Totals Harley, Rotherham (nocturnal flight calls) 2015 - 2024
| | Species | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Totals | Average | Present | Year
Maximum | |
| 1. | Canada Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | | | | |
| 2. | Whooper Swan | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 2 (2018) | | | | |
| 3. | Teal | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.5 | 0 | 1 (2019) | | | | |
| 4. | Moorhen | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 1 (2018) | | | | |
| 5. | Coot | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 2 (2018) | | | | |
| 6. | Lapwing | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.5 | 0 | 1 (2019) | | | | |
| 7. | Golden Plover | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 2 (2018) | | | | |
| 8. | Barn Owl | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.5 | 1 | 1 (2018) | | | | |
| 9. | Little Owl | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.5 | 1 | 1 (2018) | | | | |
| 10. | Skylark | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.5 | 0 | 1 (2018) | | | | |
| 11. | Song Thrush | 0 | 0 | 0 | 105 | 0 | 0 | 0 | 0 | 0 | 0 | 105 | 53 | 0 | 105 (2018) | | | | |
| 12. | Redwing | 0 | 0 | 0 | 883 | 3 | 0 | 0 | 0 | 0 | 0 | 886 | 443 | 0 | 883 (2018) | | | | |
| 13. | Blackbird | 0 | 0 | 0 | 59 | 1 | 0 | 0 | 0 | 0 | 0 | 60 | 30 | 0 | 59 (2018) | | | | |
| | Species | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Totals | Average | Present | Year
Maximum | |
| |
Totals |
0 | 0 | 0 | 1057 | 7 | 0 | 0 | 0 | 0 | 0 | 1064 | 532 | 2 | | |
| |
Observation hours |
| | | 293:55 | 21:20 | | | | | | 315:15 | 157:38 | | | |
