Select until 10 February
Totals De Potten Offingawier 2017 - 2026
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| 1. | Water Rail | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0.4 | 4 | 0 | 4 (2020) | | | | |
| 2. | Oystercatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2024) | | | | |
| 3. | Woodcock | 0 | 0 | 4 | 7 | 23 | 6 | 5 | 5 | 3 | 0 | 53 | 5.9 | 52 | 1 | 23 (2021) | | | | |
| 4. | Sparrowhawk | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0.2 | 2 | 0 | 1 (2020) | | | | |
| 5. | Barn Owl | 0 | 0 | 13 | 1 | 0 | 1 | 10 | 1 | 10 | 1 | 37 | 4.1 | 31 | 6 | 13 (2019) | | | | |
| 6. | Long-eared Owl | 0 | 0 | 9 | 1 | 0 | 7 | 27 | 2 | 38 | 3 | 87 | 9.7 | 82 | 5 | 38 (2025) | | | | |
| 7. | Short-eared Owl | 0 | 0 | 3 | 0 | 0 | 0 | 11 | 1 | 11 | 5 | 31 | 3.4 | 31 | 0 | 11 (2023) | | | | |
| 8. | Kingfisher | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 4 | 0.4 | 4 | 0 | 1 (2017) | | | | |
| 9. | Great Spotted Woodpecker | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | | | | |
| 10. | Blue Tit | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | 8 | 0.9 | 8 | 0 | 8 (2021) | | | | |
| 11. | Great Tit | 4 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 13 | 1.4 | 13 | 0 | 9 (2021) | | | | |
| 12. | Long-tailed Tit | 6 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 10 | 1.1 | 10 | 0 | 6 (2017) | | | | |
| 13. | Firecrest | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 6 | 0.7 | 6 | 0 | 5 (2017) | | | | |
| 14. | Goldcrest | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 5 | 0.6 | 5 | 0 | 5 (2021) | | | | |
| 15. | Short-toed Tree Creeper | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 4 | 0.4 | 4 | 0 | 2 (2017) | | | | |
| 16. | Starling | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2020) | | | | |
| 17. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 0 | 1 (2025) | | | | |
| 18. | Blackbird | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 5 | 0.6 | 5 | 0 | 1 (2020) | | | | |
| 19. | Robin | 2 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 1 | 0 | 6 | 0.7 | 6 | 0 | 2 (2017) | | | | |
| 20. | Tree Sparrow | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | | | | |
| 21. | Chaffinch | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | | | | |
| 22. | Bullfinch | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | | | | |
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| |
Totals |
24 | 0 | 29 | 16 | 56 | 15 | 56 | 10 | 67 | 9 | 282 | 31 | 270 | 12 | | |
| |
Observation hours |
6:00 | | 7:15 | 20:30 | 27:44 | 11:30 | 53:31 | 16:00 | 35:54 | 4:00 | 182:24 | 20:16 | | | | |