Totals Sijbrandaburen 2015 - 2024
| Species | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Totals | Average | Newly ringed | Retraps | Year Maximum | |||||
| 1. | Mallard | 0 | 0 | 0 | 1 | 6 | 0 | 0 | 0 | 0 | 0 | 7 | 1 | 7 | 0 | 6 (2019) | ||||
| 2. | duck sp. | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2020) | ||||
| 3. | Stock Dove | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 0 | 1 (2023) | ||||
| 4. | Woodpigeon | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 4 | 0.6 | 4 | 0 | 2 (2019) | ||||
| 5. | Collared Dove | 0 | 0 | 0 | 11 | 14 | 15 | 0 | 0 | 4 | 0 | 44 | 6.3 | 43 | 1 | 15 (2020) | ||||
| 6. | Common Gull | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 4 | 0.6 | 4 | 0 | 2 (2022) | ||||
| 7. | Grey Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2022) | ||||
| 8. | Sparrowhawk | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2019) | ||||
| 9. | Goshawk | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0.4 | 2 | 1 | 3 (2018) | ||||
| 10. | Common Buzzard | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 3 | 0.4 | 3 | 0 | 2 (2022) | ||||
| 11. | Barn Owl | 0 | 0 | 0 | 0 | 31 | 12 | 1 | 0 | 15 | 0 | 59 | 8.4 | 52 | 7 | 31 (2019) | ||||
| 12. | Long-eared Owl | 0 | 0 | 0 | 0 | 6 | 6 | 0 | 0 | 15 | 0 | 27 | 3.9 | 27 | 0 | 15 (2023) | ||||
| 13. | Great Spotted Woodpecker | 0 | 0 | 0 | 2 | 4 | 2 | 0 | 1 | 1 | 0 | 10 | 1.4 | 10 | 0 | 4 (2019) | ||||
| 14. | Kestrel | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 3 | 0.4 | 3 | 0 | 2 (2022) | ||||
| 15. | Jay | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 3 | 0.4 | 3 | 0 | 1 (2018) | ||||
| 16. | Magpie | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | ||||
| 17. | Jackdaw | 0 | 0 | 0 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 18 | 2.6 | 17 | 1 | 9 (2018) | ||||
| 18. | Rook | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2021) | ||||
| 19. | Carrion Crow | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0.4 | 2 | 1 | 3 (2019) | ||||
| 20. | Blue Tit | 0 | 0 | 0 | 35 | 36 | 26 | 3 | 11 | 58 | 4 | 173 | 25 | 140 | 33 | 58 (2023) | ||||
| 21. | Great Tit | 0 | 0 | 0 | 119 | 136 | 46 | 0 | 16 | 102 | 9 | 428 | 61 | 321 | 107 | 136 (2019) | ||||
| 22. | Skylark | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 0.4 | 3 | 0 | 3 (2023) | ||||
| 23. | Swallow | 0 | 0 | 0 | 4 | 4 | 0 | 0 | 0 | 1 | 0 | 9 | 1.3 | 9 | 0 | 4 (2018) | ||||
| 24. | House Martin | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | ||||
| 25. | Chiffchaff | 0 | 0 | 0 | 3 | 1 | 2 | 0 | 0 | 1 | 3 | 10 | 1.4 | 10 | 0 | 3 (2018) | ||||
| 26. | Icterine Warbler | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2019) | ||||
| 27. | Blackcap | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 4 | 0.6 | 4 | 0 | 2 (2019) | ||||
| 28. | Lesser Whitethroat | 0 | 0 | 0 | 1 | 1 | 3 | 0 | 0 | 1 | 0 | 6 | 0.9 | 5 | 1 | 3 (2020) | ||||
| 29. | Goldcrest | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 3 | 0.4 | 2 | 1 | 2 (2023) | ||||
| 30. | Wren | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 5 | 0 | 6 | 0.9 | 6 | 0 | 5 (2023) | ||||
| 31. | Short-toed Tree Creeper | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 4 | 0 | 6 | 0.9 | 6 | 0 | 4 (2023) | ||||
| 32. | Starling | 0 | 0 | 0 | 3 | 18 | 5 | 0 | 12 | 2 | 0 | 40 | 5.7 | 37 | 3 | 18 (2019) | ||||
| 33. | Blackbird | 0 | 0 | 0 | 3 | 4 | 12 | 4 | 4 | 12 | 4 | 43 | 6.1 | 31 | 12 | 12 (2020) | ||||
| 34. | Robin | 0 | 0 | 0 | 2 | 4 | 3 | 1 | 0 | 2 | 1 | 13 | 1.9 | 8 | 5 | 4 (2019) | ||||
| 35. | Redstart | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0.3 | 2 | 0 | 1 (2018) | ||||
| 36. | Wheatear | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2019) | ||||
| 37. | Tree Sparrow | 0 | 0 | 0 | 3 | 7 | 2 | 0 | 0 | 6 | 0 | 18 | 2.6 | 18 | 0 | 7 (2019) | ||||
| 38. | House Sparrow | 0 | 0 | 0 | 59 | 108 | 60 | 1 | 14 | 158 | 7 | 407 | 58 | 318 | 89 | 158 (2023) | ||||
| 39. | Dunnock | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0.3 | 1 | 1 | 1 (2018) | ||||
| 40. | Grey Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 0 | 1 (2023) | ||||
| 41. | White Wagtail | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 1 | 0 | 0 | 5 | 0.7 | 5 | 0 | 4 (2019) | ||||
| 42. | Chaffinch | 0 | 0 | 0 | 11 | 39 | 3 | 0 | 0 | 13 | 2 | 68 | 9.7 | 66 | 2 | 39 (2019) | ||||
| 43. | Brambling | 0 | 0 | 0 | 25 | 1 | 0 | 0 | 0 | 0 | 0 | 26 | 3.7 | 26 | 0 | 25 (2018) | ||||
| 44. | Greenfinch | 0 | 0 | 0 | 127 | 145 | 66 | 6 | 0 | 36 | 18 | 398 | 57 | 373 | 25 | 145 (2019) | ||||
| 45. | Mealy Redpoll | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 6 | 0.9 | 6 | 0 | 5 (2023) | ||||
| 46. | redpoll sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 0 | 1 (2023) | ||||
| 47. | Siskin | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0.4 | 3 | 0 | 3 (2018) | ||||
| Species | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Totals | Average | Newly ringed | Retraps | Year Maximum | |||||
| Totals | 0 | 0 | 0 | 434 | 593 | 267 | 17 | 67 | 452 | 48 | 1878 | 268 | 1588 | 290 | ||||||
| Observation hours | 116:38 | 230:32 | 156:40 | 32:00 | 19:00 | 156:17 | 63:00 | 774:07 | 110:35 | |||||||||||
