Totals Maarnse Berg/Maarn-Zuid (nacht) 2010 - 2019
| Species | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | Totals | Average | Present | Year Maximum | |
1. | Dark-bellied Brent Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.2 | 0 | 1 (2018) | | | | |
2. | Canada Goose | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 4 | 4 | 4 | 16 | 3.2 | 0 | 4 (2017) | | | | |
3. | Barnacle Goose | 0 | 0 | 0 | 0 | 0 | 1 | 185 | 216 | 313 | 85 | 800 | 160 | 0 | 313 (2018) | | | | |
4. | Bar-headed Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.2 | 0 | 1 (2019) | | | | |
5. | Greylag Goose | 0 | 0 | 0 | 0 | 0 | 23 | 42 | 139 | 92 | 14 | 310 | 62 | 0 | 139 (2017) | | | | |
6. | Tundra Bean Goose | 0 | 0 | 0 | 0 | 0 | 29 | 13 | 33 | 24 | 7 | 106 | 21 | 0 | 33 (2017) | | | | |
7. | Eurasian White-fronted Goose | 0 | 0 | 0 | 0 | 0 | 779 | 469 | 681 | 592 | 235 | 2756 | 551 | 0 | 779 (2015) | | | | |
8. | Mute Swan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 4 | 0.8 | 0 | 3 (2017) | | | | |
9. | Bewick's Swan | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 5 | 1 | 4 | 14 | 2.8 | 0 | 5 (2017) | | | | |
10. | Egyptian Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.2 | 0 | 1 (2018) | | | | |
11. | Shelduck | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.2 | 0 | 1 (2018) | | | | |
12. | Garganey | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 0.4 | 0 | 2 (2016) | | | | |
13. | Shoveler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.2 | 0 | 1 (2018) | | | | |
14. | Gadwall | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 6 | 7 | 12 | 29 | 5.8 | 0 | 12 (2019) | | | | |
15. | Wigeon | 0 | 0 | 0 | 0 | 0 | 20 | 613 | 460 | 595 | 283 | 1971 | 394 | 0 | 613 (2016) | | | | |
16. | Mallard | 0 | 0 | 0 | 0 | 0 | 8 | 17 | 10 | 12 | 2 | 49 | 9.8 | 0 | 17 (2016) | | | | |
17. | Pintail | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 0 | 8 | 1.6 | 0 | 4 (2016) | | | | |
18. | Teal | 0 | 0 | 0 | 0 | 0 | 0 | 42 | 15 | 77 | 45 | 179 | 36 | 0 | 77 (2018) | | | | |
19. | duck sp. | 0 | 0 | 0 | 0 | 0 | 5 | 3 | 8 | 14 | 0 | 30 | 6 | 0 | 14 (2018) | | | | |
20. | Pochard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.2 | 0 | 1 (2018) | | | | |
21. | Tufted Duck | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.2 | 0 | 1 (2015) | | | | |
22. | Goldeneye | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 5 | 1 | 0 | 3 (2018) | | | | |
23. | Partridge | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.2 | 0 | 1 (2016) | | | | |
24. | Quail | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 4 | 7 | 14 | 2.8 | 0 | 7 (2019) | | | | |
25. | Water Rail | 0 | 0 | 0 | 0 | 0 | 1 | 15 | 21 | 49 | 18 | 104 | 21 | 0 | 49 (2018) | | | | |
26. | Spotted Crake | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.2 | 0 | 1 (2019) | | | | |
27. | Moorhen | 0 | 0 | 0 | 0 | 0 | 12 | 48 | 69 | 144 | 35 | 308 | 62 | 0 | 144 (2018) | | | | |
28. | Coot | 0 | 0 | 0 | 0 | 0 | 16 | 70 | 57 | 90 | 50 | 283 | 57 | 2 | 90 (2018) | | | | |
29. | Crane | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.2 | 0 | 1 (2018) | | | | |
30. | Little Grebe | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 6 | 6 | 5 | 20 | 4 | 0 | 6 (2017) | | | | |
31. | Great Crested Grebe | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.2 | 0 | 1 (2015) | | | | |
32. | Oystercatcher | 0 | 0 | 0 | 0 | 0 | 5 | 30 | 47 | 91 | 40 | 213 | 43 | 0 | 91 (2018) | | | | |
33. | Avocet | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 5 | 1 | 11 | 28 | 5.6 | 0 | 11 (2016) | | | | |
34. | Lapwing | 0 | 0 | 0 | 0 | 0 | 17 | 9 | 24 | 33 | 4 | 87 | 17.4 | 0 | 33 (2018) | | | | |
35. | Golden Plover | 0 | 0 | 0 | 0 | 0 | 6 | 13 | 14 | 15 | 6 | 54 | 10.8 | 0 | 15 (2018) | | | | |
36. | Grey Plover | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 2 | 4 | 2 | 12 | 2.4 | 0 | 4 (2016) | | | | |
37. | Ringed Plover | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 8 | 0 | 13 | 2.6 | 0 | 8 (2018) | | | | |
38. | Little Ringed Plover | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 6 | 9 | 9 | 26 | 5.2 | 0 | 9 (2018) | | | | |
39. | Dotterel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.2 | 0 | 1 (2018) | | | | |
40. | Whimbrel | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 11 | 13 | 4 | 33 | 6.6 | 0 | 13 (2018) | | | | |
41. | Curlew | 0 | 0 | 0 | 0 | 0 | 3 | 26 | 55 | 97 | 18 | 199 | 40 | 0 | 97 (2018) | | | | |
42. | Bar-tailed Godwit | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 0.4 | 0 | 1 (2015) | | | | |
43. | Black-tailed Godwit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 0.4 | 0 | 1 (2017) | | | | |
44. | Curlew Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.2 | 0 | 1 (2016) | | | | |
45. | Dunlin | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 5 | 6 | 3 | 17 | 3.4 | 0 | 6 (2018) | | | | |
46. | Woodcock | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.2 | 0 | 1 (2015) | | | | |
47. | Snipe | 0 | 0 | 0 | 0 | 0 | 7 | 4 | 2 | 2 | 0 | 15 | 3 | 0 | 7 (2015) | | | | |
48. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 1 | 9 | 33 | 55 | 24 | 122 | 24 | 0 | 55 (2018) | | | | |
49. | Green Sandpiper | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 8 | 14 | 9 | 36 | 7.2 | 0 | 14 (2018) | | | | |
50. | Redshank | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 7 | 4 | 7 | 25 | 5 | 0 | 7 (2017) | | | | |
| Species | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | Totals | Average | Present | Year Maximum | |
51. | Wood Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 0.6 | 0 | 3 (2018) | | | | |
52. | Greenshank | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 6 | 5 | 7 | 23 | 4.6 | 0 | 7 (2019) | | | | |
53. | Black-headed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 29 | 73 | 19 | 135 | 27 | 0 | 73 (2018) | | | | |
54. | Common Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 22 | 4 | 27 | 5.4 | 0 | 22 (2018) | | | | |
55. | Herring Gull | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.2 | 0 | 1 (2016) | | | | |
56. | Lesser Black-backed Gull | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 3 | 1 | 7 | 1.4 | 0 | 3 (2018) | | | | |
57. | Caspian Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.2 | 0 | 1 (2017) | | | | |
58. | Common Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0.4 | 0 | 1 (2018) | | | | |
59. | Bittern | 0 | 0 | 0 | 0 | 0 | 10 | 10 | 7 | 6 | 3 | 36 | 7.2 | 0 | 10 (2015) | | | | |
60. | Little Bittern | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.2 | 0 | 1 (2016) | | | | |
61. | Night Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.4 | 0 | 2 (2018) | | | | |
62. | Grey Heron | 0 | 0 | 0 | 0 | 0 | 38 | 41 | 41 | 38 | 23 | 181 | 36 | 0 | 41 (2016) | | | | |
63. | Purple Heron | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 0 | 2 | 7 | 1.4 | 0 | 2 (2016) | | | | |
64. | Great White Egret | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.2 | 0 | 1 (2015) | | | | |
65. | Little Egret | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.2 | 0 | 1 (2016) | | | | |
66. | Barn Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.2 | 1 | 1 (2017) | | | | |
67. | Long-eared Owl | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.2 | 0 | 1 (2016) | | | | |
68. | Jackdaw | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.4 | 0 | 2 (2018) | | | | |
69. | Wood Lark | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1 | 7 | 1.4 | 0 | 3 (2017) | | | | |
70. | Skylark | 0 | 0 | 0 | 0 | 0 | 54 | 4 | 4 | 14 | 0 | 76 | 15.2 | 0 | 54 (2015) | | | | |
71. | Blackcap | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.2 | 0 | 1 (2019) | | | | |
72. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 3 | 6 | 4 | 1 | 0 | 14 | 2.8 | 0 | 6 (2016) | | | | |
73. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 606 | 316 | 983 | 3619 | 82 | 5606 | 1121 | 1 | 3619 (2018) | | | | |
74. | Redwing | 0 | 0 | 0 | 0 | 0 | 351 | 241 | 1136 | 3478 | 170 | 5376 | 1075 | 0 | 3478 (2018) | | | | |
75. | Blackbird | 0 | 0 | 0 | 0 | 0 | 21 | 10 | 126 | 253 | 8 | 418 | 84 | 0 | 253 (2018) | | | | |
76. | Fieldfare | 0 | 0 | 0 | 0 | 0 | 6 | 7 | 20 | 40 | 3 | 76 | 15.2 | 0 | 40 (2018) | | | | |
77. | Ring Ouzel | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 2 | 0 | 6 | 1.2 | 0 | 2 (2015) | | | | |
78. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 0.4 | 0 | 1 (2015) | | | | |
79. | Robin | 0 | 0 | 0 | 0 | 0 | 50 | 23 | 57 | 177 | 12 | 319 | 64 | 1 | 177 (2018) | | | | |
80. | Pied Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 0.6 | 0 | 2 (2018) | | | | |
81. | Black Redstart | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.2 | 0 | 1 (2019) | | | | |
82. | Dunnock | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 3 | 0.6 | 0 | 2 (2015) | | | | |
83. | Yellow wagtail sp. | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 4 | 0.8 | 0 | 3 (2018) | | | | |
84. | Meadow Pipit | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 0 | 6 | 1.2 | 0 | 3 (2015) | | | | |
85. | Tree Pipit | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 1 | 12 | 13 | 31 | 6.2 | 0 | 13 (2019) | | | | |
86. | Chaffinch | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 2 | 0 | 6 | 1.2 | 0 | 4 (2015) | | | | |
87. | Brambling | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 0 | 5 | 1 | 0 | 2 (2015) | | | | |
88. | Hawfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 4 | 0.8 | 0 | 2 (2017) | | | | |
89. | Northern Bullfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.2 | 0 | 1 (2018) | | | | |
90. | Parrot Crossbill | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.2 | 0 | 1 (2018) | | | | |
91. | Crossbill | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.2 | 0 | 1 (2017) | | | | |
92. | Goldfinch | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 0.4 | 0 | 2 (2016) | | | | |
93. | Siskin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.4 | 0 | 2 (2018) | | | | |
94. | Lapland Bunting | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.2 | 0 | 1 (2015) | | | | |
95. | Yellowhammer | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.2 | 0 | 1 (2017) | | | | |
96. | Ortolan Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 6 | 0 | 13 | 2.6 | 0 | 6 (2018) | | | | |
97. | Reed Bunting | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 0 | 0 | 0 | 5 | 1 | 0 | 4 (2015) | | | | |
98. | Species unidentified | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 0.6 | 0 | 3 (2018) | | | | |
| Other species |
1. | Common Noctule | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.2 | 0 | 1 (2015) | | | | |
| Species | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | Totals | Average | Present | Year Maximum | |
|
Totals |
0 | 0 | 0 | 0 | 0 | 2120 | 2347 | 4395 | 10172 | 1299 | 20333 | 4067 | 5 | | |
|
Observation hours |
| | | | | 370:57 | 526:41 | 1,061:45 | 1,243:47 | 478:30 | 3,681:40 | 736:20 | | | |