Select until 21 November
Totals Drachten - De Drait (nacht) 2016 - 2025
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |
| 1. | Dark-bellied Brent Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0.5 | 0 | 2 (2025) | | | | |
| 2. | Canada Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 3 | 14 | 22 | 5.5 | 0 | 14 (2025) | | | | |
| 3. | Barnacle Goose | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 154 | 105 | 38 | 321 | 80 | 0 | 154 (2023) | | | | |
| 4. | Greylag Goose | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 70 | 54 | 31 | 168 | 42 | 0 | 70 (2023) | | | | |
| 5. | goose sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 6. | Pink-footed Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 0 | 9 | 2.3 | 0 | 8 (2024) | | | | |
| 7. | Tundra Bean Goose | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 12 | 10 | 10 | 33 | 8.3 | 0 | 12 (2023) | | | | |
| 8. | Eurasian White-fronted Goose | 0 | 0 | 0 | 0 | 0 | 0 | 132 | 628 | 896 | 334 | 1990 | 498 | 1 | 896 (2024) | | | | |
| 9. | Whooper Swan | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2022) | | | | |
| 10. | Egyptian Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 11 | 1 | 25 | 6.3 | 0 | 13 (2023) | | | | |
| 11. | Gadwall | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 17 | 21 | 8 | 47 | 11.8 | 0 | 21 (2024) | | | | |
| 12. | Wigeon | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 148 | 300 | 164 | 624 | 156 | 0 | 300 (2024) | | | | |
| 13. | Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 32 | 26 | 2 | 65 | 16.3 | 0 | 32 (2023) | | | | |
| 14. | Teal | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 52 | 36 | 13 | 102 | 26 | 0 | 52 (2023) | | | | |
| 15. | Tufted Duck | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 0.5 | 0 | 1 (2023) | | | | |
| 16. | Goldeneye | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 5 | 1.3 | 0 | 3 (2023) | | | | |
| 17. | Cuckoo | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 18. | Water Rail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 11 | 7 | 22 | 5.5 | 0 | 11 (2024) | | | | |
| 19. | Moorhen | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 23 | 5 | 1 | 30 | 7.5 | 0 | 23 (2023) | | | | |
| 20. | Coot | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 100 | 179 | 37 | 330 | 83 | 0 | 179 (2024) | | | | |
| 21. | Crane | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 22. | Little Grebe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 23. | Oystercatcher | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 104 | 112 | 18 | 235 | 59 | 0 | 112 (2024) | | | | |
| 24. | Avocet | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 4 | 1 | 0 | 2 (2024) | | | | |
| 25. | Grey Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 26. | Golden Plover | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 16 | 29 | 11 | 63 | 15.8 | 0 | 29 (2024) | | | | |
| 27. | Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 2 | 4 | 10 | 2.5 | 0 | 4 (2023) | | | | |
| 28. | Little Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 4 | 1 | 0 | 3 (2024) | | | | |
| 29. | Lapwing | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 14 | 2 | 24 | 6 | 0 | 14 (2024) | | | | |
| 30. | Whimbrel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 17 | 5 | 34 | 8.5 | 0 | 17 (2024) | | | | |
| 31. | Curlew | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 26 | 16 | 16 | 59 | 14.8 | 0 | 26 (2023) | | | | |
| 32. | Snipe | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 14 | 6 | 3 | 24 | 6 | 0 | 14 (2023) | | | | |
| 33. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 19 | 13 | 45 | 11.3 | 0 | 19 (2024) | | | | |
| 34. | Green Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 6 | 1 | 12 | 3 | 0 | 6 (2024) | | | | |
| 35. | Wood Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 36. | Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 4 | 3 | 23 | 5.8 | 0 | 16 (2023) | | | | |
| 37. | Spotted Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 38. | Greenshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 3 | 9 | 2.3 | 0 | 5 (2024) | | | | |
| 39. | wader sp. | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2022) | | | | |
| 40. | Dunlin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 6 | 2 | 12 | 3 | 0 | 6 (2024) | | | | |
| 41. | Common Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 42. | Black-headed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 70 | 35 | 3 | 116 | 29 | 0 | 70 (2023) | | | | |
| 43. | Common Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 20 | 1 | 26 | 6.5 | 0 | 20 (2024) | | | | |
| 44. | Herring Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 0.8 | 0 | 3 (2024) | | | | |
| 45. | Lesser Black-backed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 1 | 0 | 14 | 3.5 | 0 | 13 (2023) | | | | |
| 46. | large gull sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 47. | Bittern | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 9 | 1 | 18 | 4.5 | 0 | 9 (2024) | | | | |
| 48. | Night Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 3 | 0.8 | 0 | 2 (2024) | | | | |
| 49. | Grey Heron | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 59 | 27 | 52 | 152 | 38 | 0 | 59 (2023) | | | | |
| 50. | Barn Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 12 | 5 | 31 | 7.8 | 0 | 14 (2023) | | | | |
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |
| 51. | Tawny Owl | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 3 | 0.8 | 0 | 1 (2022) | | | | |
| 52. | Jackdaw | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 53. | Rook | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 54. | Carrion Crow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 3 | 8 | 2 | 0 | 3 (2024) | | | | |
| 55. | Waxwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 56. | Skylark | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 0 | 8 | 2 | 0 | 4 (2023) | | | | |
| 57. | Blackcap | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0.5 | 0 | 1 (2023) | | | | |
| 58. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 59. | Starling | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2022) | | | | |
| 60. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 2311 | 965 | 1067 | 4371 | 1093 | 0 | 2311 (2023) | | | | |
| 61. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 227 | 1614 | 2051 | 1860 | 5752 | 1438 | 0 | 2051 (2024) | | | | |
| 62. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 73 | 151 | 46 | 293 | 73 | 0 | 151 (2024) | | | | |
| 63. | Fieldfare | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 2 | 0 | 8 | 2 | 0 | 6 (2023) | | | | |
| 64. | Ring Ouzel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 65. | thrush sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 66. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 67. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 52 | 34 | 31 | 149 | 37 | 0 | 52 (2023) | | | | |
| 68. | Dunnock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.5 | 0 | 2 (2024) | | | | |
| 69. | Grey Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 70. | Tree Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 6 | 2 | 13 | 3.3 | 0 | 6 (2024) | | | | |
| 71. | Chaffinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 3 | 0.8 | 0 | 2 (2023) | | | | |
| 72. | Hawfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 1 | 0 | 4 (2024) | | | | |
| 73. | Ortolan Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 74. | Reed Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 75. | Species unidentified | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 17 | 6 | 6 | 31 | 7.8 | 0 | 17 (2023) | | | | |
| 76. | passerine sp. | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 4 | 1 | 0 | 2 (2022) | | | | |
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |
| |
Totals |
0 | 0 | 0 | 0 | 0 | 0 | 559 | 5755 | 5252 | 3825 | 15391 | 3848 | 1 | | |
| |
Observation hours |
| | | | | | 170:00 | 1,138:50 | 1,007:05 | 495:10 | 2,811:05 | 702:46 | | | |