Select until 21 November
Totals Heverlee (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 | 0 | 22 | 22 | 11 | 0 | 22 (2025) | | | | |
| 2. | Bar-headed Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | | | | |
| 3. | Greylag Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | | | | |
| 4. | Eurasian White-fronted Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 4 | 14 | 7 | 0 | 10 (2024) | | | | |
| 5. | Egyptian Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | | | | |
| 6. | Gadwall | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 2.5 | 0 | 5 (2025) | | | | |
| 7. | Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 16 | 8 | 0 | 16 (2025) | | | | |
| 8. | Teal | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 2 | 0 | 4 (2025) | | | | |
| 9. | Quail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 27 | 13.5 | 0 | 27 (2025) | | | | |
| 10. | Water Rail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 72 | 72 | 36 | 0 | 72 (2025) | | | | |
| 11. | Moorhen | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 180 | 180 | 90 | 0 | 180 (2025) | | | | |
| 12. | Coot | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 90 | 90 | 45 | 0 | 90 (2025) | | | | |
| 13. | Crane | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | | | | |
| 14. | Little Grebe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 4.5 | 0 | 9 (2025) | | | | |
| 15. | Stone Curlew | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | | | | |
| 16. | Oystercatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 11 | 5.5 | 0 | 11 (2025) | | | | |
| 17. | Golden Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1.5 | 0 | 3 (2025) | | | | |
| 18. | Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | | | | |
| 19. | Little Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 15 | 7.5 | 0 | 15 (2025) | | | | |
| 20. | Lapwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | | | | |
| 21. | Whimbrel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | | | | |
| 22. | Curlew | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2025) | | | | |
| 23. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 34 | 17 | 0 | 34 (2025) | | | | |
| 24. | Green Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 16 | 8 | 0 | 16 (2025) | | | | |
| 25. | Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 2 | 0 | 4 (2025) | | | | |
| 26. | Greenshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 10 | 5 | 0 | 10 (2025) | | | | |
| 27. | Black-headed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 2.5 | 0 | 5 (2025) | | | | |
| 28. | Bittern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | | | | |
| 29. | Night Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | | | | |
| 30. | Grey Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 61 | 62 | 31 | 0 | 61 (2025) | | | | |
| 31. | Barn Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 24 | 12 | 0 | 24 (2025) | | | | |
| 32. | Tawny Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | | | | | |
| 33. | Magpie | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | | | | |
| 34. | Jackdaw | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | | | | |
| 35. | Rook | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 2 | 0 | 4 (2025) | | | | |
| 36. | Carrion Crow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2025) | | | | |
| 37. | Skylark | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 15 | 7.5 | 0 | 15 (2025) | | | | |
| 38. | Blackcap | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2025) | | | | |
| 39. | Regulus sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | | | | |
| 40. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 107 | 3656 | 3763 | 1882 | 0 | 3656 (2025) | | | | |
| 41. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1158 | 5727 | 6885 | 3443 | 0 | 5727 (2025) | | | | |
| 42. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 333 | 355 | 178 | 0 | 333 (2025) | | | | |
| 43. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 11 | 5.5 | 0 | 11 (2025) | | | | |
| 44. | flycatcher sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2025) | | | | |
| 45. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 1080 | 1091 | 546 | 1 | 1080 (2025) | | | | |
| 46. | Black Redstart | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | | | | |
| 47. | Tree Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2025) | | | | |
| 48. | Ortolan Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | | | | |
| 49. | Species unidentified | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 96 | 96 | 48 | 0 | 96 (2025) | | | | |
| 50. | passerine sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | | | | |
| | 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 | 1309 | 11559 | 12868 | 6434 | 2 | | |
| |
Observation hours |
| | | | | | | | 332:35 | 1,965:07 | 2,297:42 | 1,148:51 | | | |