Totals Brugmann Ziekenhuis, Brussel (nacht) 2011 - 2020
| Species | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Totals | Average | Present | Year Maximum | |
1. | Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 2 | 1 | 4 (2020) | | | | |
2. | Moorhen | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2020) | | | | |
3. | Coot | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 10 | 5 | 0 | 10 (2020) | | | | |
4. | Little Grebe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 4 | 2 | 0 | 3 (2020) | | | | |
5. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2020) | | | | |
6. | Grey Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2020) | | | | |
7. | Barn Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2020) | | | | |
8. | Rose-ringed Parakeet | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 1 | 1 (2020) | | | | |
9. | Carrion Crow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 2.5 | 1 | 5 (2020) | | | | |
10. | Great Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 1 | 1 (2020) | | | | |
11. | Skylark | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2019) | | | | |
12. | Chiffchaff | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2020) | | | | |
13. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 1 | 2 (2020) | | | | |
14. | Wren | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 1 | 2 (2020) | | | | |
15. | Starling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2019) | | | | |
16. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 174 | 17 | 191 | 96 | 1 | 174 (2019) | | | | |
17. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 84 | 61 | 145 | 73 | 0 | 84 (2019) | | | | |
18. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 4 | 9 | 4.5 | 1 | 5 (2019) | | | | |
19. | Ring Ouzel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2019) | | | | |
20. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 78 | 5 | 83 | 41.5 | 4 | 78 (2019) | | | | |
21. | Tree Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2019) | | | | |
22. | Brambling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2019) | | | | |
23. | Ortolan Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2020) | | | | |
24. | Species unidentified | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 9 | 15 | 7.5 | 0 | 9 (2020) | | | | |
25. | passerine sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 1.5 | 0 | 2 (2020) | | | | |
| Species | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Totals | Average | Present | Year Maximum | |
|
Totals |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 354 | 134 | 488 | 244 | 12 | | |
|
Observation hours |
| | | | | | | | 68:53 | 150:48 | 219:41 | 109:51 | | | |