Select until 22 February
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 | 2617 | 6828 | 3414 | 0 | 4211 (2024) | | | | |
3. | Greylag Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1028 | 585 | 1613 | 807 | 0 | 1028 (2024) | | | | |
4. | goose sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 8 | 25 | 12.5 | 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 | 10169 | 22940 | 11470 | 0 | 12771 (2024) | | | | |
8. | Mute Swan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 1.5 | 0 | 2 (2024) | | | | |
9. | Shelduck | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 2 (2024) | | | | |
10. | Shoveler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2025) | | | | |
11. | Gadwall | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 162 | 58 | 220 | 110 | 0 | 162 (2024) | | | | |
12. | Wigeon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9028 | 8665 | 17693 | 8847 | 0 | 9028 (2024) | | | | |
13. | Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 71 | 11 | 82 | 41 | 0 | 71 (2024) | | | | |
14. | Teal | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 34 | 59 | 29.5 | 0 | 34 (2025) | | | | |
15. | duck sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 164 | 33 | 197 | 99 | 0 | 164 (2024) | | | | |
16. | Pochard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 0 | 1 (2024) | | | | |
17. | Tufted Duck | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 4 | 2 | 0 | 3 (2024) | | | | |
18. | Aythya sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 13 | 6.5 | 0 | 13 (2024) | | | | |
19. | Goldeneye | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 1.5 | 0 | 2 (2024) | | | | |
20. | Quail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 2 | 0 | 4 (2024) | | | | |
21. | Swift | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 2 (2024) | | | | |
22. | Water Rail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 72 | 0 | 72 | 36 | 0 | 72 (2024) | | | | |
23. | Spotted Crake | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 9 | 4.5 | 0 | 9 (2024) | | | | |
24. | Moorhen | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 74 | 5 | 79 | 39.5 | 0 | 74 (2024) | | | | |
25. | Coot | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 154 | 13 | 167 | 84 | 0 | 154 (2024) | | | | |
26. | Little Grebe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 102 | 0 | 102 | 51 | 0 | 102 (2024) | | | | |
27. | Great Crested Grebe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 2 (2024) | | | | |
28. | Oystercatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 227 | 45 | 272 | 136 | 0 | 227 (2024) | | | | |
29. | Avocet | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 27 | 13.5 | 0 | 27 (2024) | | | | |
30. | Grey Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 1 | 14 | 7 | 0 | 13 (2024) | | | | |
31. | Golden Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 4 | 26 | 13 | 0 | 22 (2024) | | | | |
32. | Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 16 | 8 | 0 | 16 (2024) | | | | |
33. | Little Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 40 | 0 | 40 | 20 | 0 | 40 (2024) | | | | |
34. | Lapwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 2 | 19 | 9.5 | 0 | 17 (2024) | | | | |
35. | Whimbrel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 45 | 0 | 45 | 22.5 | 0 | 45 (2024) | | | | |
36. | Curlew | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 142 | 17 | 159 | 80 | 0 | 142 (2024) | | | | |
37. | Snipe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 81 | 73 | 154 | 77 | 0 | 81 (2024) | | | | |
38. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 536 | 1 | 537 | 269 | 0 | 536 (2024) | | | | |
39. | Green Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 0 | 61 | 30.5 | 0 | 61 (2024) | | | | |
40. | Wood Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 6 | 3 | 0 | 6 (2024) | | | | |
41. | Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 109 | 0 | 109 | 55 | 0 | 109 (2024) | | | | |
42. | Spotted Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 1.5 | 0 | 3 (2024) | | | | |
43. | Greenshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 43 | 0 | 43 | 21.5 | 0 | 43 (2024) | | | | |
44. | wader sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 1.5 | 0 | 3 (2024) | | | | |
45. | Curlew Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 2 (2024) | | | | |
46. | Dunlin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 39 | 1 | 40 | 20 | 0 | 39 (2024) | | | | |
47. | Caspian Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 2 (2024) | | | | |
48. | Black Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
49. | Common Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 2 | 0 | 4 (2024) | | | | |
50. | Black-headed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 100 | 1 | 101 | 51 | 0 | 100 (2024) | | | | |
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |
51. | Mediterranean Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
52. | Common Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 5 | 2.5 | 0 | 3 (2025) | | | | |
53. | Herring Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 6 | 3 | 0 | 3 (2024) | | | | |
54. | Lesser Black-backed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 13 | 6.5 | 0 | 13 (2024) | | | | |
55. | large gull sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
56. | Cormorant | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
57. | Bittern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 44 | 0 | 44 | 22 | 0 | 44 (2024) | | | | |
58. | Little Bittern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 5 | 2.5 | 0 | 5 (2024) | | | | |
59. | Night Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 13 | 6.5 | 0 | 13 (2024) | | | | |
60. | heron sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
61. | Grey Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 216 | 19 | 235 | 118 | 0 | 216 (2024) | | | | |
62. | Purple Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 2 | 0 | 4 (2024) | | | | |
63. | Barn Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 8 | 4 | 0 | 8 (2024) | | | | |
64. | Long-eared Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 0 | 1 (2024) | | | | |
65. | Tawny Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 0 | 1 (2024) | | | | |
66. | Kingfisher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 1 | 7 | 3.5 | 0 | 6 (2024) | | | | |
67. | Great Spotted Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
68. | Green Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
69. | Jay | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
70. | Carrion Crow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
71. | Skylark | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 7 | 3.5 | 0 | 4 (2025) | | | | |
72. | Sand Martin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
73. | Chiffchaff | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 2 (2024) | | | | |
74. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
75. | Short-toed Tree Creeper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
76. | Starling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 15 | 7.5 | 0 | 15 (2024) | | | | |
77. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 658 | 22 | 680 | 340 | 0 | 658 (2024) | | | | |
78. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4758 | 132 | 4890 | 2445 | 0 | 4758 (2024) | | | | |
79. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 459 | 3 | 462 | 231 | 0 | 459 (2024) | | | | |
80. | Fieldfare | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 5 | 2.5 | 0 | 5 (2024) | | | | |
81. | thrush sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
82. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
83. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
84. | Pied Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 2 (2024) | | | | |
85. | Blue-headed Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 1.5 | 0 | 3 (2024) | | | | |
86. | Tree Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 9 | 4.5 | 0 | 9 (2024) | | | | |
87. | Olive-backed Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
88. | Chaffinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 1.5 | 0 | 2 (2024) | | | | |
89. | Brambling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 2 | 0 | 4 (2024) | | | | |
90. | Hawfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 2 (2024) | | | | |
91. | Goldfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 1.5 | 0 | 3 (2024) | | | | |
92. | Siskin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 2 (2024) | | | | |
93. | Ortolan Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 5 | 2.5 | 0 | 5 (2024) | | | | |
94. | Reed Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 5 | 2.5 | 0 | 4 (2024) | | | | |
95. | bunting sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | | | | |
96. | Species unidentified | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 117 | 44 | 161 | 81 | 0 | 117 (2024) | | | | |
97. | 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 | 22592 | 58452 | 29226 | 0 | | |
|
Observation hours |
| | | | | | | | 1,760:39 | 547:37 | 2,308:16 | 1,154:08 | | | |