Totals VRS De Haar 2011 - 2020
| Species | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
1. | Canada Goose | 0 | 0 | 0 | 0 | 0 | 0 | 82 | 0 | 0 | 2 | 84 | 10.5 | 84 | 0 | 82 (2017) | | | | |
2. | Barnacle Goose | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 22 | 9 | 0 | 48 | 6 | 34 | 14 | 22 (2018) | | | | |
3. | Greylag Goose | 0 | 0 | 0 | 0 | 0 | 6 | 142 | 0 | 0 | 1 | 149 | 19 | 149 | 0 | 142 (2017) | | | | |
4. | Domestic Goose | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 7 | 13 | 1.6 | 12 | 1 | 7 (2020) | | | | |
5. | Mute Swan | 0 | 0 | 0 | 0 | 0 | 1 | 31 | 53 | 48 | 96 | 229 | 29 | 172 | 57 | 96 (2020) | | | | |
6. | Whooper Swan | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 4 | 0.5 | 2 | 2 | 4 (2017) | | | | |
7. | Mallard | 0 | 0 | 0 | 0 | 0 | 4 | 8 | 1 | 64 | 8 | 85 | 10.6 | 80 | 5 | 64 (2019) | | | | |
8. | Teal | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 0 | 1 (2019) | | | | |
9. | Pheasant | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2016) | | | | |
10. | Quail | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | | | | |
11. | Feral Pigeon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 0.5 | 4 | 0 | 4 (2020) | | | | |
12. | Stock Dove | 0 | 0 | 0 | 0 | 1 | 2 | 33 | 15 | 17 | 4 | 72 | 9 | 69 | 3 | 33 (2017) | | | | |
13. | Woodpigeon | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 1 | 4 | 2 | 19 | 2.4 | 19 | 0 | 6 (2016) | | | | |
14. | Collared Dove | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 0 | 5 | 7 | 18 | 2.3 | 17 | 1 | 7 (2020) | | | | |
15. | Water Rail | 0 | 0 | 0 | 0 | 6 | 2 | 7 | 0 | 5 | 0 | 20 | 2.5 | 20 | 0 | 7 (2017) | | | | |
16. | Moorhen | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 0 | 6 | 0.8 | 6 | 0 | 4 (2019) | | | | |
17. | Coot | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 15 | 20 | 38 | 4.8 | 38 | 0 | 20 (2020) | | | | |
18. | Oystercatcher | 0 | 0 | 0 | 0 | 1 | 17 | 10 | 17 | 16 | 6 | 67 | 8.4 | 63 | 4 | 17 (2016) | | | | |
19. | Lapwing | 0 | 0 | 0 | 0 | 19 | 99 | 137 | 53 | 60 | 15 | 383 | 48 | 294 | 89 | 137 (2017) | | | | |
20. | Little Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0.3 | 2 | 0 | 2 (2018) | | | | |
21. | Black-tailed Godwit | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | | | | |
22. | Woodcock | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2015) | | | | |
23. | Jack Snipe | 0 | 0 | 0 | 0 | 12 | 4 | 6 | 0 | 1 | 0 | 23 | 2.9 | 23 | 0 | 12 (2015) | | | | |
24. | Snipe | 0 | 0 | 0 | 0 | 39 | 29 | 5 | 0 | 2 | 0 | 75 | 9.4 | 72 | 3 | 39 (2015) | | | | |
25. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | | | | |
26. | Green Sandpiper | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2016) | | | | |
27. | Redshank | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 1 | 5 | 0 | 11 | 1.4 | 11 | 0 | 5 (2019) | | | | |
28. | Black-headed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 31 | 38 | 4.8 | 38 | 0 | 31 (2020) | | | | |
29. | Common Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 1 | 0 | 1 (2020) | | | | |
30. | Great Black-backed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | | | | |
31. | Herring Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 0.5 | 4 | 0 | 4 (2020) | | | | |
32. | Lesser Black-backed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | | | | |
33. | Common Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 130 | 76 | 19 | 225 | 28 | 157 | 68 | 130 (2018) | | | | |
34. | White Stork | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 5 | 0.6 | 5 | 0 | 4 (2019) | | | | |
35. | Night Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 13 | 26 | 48 | 6 | 47 | 1 | 26 (2020) | | | | |
36. | Grey Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 17 | 26 | 3.3 | 24 | 2 | 17 (2020) | | | | |
37. | Sparrowhawk | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 5 | 0.6 | 5 | 0 | 4 (2019) | | | | |
38. | Goshawk | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 0.3 | 2 | 0 | 1 (2016) | | | | |
39. | Common Buzzard | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 5 | 2 | 3 | 24 | 3 | 16 | 8 | 7 (2016) | | | | |
40. | Barn Owl | 0 | 0 | 0 | 0 | 2 | 8 | 163 | 107 | 323 | 93 | 696 | 87 | 521 | 175 | 323 (2019) | | | | |
41. | Little Owl | 0 | 0 | 0 | 0 | 0 | 0 | 58 | 83 | 92 | 97 | 330 | 41 | 260 | 70 | 97 (2020) | | | | |
42. | Long-eared Owl | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | 5 | 0.6 | 5 | 0 | 4 (2019) | | | | |
43. | Tawny Owl | 0 | 0 | 0 | 0 | 0 | 2 | 16 | 10 | 9 | 5 | 42 | 5.3 | 39 | 3 | 16 (2017) | | | | |
44. | Kingfisher | 0 | 0 | 0 | 0 | 1 | 3 | 3 | 0 | 0 | 0 | 7 | 0.9 | 6 | 1 | 3 (2016) | | | | |
45. | Great Spotted Woodpecker | 0 | 0 | 0 | 1 | 3 | 0 | 1 | 0 | 0 | 0 | 5 | 0.6 | 4 | 1 | 3 (2015) | | | | |
46. | Kestrel | 0 | 0 | 0 | 0 | 0 | 28 | 166 | 284 | 407 | 512 | 1397 | 175 | 1294 | 103 | 512 (2020) | | | | |
47. | Jay | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 4 | 0.5 | 4 | 0 | 3 (2017) | | | | |
48. | Magpie | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 1 | 3 | 4 | 13 | 1.6 | 13 | 0 | 4 (2020) | | | | |
49. | Jackdaw | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 9 | 62 | 19 | 101 | 13 | 98 | 3 | 62 (2019) | | | | |
50. | Carrion Crow | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 1 | 5 | 0.6 | 5 | 0 | 3 (2018) | | | | |
| Species | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
51. | Coal Tit | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0.4 | 3 | 0 | 3 (2015) | | | | |
52. | Blue Tit | 0 | 0 | 29 | 54 | 151 | 55 | 31 | 28 | 29 | 19 | 396 | 50 | 316 | 80 | 151 (2015) | | | | |
53. | Great Tit | 0 | 0 | 16 | 38 | 96 | 96 | 138 | 85 | 93 | 98 | 660 | 83 | 573 | 87 | 138 (2017) | | | | |
54. | Skylark | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 1 | 0 | 17 | 2.1 | 17 | 0 | 16 (2017) | | | | |
55. | Sand Martin | 0 | 0 | 0 | 0 | 311 | 1406 | 1314 | 566 | 1084 | 444 | 5125 | 641 | 2818 | 2307 | 1406 (2016) | | | | |
56. | Swallow | 0 | 0 | 0 | 0 | 0 | 115 | 362 | 177 | 18 | 35 | 707 | 88 | 679 | 28 | 362 (2017) | | | | |
57. | House Martin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | | | | |
58. | Long-tailed Tit | 0 | 0 | 0 | 0 | 20 | 1 | 0 | 7 | 0 | 0 | 28 | 3.5 | 28 | 0 | 20 (2015) | | | | |
59. | Willow Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1 | 3 | 10 | 1.3 | 9 | 1 | 3 (2017) | | | | |
60. | Chiffchaff | 0 | 0 | 2 | 17 | 16 | 26 | 11 | 4 | 1 | 5 | 82 | 10.3 | 76 | 6 | 26 (2016) | | | | |
61. | Sedge Warbler | 0 | 0 | 0 | 0 | 2 | 4 | 4 | 3 | 0 | 0 | 13 | 1.6 | 13 | 0 | 4 (2016) | | | | |
62. | Reed Warbler | 0 | 0 | 0 | 0 | 5 | 30 | 33 | 9 | 4 | 2 | 83 | 10.4 | 82 | 1 | 33 (2017) | | | | |
63. | Marsh Warbler | 0 | 0 | 0 | 0 | 7 | 7 | 4 | 13 | 8 | 10 | 49 | 6.1 | 48 | 1 | 13 (2018) | | | | |
64. | Icterine Warbler | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 1 | 4 | 0.5 | 4 | 0 | 2 (2017) | | | | |
65. | Savi's Warbler | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 0.3 | 2 | 0 | 1 (2016) | | | | |
66. | Grasshopper Warbler | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 4 | 0.5 | 4 | 0 | 2 (2017) | | | | |
67. | Blackcap | 0 | 0 | 1 | 0 | 26 | 34 | 7 | 2 | 3 | 0 | 73 | 9.1 | 73 | 0 | 34 (2016) | | | | |
68. | Garden Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 1 | 5 | 0.6 | 5 | 0 | 3 (2017) | | | | |
69. | Lesser Whitethroat | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | | | | |
70. | Whitethroat | 0 | 0 | 0 | 0 | 10 | 20 | 5 | 8 | 5 | 9 | 57 | 7.1 | 57 | 0 | 20 (2016) | | | | |
71. | Firecrest | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 10 | 1.3 | 10 | 0 | 10 (2015) | | | | |
72. | Goldcrest | 0 | 0 | 0 | 0 | 58 | 0 | 0 | 1 | 0 | 0 | 59 | 7.4 | 56 | 3 | 58 (2015) | | | | |
73. | Wren | 0 | 0 | 8 | 15 | 35 | 26 | 7 | 1 | 0 | 3 | 95 | 11.9 | 79 | 16 | 35 (2015) | | | | |
74. | Nuthatch | 0 | 0 | 0 | 0 | 4 | 13 | 0 | 0 | 0 | 0 | 17 | 2.1 | 15 | 2 | 13 (2016) | | | | |
75. | Short-toed Tree Creeper | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 0.3 | 2 | 0 | 2 (2017) | | | | |
76. | Starling | 0 | 0 | 0 | 0 | 1 | 8 | 175 | 61 | 93 | 75 | 413 | 52 | 413 | 0 | 175 (2017) | | | | |
77. | Song Thrush | 0 | 0 | 1 | 10 | 23 | 11 | 2 | 0 | 1 | 0 | 48 | 6 | 48 | 0 | 23 (2015) | | | | |
78. | Redwing | 0 | 0 | 1 | 0 | 11 | 2 | 0 | 0 | 0 | 0 | 14 | 1.8 | 14 | 0 | 11 (2015) | | | | |
79. | Blackbird | 0 | 0 | 7 | 15 | 22 | 15 | 19 | 6 | 0 | 0 | 84 | 10.5 | 78 | 6 | 22 (2015) | | | | |
80. | Fieldfare | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2013) | | | | |
81. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 5 | 1 | 0 | 0 | 0 | 6 | 0.8 | 6 | 0 | 5 (2016) | | | | |
82. | Robin | 0 | 0 | 10 | 12 | 63 | 31 | 2 | 6 | 1 | 2 | 127 | 16 | 110 | 17 | 63 (2015) | | | | |
83. | Bluethroat | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 5 | 10 | 1.3 | 10 | 0 | 5 (2016) | | | | |
84. | White-spotted Bluethroat | 0 | 0 | 0 | 2 | 0 | 9 | 4 | 4 | 0 | 0 | 19 | 2.4 | 17 | 2 | 9 (2016) | | | | |
85. | Whinchat | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2015) | | | | |
86. | Stonechat | 0 | 0 | 0 | 0 | 11 | 1 | 11 | 0 | 0 | 1 | 24 | 3 | 23 | 1 | 11 (2015) | | | | |
87. | Wheatear | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2015) | | | | |
88. | Tree Sparrow | 0 | 0 | 0 | 1 | 41 | 12 | 6 | 0 | 4 | 0 | 64 | 8 | 59 | 5 | 41 (2015) | | | | |
89. | House Sparrow | 0 | 0 | 0 | 0 | 2 | 10 | 18 | 18 | 18 | 12 | 78 | 9.8 | 76 | 2 | 18 (2017) | | | | |
90. | Dunnock | 0 | 0 | 7 | 9 | 13 | 7 | 0 | 1 | 0 | 2 | 39 | 4.9 | 34 | 5 | 13 (2015) | | | | |
91. | White Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 5 | 0.6 | 5 | 0 | 5 (2017) | | | | |
92. | Meadow Pipit | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0.3 | 2 | 0 | 2 (2015) | | | | |
93. | Tree Pipit | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2015) | | | | |
94. | Rock Pipit | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2015) | | | | |
95. | Chaffinch | 0 | 0 | 2 | 7 | 22 | 8 | 1 | 0 | 0 | 0 | 40 | 5 | 38 | 2 | 22 (2015) | | | | |
96. | Greenfinch | 0 | 0 | 0 | 0 | 23 | 2 | 16 | 0 | 1 | 4 | 46 | 5.8 | 44 | 2 | 23 (2015) | | | | |
97. | Linnet | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 3 | 6 | 0.8 | 6 | 0 | 3 (2020) | | | | |
98. | Goldfinch | 0 | 0 | 0 | 0 | 1 | 13 | 3 | 1 | 0 | 2 | 20 | 2.5 | 20 | 0 | 13 (2016) | | | | |
99. | Reed Bunting | 0 | 0 | 0 | 5 | 36 | 18 | 6 | 3 | 0 | 8 | 76 | 9.5 | 73 | 3 | 36 (2015) | | | | |
| Species | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
|
Totals |
0 | 0 | 85 | 188 | 1115 | 2225 | 3159 | 1820 | 2631 | 1748 | 12971 | 1621 | 9780 | 3191 | | |
|
Observation hours |
| | | 11:45 | 100:00 | 153:20 | 268:46 | 572:55 | 608:14 | 653:06 | 2,368:06 | 296:01 | | | | |