Select until 18 January
Totals Herwijnen (nacht) 2017 - 2026
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Present | Year Maximum | |
| 1. | Canada Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 9 | 2.3 | 0 | 9 (2025) | | | | |
| 2. | Barnacle Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 16 | 4 | 0 | 16 (2025) | | | | |
| 3. | Greylag Goose | 0 | 0 | 0 | 0 | 0 | 0 | 177 | 0 | 26 | 0 | 203 | 51 | 0 | 177 (2023) | | | | |
| 4. | goose sp. | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 5. | Eurasian White-fronted Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 81 | 0 | 81 | 20.3 | 0 | 81 (2025) | | | | |
| 6. | Gadwall | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 14 | 158 | 0 | 188 | 47 | 0 | 158 (2025) | | | | |
| 7. | Wigeon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 112 | 15 | 127 | 32 | 0 | 112 (2025) | | | | |
| 8. | Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 3 | 8 | 0 | 22 | 5.5 | 1 | 11 (2023) | | | | |
| 9. | duck sp. | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 3 | 0.8 | 0 | 2 (2023) | | | | |
| 10. | Pheasant | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | | | | |
| 11. | Quail | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 7 | 0 | 11 | 2.8 | 0 | 7 (2025) | | | | |
| 12. | Swift | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 0 | 5 | 1.3 | 0 | 3 (2025) | | | | |
| 13. | Water Rail | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 14 | 0 | 16 | 4 | 0 | 14 (2025) | | | | |
| 14. | Spotted Crake | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 15. | Moorhen | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 3 | 0.8 | 1 | 2 (2023) | | | | |
| 16. | Coot | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 1 | 30 | 0 | 38 | 9.5 | 2 | 30 (2025) | | | | |
| 17. | Little Grebe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | 7 | 1.8 | 0 | 6 (2025) | | | | |
| 18. | Oystercatcher | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 10 | 16 | 0 | 48 | 12 | 0 | 22 (2023) | | | | |
| 19. | Golden Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 12 | 3 | 1 | 12 (2025) | | | | |
| 20. | Dotterel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 21. | Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 6 | 0 | 11 | 2.8 | 0 | 6 (2025) | | | | |
| 22. | Little Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 14 | 0 | 18 | 4.5 | 0 | 14 (2025) | | | | |
| 23. | Lapwing | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 23 | 0 | 27 | 6.8 | 0 | 23 (2025) | | | | |
| 24. | Whimbrel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 0 | 18 | 4.5 | 0 | 9 (2024) | | | | |
| 25. | Curlew | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 24 | 2 | 29 | 7.3 | 0 | 24 (2025) | | | | |
| 26. | Snipe | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 0 | 6 | 1.5 | 0 | 3 (2025) | | | | |
| 27. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 11 | 19 | 0 | 40 | 10 | 0 | 19 (2025) | | | | |
| 28. | Green Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 3 | 15 | 0 | 32 | 8 | 0 | 15 (2025) | | | | |
| 29. | Wood Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0.5 | 0 | 2 (2024) | | | | |
| 30. | Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 3 | 0 | 8 | 2 | 0 | 5 (2024) | | | | |
| 31. | Greenshank | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 1 | 10 | 0 | 27 | 6.8 | 0 | 16 (2023) | | | | |
| 32. | wader sp. | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 0 | 6 | 1.5 | 0 | 5 (2025) | | | | |
| 33. | Dunlin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 34. | Black-headed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 15 | 3.8 | 0 | 15 (2025) | | | | |
| 35. | Bittern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 4 | 1 | 0 | 3 (2025) | | | | |
| 36. | Little Bittern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 37. | Night Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 0 | 6 | 1.5 | 0 | 4 (2025) | | | | |
| 38. | Grey Heron | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 92 | 155 | 3 | 282 | 71 | 0 | 155 (2025) | | | | |
| 39. | Barn Owl | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 3 | 0 | 8 | 2 | 1 | 4 (2023) | | | | |
| 40. | Little Owl | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 0 | 5 | 1.3 | 2 | 3 (2024) | | | | |
| 41. | Long-eared Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0.5 | 1 | 1 (2025) | | | | |
| 42. | Tawny Owl | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 0.5 | 1 | 2 (2023) | | | | |
| 43. | Magpie | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 0.8 | 0 | 3 (2025) | | | | |
| 44. | Jackdaw | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 4 | 0 | 14 | 3.5 | 0 | 10 (2023) | | | | |
| 45. | Carrion Crow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 46. | Skylark | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 5 | 1.3 | 0 | 3 (2024) | | | | |
| 47. | Marsh Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 48. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 3 | 0.8 | 0 | 2 (2025) | | | | |
| 49. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 731 | 1343 | 2022 | 2 | 4098 | 1025 | 0 | 2022 (2025) | | | | |
| 50. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 50 | 601 | 1032 | 28 | 1711 | 428 | 0 | 1032 (2025) | | | | |
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Present | Year Maximum | |
| 51. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 35 | 2 | 54 | 13.5 | 1 | 35 (2025) | | | | |
| 52. | Ring Ouzel | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 0.5 | 0 | 1 (2023) | | | | |
| 53. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 9 | 7 | 0 | 23 | 5.8 | 0 | 9 (2024) | | | | |
| 54. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 74 | 55 | 0 | 153 | 38 | 0 | 74 (2024) | | | | |
| 55. | Nightingale | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 56. | Pied Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 57. | Dunnock | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 58. | Blue-headed Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 4 | 1 | 0 | 4 (2024) | | | | |
| 59. | Yellow wagtail sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 60. | Meadow Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 61. | Tree Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 47 | 20 | 0 | 67 | 16.8 | 0 | 47 (2024) | | | | |
| 62. | Brambling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 63. | Ortolan Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 5 | 0 | 8 | 2 | 0 | 5 (2025) | | | | |
| 64. | Ortolan Bunting/Yellow wagtail sp. (Tew call) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 1 (2024) | | | | |
| 65. | Species unidentified | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 7 | 6 | 0 | 35 | 8.8 | 0 | 22 (2023) | | | | |
| 66. | passerine sp. | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 0 | 5 | 1.3 | 0 | 3 (2023) | | | | |
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Present | Year Maximum | |
| |
Totals |
0 | 0 | 0 | 0 | 0 | 0 | 1185 | 2282 | 4016 | 53 | 7536 | 1884 | 12 | | |
| |
Observation hours |
| | | | | | 133:32 | 177:18 | 437:59 | 12:00 | 760:49 | 190:12 | | | |