5 | 0 | 0 | 4 | 2 | 33 | 5 | 6 | 57 | 5.7 | 55 | 2 | 33 (2018) | | | | |
57. | Ring Ouzel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 5 | 0.5 | 4 | 1 | 4 (2020) | | | | |
58. | Spotted Flycatcher | 4 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 10 | 1 | 10 | 0 | 4 (2011) | | | | |
59. | Robin | 57 | 85 | 71 | 107 | 81 | 119 | 97 | 110 | 175 | 206 | 1108 | 111 | 682 | 426 | 206 (2020) | | | | |
60. | Thrush Nightingale | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2013) | | | | |
61. | Nightingale | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 0.2 | 2 | 0 | 1 (2016) | | | | |
62. | Pied Flycatcher | 1 | 1 | 1 | 0 | 1 | 0 | 2 | 1 | 1 | 2 | 10 | 1 | 10 | 0 | 2 (2017) | | | | |
63. | Black Redstart | 0 | 1 | 1 | 1 | 3 | 1 | 1 | 0 | 1 | 2 | 11 | 1.1 | 11 | 0 | 3 (2015) | | | | |
64. | Redstart | 3 | 6 | 14 | 7 | 7 | 11 | 4 | 1 | 4 | 4 | 61 | 6.1 | 57 | 4 | 14 (2013) | | | | |
65. | Stonechat | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | | | | |
66. | Wheatear | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2013) | | | | |
67. | Tree Sparrow | 23 | 11 | 19 | 48 | 12 | 22 | 6 | 9 | 25 | 10 | 185 | 19 | 168 | 17 | 48 (2014) | | | | |
68. | House Sparrow | 96 | 50 | 24 | 60 | 39 | 15 | 87 | 5 | 366 | 68 | 810 | 81 | 639 | 171 | 366 (2019) | | | | |
69. | Dunnock | 18 | 75 | 85 | 75 | 67 | 60 | 96 | 77 | 145 | 103 | 801 | 80 | 526 | 275 | 145 (2019) | | | | |
70. | Grey Wagtail | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2014) | | | | |
71. | White Wagtail | 2 | 1 | 1 | 2 | 0 | 0 | 2 | 1 | 3 | 1 | 13 | 1.3 | 12 | 1 | 3 (2019) | | | | |
72. | Chaffinch | 30 | 38 | 55 | 50 | 55 | 80 | 87 | 167 | 444 | 174 | 1180 | 118 | 1054 | 126 | 444 (2019) | | | | |
73. | Brambling | 4 | 15 | 9 | 2 | 3 | 17 | 24 | 102 | 334 | 31 | 541 | 54 | 415 | 126 | 334 (2019) | | | | |
74. | Hawfinch | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 17 | 1 | 1 | 29 | 2.9 | 19 | 10 | 17 (2018) | | | | |
75. | Bullfinch | 2 | 6 | 3 | 4 | 5 | 4 | 12 | 7 | 4 | 8 | 55 | 5.5 | 51 | 4 | 12 (2017) | | | | |
76. | Greenfinch | 2 | 3 | 30 | 25 | 3 | 11 | 21 | 38 | 9 | 21 | 163 | 16 | 145 | 18 | 38 (2018) | | | | |
77. | Linnet | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 3 | 0.3 | 3 | 0 | 2 (2019) | | | | |
78. | Mealy Redpoll | 1 | 0 | 1 | 0 | 0 | 0 | 461 | 902 | 0 | 0 | 1365 | 137 | 1352 | 13 | 902 (2018) | | | | |
79. | Lesser Redpoll | 0 | 2 | 1 | 1 | 0 | 2 | 19 | 6 | 0 | 0 | 31 | 3.1 | 30 | 1 | 19 (2017) | | | | |
80. | Arctic Redpoll | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | | | | |
81. | redpoll sp. | 0 | 0 | 0 | 0 | 0 | 1 | 18 | 23 | 0 | 0 | 42 | 4.2 | 42 | 0 | 23 (2018) | | | | |
82. | Goldfinch | 0 | 9 | 8 | 9 | 9 | 5 | 1 | 0 | 12 | 12 | 65 | 6.5 | 64 | 1 | 12 (2019) | | | | |
83. | Siskin | 13 | 13 | 305 | 8 | 9 | 43 | 1 | 43 | 265 | 165 | 865 | 87 | 850 | 15 | 305 (2013) | | | | |
84. | Reed Bunting | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 2 | 0 | 0 | 6 | 0.6 | 6 | 0 | 2 (2015) | | | | |
| Species | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
|
Totals |
1343 | 2035 | 2835 | 1918 | 2127 | 1720 | 3274 | 3495 | 4026 | 3315 | 26088 | 2609 | 20842 | 5246 | | |
|
Observation hours |
991:02 | 1,057:19 | 1,376:23 | 1,151:53 | 1,223:30 | 1,188:34 | 1,241:10 | 1,668:05 | 1,767:15 | 1,973:45 | 13,638:56 | 1,363:54 | | | | |