Select until 14 December
Totals Harsta (Dearsum) 2016 - 2025
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| 1. | Kingfisher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2023) | | | | |
| 2. | Great Spotted Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 1 | 5 | 12 | 3 | 8 | 4 | 6 (2022) | | | | |
| 3. | Kestrel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2024) | | | | |
| 4. | Magpie | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 0.5 | 2 | 0 | 1 (2022) | | | | |
| 5. | Blue Tit | 0 | 0 | 0 | 0 | 0 | 0 | 45 | 42 | 50 | 126 | 263 | 66 | 203 | 60 | 126 (2025) | | | | |
| 6. | Great Tit | 0 | 0 | 0 | 0 | 0 | 0 | 99 | 57 | 71 | 98 | 325 | 81 | 167 | 158 | 99 (2022) | | | | |
| 7. | Swallow | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 4 | 13 | 3.3 | 13 | 0 | 9 (2022) | | | | |
| 8. | Chiffchaff | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 39 | 12 | 6 | 74 | 18.5 | 61 | 13 | 39 (2023) | | | | |
| 9. | Reed Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2022) | | | | |
| 10. | Icterine Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 3 | 3 | 1 | 19 | 4.8 | 17 | 2 | 12 (2022) | | | | |
| 11. | Blackcap | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 16 | 5 | 4 | 32 | 8 | 30 | 2 | 16 (2023) | | | | |
| 12. | Garden Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0.5 | 2 | 0 | 2 (2023) | | | | |
| 13. | Lesser Whitethroat | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 0 | 5 | 1.3 | 4 | 1 | 3 (2022) | | | | |
| 14. | Whitethroat | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2023) | | | | |
| 15. | Firecrest | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 3 | 0.8 | 3 | 0 | 2 (2025) | | | | |
| 16. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 11 | 14 | 3.5 | 14 | 0 | 11 (2025) | | | | |
| 17. | Wren | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 5 | 7 | 5 | 33 | 8.3 | 17 | 16 | 16 (2022) | | | | |
| 18. | Short-toed Tree Creeper | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 3 | 1 | 13 | 3.3 | 10 | 3 | 7 (2023) | | | | |
| 19. | Starling | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 14 | 0 | 5 | 51 | 12.8 | 50 | 1 | 32 (2022) | | | | |
| 20. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 6 | 1 | 2 | 12 | 3 | 12 | 0 | 6 (2023) | | | | |
| 21. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 3 | 1 | 6 | 15 | 3.8 | 15 | 0 | 6 (2025) | | | | |
| 22. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 46 | 30 | 29 | 19 | 124 | 31 | 88 | 36 | 46 (2022) | | | | |
| 23. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2023) | | | | |
| 24. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 18 | 13 | 8 | 62 | 15.5 | 39 | 23 | 23 (2022) | | | | |
| 25. | Redstart | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2023) | | | | |
| 26. | Tree Sparrow | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 11 | 7 | 20 | 55 | 13.8 | 43 | 12 | 20 (2025) | | | | |
| 27. | House Sparrow | 0 | 0 | 0 | 0 | 0 | 0 | 171 | 65 | 30 | 38 | 304 | 76 | 226 | 78 | 171 (2022) | | | | |
| 28. | Dunnock | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 2 | 0 | 0 | 6 | 1.5 | 5 | 1 | 4 (2022) | | | | |
| 29. | Grey Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.3 | 1 | 0 | 1 (2025) | | | | |
| 30. | White Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 6 | 1.5 | 6 | 0 | 3 (2022) | | | | |
| 31. | Chaffinch | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 11 | 18 | 15 | 63 | 15.8 | 59 | 4 | 19 (2022) | | | | |
| 32. | Greenfinch | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 2 | 6 | 1 | 15 | 3.8 | 14 | 1 | 6 (2022) | | | | |
| 33. | Lesser Redpoll | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2023) | | | | |
| 34. | Goldfinch | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 4 | 0 | 9 | 2.3 | 9 | 0 | 4 (2024) | | | | |
| 35. | Siskin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 11 | 2.8 | 11 | 0 | 11 (2025) | | | | |
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| |
Totals |
0 | 0 | 0 | 0 | 0 | 0 | 551 | 348 | 262 | 390 | 1551 | 388 | 1136 | 415 | | |
| |
Observation hours |
| | | | | | 190:50 | 107:50 | 107:30 | 135:20 | 541:30 | 135:23 | | | | |