Select until 21 November
Totals Brugmann Ziekenhuis, Brussel (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 | 2 | 1 | 0 | 0 | 3 | 6 | 0.9 | 0 | 3 (2025) | | | | |
| 2. | Gadwall | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 0 | 1 (2025) | | | | |
| 3. | Mallard | 0 | 0 | 0 | 0 | 4 | 1 | 0 | 0 | 0 | 12 | 17 | 2.4 | 1 | 12 (2025) | | | | |
| 4. | Teal | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 9 | 1.3 | 0 | 8 (2025) | | | | |
| 5. | Long-tailed Duck | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 0 | 1 (2025) | | | | |
| 6. | Quail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 8 | 1.1 | 0 | 8 (2025) | | | | |
| 7. | Water Rail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0.3 | 0 | 1 (2024) | | | | |
| 8. | Moorhen | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 3 | 65 | 71 | 10.1 | 0 | 65 (2025) | | | | |
| 9. | Coot | 0 | 0 | 0 | 0 | 10 | 10 | 0 | 0 | 1 | 27 | 48 | 6.9 | 0 | 27 (2025) | | | | |
| 10. | Little Grebe | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 8 | 12 | 1.7 | 0 | 8 (2025) | | | | |
| 11. | Oystercatcher | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 7 | 9 | 1.3 | 0 | 7 (2025) | | | | |
| 12. | Avocet | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0.3 | 0 | 1 (2024) | | | | |
| 13. | Grey Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 0 | 1 (2024) | | | | |
| 14. | Golden Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 7 | 1 | 0 | 5 (2025) | | | | |
| 15. | Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 0.4 | 0 | 2 (2024) | | | | |
| 16. | Little Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0.4 | 0 | 3 (2025) | | | | |
| 17. | Whimbrel | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 4 | 7 | 1 | 0 | 4 (2025) | | | | |
| 18. | Curlew | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 9 | 1.3 | 0 | 8 (2025) | | | | |
| 19. | Snipe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 4 | 0.6 | 0 | 3 (2024) | | | | |
| 20. | Common Sandpiper | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 0 | 13 | 15 | 33 | 4.7 | 0 | 15 (2025) | | | | |
| 21. | Green Sandpiper | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | 1 | 5 | 0.7 | 0 | 2 (2022) | | | | |
| 22. | Wood Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 0 | 1 (2025) | | | | |
| 23. | Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 0.4 | 0 | 3 (2024) | | | | |
| 24. | Spotted Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0.4 | 0 | 3 (2025) | | | | |
| 25. | Greenshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0.4 | 0 | 3 (2025) | | | | |
| 26. | Dunlin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0.4 | 0 | 3 (2025) | | | | |
| 27. | Black-headed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | | | | |
| 28. | Yellow-legged Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 0 | 1 (2025) | | | | |
| 29. | Little Bittern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | | | | |
| 30. | Night Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 0 | 1 (2025) | | | | |
| 31. | Grey Heron | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 1 | 8 | 58 | 72 | 10.3 | 0 | 58 (2025) | | | | |
| 32. | Purple Heron | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2021) | | | | |
| 33. | Common Buzzard | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2021) | | | | |
| 34. | Barn Owl | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2020) | | | | |
| 35. | Little Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 0 | 1 (2023) | | | | |
| 36. | Tawny Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 0 | 1 (2025) | | | | |
| 37. | Rose-ringed Parakeet | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 1 (2020) | | | | |
| 38. | Golden Oriole | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 0 | 1 (2025) | | | | |
| 39. | Magpie | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0.4 | 0 | 3 (2025) | | | | |
| 40. | Jackdaw | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 32 | 4.6 | 0 | 32 (2025) | | | | |
| 41. | Carrion Crow | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 1 | 28 | 34 | 4.9 | 2 | 28 (2025) | | | | |
| 42. | Great Tit | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 1 (2020) | | | | |
| 43. | Wood Lark | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2021) | | | | |
| 44. | Skylark | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 14 | 16 | 2.3 | 0 | 14 (2025) | | | | |
| 45. | Chiffchaff | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 0.3 | 0 | 1 (2020) | | | | |
| 46. | Firecrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 0 | 1 (2025) | | | | |
| 47. | Goldcrest | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0.3 | 1 | 2 (2020) | | | | |
| 48. | Wren | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0.3 | 1 | 2 (2020) | | | | |
| 49. | Starling | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0.3 | 0 | 1 (2019) | | | | |
| 50. | Song Thrush | 0 | 0 | 0 | 174 | 17 | 15 | 0 | 0 | 14 | 429 | 649 | 93 | 53 | 429 (2025) | | | | |
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |
| 51. | Redwing | 0 | 0 | 0 | 84 | 61 | 22 | 37 | 0 | 2 | 854 | 1060 | 151 | 0 | 854 (2025) | | | | |
| 52. | Blackbird | 0 | 0 | 0 | 5 | 4 | 1 | 0 | 0 | 1 | 55 | 66 | 9.4 | 1 | 55 (2025) | | | | |
| 53. | Fieldfare | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 0 | 1 (2024) | | | | |
| 54. | Ring Ouzel | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2019) | | | | |
| 55. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 4 | 0.6 | 0 | 2 (2024) | | | | |
| 56. | Robin | 0 | 0 | 0 | 78 | 5 | 1 | 0 | 1 | 3 | 50 | 138 | 20 | 5 | 78 (2019) | | | | |
| 57. | Pied Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 0 | 1 (2025) | | | | |
| 58. | Black Redstart | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2021) | | | | |
| 59. | Blue-headed Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 0 | 1 (2023) | | | | |
| 60. | Tree Pipit | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 12 | 5 | 18 | 2.6 | 0 | 12 (2024) | | | | |
| 61. | Brambling | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 0.6 | 0 | 3 (2025) | | | | |
| 62. | Ortolan Bunting | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0.3 | 0 | 1 (2020) | | | | |
| 63. | Species unidentified | 0 | 0 | 0 | 6 | 9 | 4 | 3 | 3 | 4 | 0 | 29 | 4.1 | 0 | 9 (2020) | | | | |
| 64. | passerine sp. | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 0.4 | 0 | 2 (2020) | | | | |
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |
| |
Totals |
0 | 0 | 0 | 354 | 134 | 71 | 48 | 8 | 83 | 1728 | 2426 | 347 | 66 | | |
| |
Observation hours |
| | | 68:53 | 150:48 | 67:22 | 12:00 | 20:31 | 69:32 | 1,075:27 | 1,464:33 | 209:13 | | | |