Select until 17 February
Totals Zernike Ecology Project, Groningen 2017 - 2026
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Newly
ringed | Retraps | Year
Maximum | |
| 1. | Woodpigeon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2025) | | | | |
| 2. | Common Buzzard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2025) | | | | |
| 3. | Kingfisher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 15 | 0 | 16 | 5.3 | 9 | 7 | 15 (2025) | | | | |
| 4. | Great Spotted Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 8 | 2.7 | 6 | 2 | 8 (2025) | | | | |
| 5. | Jay | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 0 | 6 | 2 | 4 | 2 | 4 (2025) | | | | |
| 6. | Blue Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 72 | 9 | 91 | 30.3 | 61 | 30 | 72 (2025) | | | | |
| 7. | Great Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 67 | 7 | 84 | 28 | 45 | 39 | 67 (2025) | | | | |
| 8. | Long-tailed Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 20 | 6.7 | 20 | 0 | 20 (2025) | | | | |
| 9. | Chiffchaff | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.7 | 2 | 0 | 2 (2025) | | | | |
| 10. | Blackcap | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 11 | 3.7 | 11 | 0 | 11 (2025) | | | | |
| 11. | Firecrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 4 | 1.3 | 4 | 0 | 3 (2025) | | | | |
| 12. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 2 | 9 | 3 | 8 | 1 | 7 (2025) | | | | |
| 13. | Wren | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 1 | 15 | 5 | 11 | 4 | 14 (2025) | | | | |
| 14. | Short-toed Tree Creeper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2025) | | | | |
| 15. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 10 | 3.3 | 8 | 2 | 10 (2025) | | | | |
| 16. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2025) | | | | |
| 17. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 28 | 2 | 37 | 12.3 | 28 | 9 | 28 (2025) | | | | |
| 18. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 29 | 0 | 32 | 10.7 | 19 | 13 | 29 (2025) | | | | |
| 19. | Redstart | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2025) | | | | |
| 20. | Dunnock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 1 | 0 | 1 (2025) | | | | |
| 21. | Chaffinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 2 | 9 | 3 | 9 | 0 | 6 (2025) | | | | |
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Newly
ringed | Retraps | Year
Maximum | |
| |
Totals |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 35 | 302 | 23 | 360 | 120 | 251 | 109 | | |
| |
Observation hours |
| | | | | | | 4:00 | 54:10 | 7:45 | 65:55 | 21:58 | | | | |
