Select until 4 April
Totals Vijfhoek Diemen (nacht) 2016 - 2025
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |
1. | Canada Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 6 | 3 | 0 | 6 (2024) | | | | |
2. | Barnacle Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4211 | 7548 | 11759 | 5880 | 0 | 7548 (2025) | | | | |
3. | Greylag Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1028 | 806 | 1834 | 917 | 0 | 1028 (2024) | | | | |
4. | goose sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 12 | 29 | 14.5 | 0 | 17 (2024) | | | | |
5. | Pink-footed Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
6. | Tundra Bean Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 8 | 17 | 8.5 | 0 | 9 (2024) | | | | |
7. | Eurasian White-fronted Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12771 | 17145 | 29916 | 14958 | 0 | 17145 (2025) | | | | |
8. | Mute Swan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 4 | 2 | 0 | 2 (2024) | | | | |
9. | Egyptian Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | | | | |
10. | Shelduck | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 1.5 | 0 | 2 (2024) | | | | |
11. | Shoveler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 10 | 5 | 0 | 10 (2025) | | | | |
12. | Gadwall | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 162 | 159 | 321 | 161 | 0 | 162 (2024) | | | | |
13. | Wigeon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9028 | 11988 | 21016 | 10508 | 0 | 11988 (2025) | | | | |
14. | Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 71 | 36 | 107 | 54 | 0 | 71 (2024) | | | | |
15. | Teal | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 95 | 120 | 60 | 0 | 95 (2025) | | | | |
16. | duck sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 164 | 68 | 232 | 116 | 0 | 164 (2024) | | | | |
17. | Pochard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 1.5 | 0 | 2 (2025) | | | | |
18. | Tufted Duck | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 4 | 2 | 0 | 3 (2024) | | | | |
19. | Aythya sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 1 | 14 | 7 | 0 | 13 (2024) | | | | |
20. | Goldeneye | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 1.5 | 0 | 2 (2024) | | | | |
21. | Quail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 2 | 0 | 4 (2024) | | | | |
22. | Swift | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 2 (2024) | | | | |
23. | Water Rail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 72 | 22 | 94 | 47 | 0 | 72 (2024) | | | | |
24. | Spotted Crake | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 9 | 4.5 | 0 | 9 (2024) | | | | |
25. | Moorhen | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 74 | 50 | 124 | 62 | 0 | 74 (2024) | | | | |
26. | Coot | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 154 | 41 | 195 | 98 | 0 | 154 (2024) | | | | |
27. | Little Grebe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 102 | 19 | 121 | 61 | 0 | 102 (2024) | | | | |
28. | Great Crested Grebe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 2 (2024) | | | | |
29. | Oystercatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 227 | 179 | 406 | 203 | 0 | 227 (2024) | | | | |
30. | Avocet | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 12 | 39 | 19.5 | 0 | 27 (2024) | | | | |
31. | Grey Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 2 | 15 | 7.5 | 0 | 13 (2024) | | | | |
32. | Golden Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 30 | 52 | 26 | 0 | 30 (2025) | | | | |
33. | Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 1 | 17 | 8.5 | 0 | 16 (2024) | | | | |
34. | Little Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 40 | 10 | 50 | 25 | 0 | 40 (2024) | | | | |
35. | Lapwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 9 | 26 | 13 | 0 | 17 (2024) | | | | |
36. | Whimbrel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 45 | 0 | 45 | 22.5 | 0 | 45 (2024) | | | | |
37. | Curlew | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 142 | 34 | 176 | 88 | 0 | 142 (2024) | | | | |
38. | Black-tailed Godwit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1.5 | 0 | 3 (2025) | | | | |
39. | Snipe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 81 | 115 | 196 | 98 | 0 | 115 (2025) | | | | |
40. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 536 | 2 | 538 | 269 | 0 | 536 (2024) | | | | |
41. | Green Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 0 | 61 | 30.5 | 0 | 61 (2024) | | | | |
42. | Wood Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 6 | 3 | 0 | 6 (2024) | | | | |
43. | Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 109 | 16 | 125 | 63 | 0 | 109 (2024) | | | | |
44. | Spotted Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 1.5 | 0 | 3 (2024) | | | | |
45. | Greenshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 43 | 0 | 43 | 21.5 | 0 | 43 (2024) | | | | |
46. | wader sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 1.5 | 0 | 3 (2024) | | | | |
47. | Curlew Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 2 (2024) | | | | |
48. | Dunlin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 39 | 12 | 51 | 25.5 | 0 | 39 (2024) | | | | |
49. | Caspian Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 2 (2024) | | | | |
50. | Black Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |
51. | Common Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 2 | 0 | 4 (2024) | | | | |
52. | Black-headed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 100 | 47 | 147 | 74 | 0 | 100 (2024) | | | | |
53. | Mediterranean Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
54. | Common Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 17 | 19 | 9.5 | 0 | 17 (2025) | | | | |
55. | Herring Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 8 | 11 | 5.5 | 0 | 8 (2025) | | | | |
56. | Lesser Black-backed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 23 | 36 | 18 | 0 | 23 (2025) | | | | |
57. | large gull sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
58. | Cormorant | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
59. | Bittern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 44 | 6 | 50 | 25 | 0 | 44 (2024) | | | | |
60. | Little Bittern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 5 | 2.5 | 0 | 5 (2024) | | | | |
61. | Night Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 13 | 6.5 | 0 | 13 (2024) | | | | |
62. | heron sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
63. | Grey Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 216 | 65 | 281 | 141 | 0 | 216 (2024) | | | | |
64. | Purple Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 2 | 0 | 4 (2024) | | | | |
65. | Barn Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 2 | 10 | 5 | 0 | 8 (2024) | | | | |
66. | Long-eared Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 0 | 1 (2024) | | | | |
67. | owl sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | | | | |
68. | Tawny Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 0 | 1 (2024) | | | | |
69. | Kingfisher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 1 | 7 | 3.5 | 0 | 6 (2024) | | | | |
70. | Great Spotted Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
71. | Green Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
72. | Jay | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
73. | Carrion Crow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
74. | Skylark | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 7 | 3.5 | 0 | 4 (2025) | | | | |
75. | Sand Martin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
76. | Long-tailed Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1.5 | 0 | 3 (2025) | | | | |
77. | Chiffchaff | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 2 (2024) | | | | |
78. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
79. | Short-toed Tree Creeper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
80. | Starling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 15 | 7.5 | 0 | 15 (2024) | | | | |
81. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 658 | 167 | 825 | 413 | 0 | 658 (2024) | | | | |
82. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4758 | 627 | 5385 | 2693 | 0 | 4758 (2024) | | | | |
83. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 459 | 10 | 469 | 235 | 0 | 459 (2024) | | | | |
84. | Fieldfare | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 2 | 7 | 3.5 | 0 | 5 (2024) | | | | |
85. | thrush sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
86. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
87. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 0 | 1 (2024) | | | | |
88. | Pied Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 2 (2024) | | | | |
89. | Blue-headed Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 1.5 | 0 | 3 (2024) | | | | |
90. | Meadow Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | | | | |
91. | Tree Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 9 | 4.5 | 0 | 9 (2024) | | | | |
92. | Olive-backed Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
93. | Chaffinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 1.5 | 0 | 2 (2024) | | | | |
94. | Brambling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 2 | 0 | 4 (2024) | | | | |
95. | Hawfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 2 (2024) | | | | |
96. | Goldfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 1.5 | 0 | 3 (2024) | | | | |
97. | Siskin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 1.5 | 0 | 2 (2024) | | | | |
98. | Ortolan Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 5 | 2.5 | 0 | 5 (2024) | | | | |
99. | Reed Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 5 | 2.5 | 0 | 4 (2024) | | | | |
100. | bunting sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |
101. | Species unidentified | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 117 | 98 | 215 | 108 | 0 | 117 (2024) | | | | |
102. | passerine sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |
|
Totals |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 35860 | 39529 | 75389 | 37695 | 0 | | |
|
Observation hours |
| | | | | | | | 1,760:39 | 1,032:18 | 2,792:57 | 1,396:29 | | | |