Totals VRS Demervallei Bilzen 2015 - 2024
| Species | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
1. | Woodpigeon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 1 | 0 | 1 (2023) | | | | |
2. | Lesser Spotted Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.5 | 1 | 0 | 1 (2022) | | | | |
3. | Great Spotted Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 4 | 2 | 3 | 1 | 4 (2022) | | | | |
4. | Jay | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 1 | 2 | 0 | 2 (2022) | | | | |
5. | Marsh Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 5 | 2.5 | 1 | 4 | 3 (2023) | | | | |
6. | Blue Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 143 | 140 | 0 | 283 | 142 | 134 | 149 | 143 (2022) | | | | |
7. | Great Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 59 | 95 | 0 | 154 | 77 | 59 | 95 | 95 (2023) | | | | |
8. | Long-tailed Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 15 | 0 | 23 | 11.5 | 9 | 14 | 15 (2023) | | | | |
9. | Firecrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 1 | 2 | 0 | 2 (2022) | | | | |
10. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 1 | 2 | 0 | 2 (2022) | | | | |
11. | Nuthatch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 1 | 0 | 2 | 2 (2022) | | | | |
12. | Short-toed Tree Creeper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 1 | 1 | 1 | 1 (2022) | | | | |
13. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 5 | 2.5 | 2 | 3 | 3 (2022) | | | | |
14. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 29 | 0 | 52 | 26 | 6 | 46 | 29 (2023) | | | | |
15. | House Sparrow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 56 | 94 | 0 | 150 | 75 | 71 | 79 | 94 (2023) | | | | |
16. | Dunnock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 11 | 0 | 22 | 11 | 2 | 20 | 11 (2022) | | | | |
17. | Chaffinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 86 | 68 | 0 | 154 | 77 | 114 | 40 | 86 (2022) | | | | |
18. | Brambling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 2 | 0 | 17 | 8.5 | 15 | 2 | 15 (2022) | | | | |
19. | Bullfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 1.5 | 1 | 2 | 3 (2022) | | | | |
20. | Greenfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 59 | 50 | 0 | 109 | 55 | 90 | 19 | 59 (2022) | | | | |
21. | Goldfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 1.5 | 3 | 0 | 3 (2023) | | | | |
22. | Siskin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 42 | 26 | 0 | 68 | 34 | 67 | 1 | 42 (2022) | | | | |
| Species | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
|
Totals |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 524 | 540 | 0 | 1064 | 532 | 586 | 478 | | |
|
Observation hours |
| | | | | | | 128:15 | 51:00 | | 179:15 | 89:38 | | | | |