Totals Sijbrandaburen 2011 - 2020
| Species | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
1. | Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | 7 | 2.3 | 7 | 0 | 6 (2019) | | | | |
2. | duck sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.3 | 1 | 0 | 1 (2020) | | | | |
3. | Woodpigeon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 1 | 3 | 0 | 2 (2019) | | | | |
4. | Collared Dove | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 14 | 15 | 40 | 13.3 | 39 | 1 | 15 (2020) | | | | |
5. | Common Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0.7 | 2 | 0 | 1 (2018) | | | | |
6. | Sparrowhawk | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2019) | | | | |
7. | Goshawk | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 1 | 2 | 1 | 3 (2018) | | | | |
8. | Common Buzzard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2018) | | | | |
9. | Barn Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 12 | 43 | 14.3 | 37 | 6 | 31 (2019) | | | | |
10. | Long-eared Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 12 | 4 | 12 | 0 | 6 (2019) | | | | |
11. | Great Spotted Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 2 | 8 | 2.7 | 8 | 0 | 4 (2019) | | | | |
12. | Kestrel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2018) | | | | |
13. | Jay | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 0.7 | 2 | 0 | 1 (2018) | | | | |
14. | Magpie | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2018) | | | | |
15. | Jackdaw | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 0 | 18 | 6 | 17 | 1 | 9 (2018) | | | | |
16. | Carrion Crow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 1 | 2 | 1 | 3 (2019) | | | | |
17. | Blue Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 35 | 36 | 26 | 97 | 32.3 | 82 | 15 | 36 (2019) | | | | |
18. | Great Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 119 | 136 | 46 | 301 | 100 | 234 | 67 | 136 (2019) | | | | |
19. | Swallow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 0 | 8 | 2.7 | 8 | 0 | 4 (2018) | | | | |
20. | House Martin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2018) | | | | |
21. | Chiffchaff | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 2 | 6 | 2 | 6 | 0 | 3 (2018) | | | | |
22. | Icterine Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2019) | | | | |
23. | Blackcap | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 3 | 1 | 3 | 0 | 2 (2019) | | | | |
24. | Lesser Whitethroat | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 5 | 1.7 | 4 | 1 | 3 (2020) | | | | |
25. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2019) | | | | |
26. | Wren | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2019) | | | | |
27. | Short-toed Tree Creeper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2019) | | | | |
28. | Starling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 18 | 5 | 26 | 8.7 | 23 | 3 | 18 (2019) | | | | |
29. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 12 | 19 | 6.3 | 15 | 4 | 12 (2020) | | | | |
30. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 3 | 9 | 3 | 5 | 4 | 4 (2019) | | | | |
31. | Redstart | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 0.7 | 2 | 0 | 1 (2018) | | | | |
32. | Wheatear | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2019) | | | | |
33. | Tree Sparrow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 7 | 2 | 12 | 4 | 12 | 0 | 7 (2019) | | | | |
34. | House Sparrow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 59 | 108 | 60 | 227 | 76 | 198 | 29 | 108 (2019) | | | | |
35. | Dunnock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0.7 | 1 | 1 | 1 (2018) | | | | |
36. | White Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 1.3 | 4 | 0 | 4 (2019) | | | | |
37. | Chaffinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 39 | 3 | 53 | 17.7 | 51 | 2 | 39 (2019) | | | | |
38. | Brambling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 1 | 0 | 26 | 8.7 | 26 | 0 | 25 (2018) | | | | |
39. | Greenfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 127 | 145 | 66 | 338 | 113 | 317 | 21 | 145 (2019) | | | | |
40. | Mealy Redpoll | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2018) | | | | |
41. | Siskin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 1 | 3 | 0 | 3 (2018) | | | | |
| Species | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
|
Totals |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 434 | 593 | 267 | 1294 | 431 | 1137 | 157 | | |
|
Observation hours |
| | | | | | | 116:38 | 230:32 | 156:40 | 503:50 | 167:57 | | | | |