Select until 1 July
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 | 20 | 20 | 10 | 0 | 20 (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 | 0 | 10 | 5 | 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 | 3 | 3 | 1.5 | 0 | 3 (2025) | ||||
| 7. | Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 11 | 5.5 | 0 | 11 (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 | 23 | 23 | 11.5 | 0 | 23 (2025) | ||||
| 10. | Water Rail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 66 | 66 | 33 | 0 | 66 (2025) | ||||
| 11. | Moorhen | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 165 | 165 | 83 | 0 | 165 (2025) | ||||
| 12. | Coot | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 84 | 84 | 42 | 0 | 84 (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 | 8 | 8 | 4 | 0 | 8 (2025) | ||||
| 17. | Little Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 13 | 6.5 | 0 | 13 (2025) | ||||
| 18. | Lapwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | ||||
| 19. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 11 | 5.5 | 0 | 11 (2025) | ||||
| 20. | Green Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2025) | ||||
| 21. | Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2025) | ||||
| 22. | Black-headed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 2 | 0 | 4 (2025) | ||||
| 23. | Grey Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 18 | 19 | 9.5 | 0 | 18 (2025) | ||||
| 24. | Barn Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 14 | 7 | 0 | 14 (2025) | ||||
| 25. | Magpie | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 26. | Jackdaw | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | ||||
| 27. | Carrion Crow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2025) | ||||
| 28. | Blackcap | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2025) | ||||
| 29. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 107 | 554 | 661 | 331 | 0 | 554 (2025) | ||||
| 30. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1158 | 1502 | 2660 | 1330 | 0 | 1502 (2025) | ||||
| 31. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 24 | 46 | 23 | 0 | 24 (2025) | ||||
| 32. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 8 | 4 | 0 | 8 (2025) | ||||
| 33. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 15 | 26 | 13 | 0 | 15 (2025) | ||||
| 34. | Black Redstart | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | ||||
| 35. | Species unidentified | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 84 | 84 | 42 | 0 | 84 (2025) | ||||
| 36. | 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 | 2657 | 3966 | 1983 | 0 | ||||||
| Observation hours | 332:35 | 1,175:42 | 1,508:17 | 754:09 | |||||||||||||||
