Select until 19 December
Totals Essenburgpark, Rotterdam 2016 - 2025
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| 1. | Stock Dove | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.2 | 1 | 0 | 1 (2023) | | | | |
| 2. | Woodpigeon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.2 | 1 | 0 | 1 (2023) | | | | |
| 3. | Kingfisher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0.6 | 2 | 1 | 3 (2025) | | | | |
| 4. | Jay | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.2 | 1 | 0 | 1 (2020) | | | | |
| 5. | Blue Tit | 0 | 0 | 0 | 0 | 11 | 4 | 0 | 45 | 41 | 85 | 186 | 37 | 162 | 24 | 85 (2025) | | | | |
| 6. | Great Tit | 0 | 0 | 0 | 0 | 8 | 5 | 0 | 49 | 46 | 46 | 154 | 31 | 126 | 28 | 49 (2023) | | | | |
| 7. | Cetti's Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 0.8 | 4 | 0 | 4 (2025) | | | | |
| 8. | Long-tailed Tit | 0 | 0 | 0 | 0 | 8 | 1 | 0 | 11 | 12 | 11 | 43 | 8.6 | 38 | 5 | 12 (2024) | | | | |
| 9. | Willow Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 3 | 0.6 | 3 | 0 | 2 (2025) | | | | |
| 10. | Chiffchaff | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 45 | 27 | 58 | 133 | 27 | 116 | 17 | 58 (2025) | | | | |
| 11. | Reed Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 1 | 6 | 15 | 3 | 12 | 3 | 8 (2023) | | | | |
| 12. | Marsh Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.2 | 1 | 0 | 1 (2024) | | | | |
| 13. | Blackcap | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 26 | 22 | 35 | 87 | 17.4 | 76 | 11 | 35 (2025) | | | | |
| 14. | Garden Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.2 | 1 | 0 | 1 (2025) | | | | |
| 15. | Lesser Whitethroat | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 3 | 0.6 | 3 | 0 | 2 (2023) | | | | |
| 16. | Firecrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 16 | 17 | 37 | 7.4 | 28 | 9 | 17 (2025) | | | | |
| 17. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 2 | 6 | 18 | 3.6 | 18 | 0 | 10 (2023) | | | | |
| 18. | Wren | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 30 | 12 | 21 | 67 | 13.4 | 50 | 17 | 30 (2023) | | | | |
| 19. | Short-toed Tree Creeper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 2 | 5 | 1 | 4 | 1 | 2 (2023) | | | | |
| 20. | Song Thrush | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 10 | 5 | 10 | 30 | 6 | 28 | 2 | 10 (2023) | | | | |
| 21. | Redwing | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 0 | 4 | 0.8 | 4 | 0 | 2 (2023) | | | | |
| 22. | Blackbird | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 18 | 7 | 12 | 43 | 8.6 | 35 | 8 | 18 (2023) | | | | |
| 23. | Ring Ouzel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.2 | 1 | 0 | 1 (2024) | | | | |
| 24. | Robin | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 22 | 17 | 19 | 67 | 13.4 | 60 | 7 | 22 (2023) | | | | |
| 25. | Dunnock | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 23 | 5 | 18 | 50 | 10 | 39 | 11 | 23 (2023) | | | | |
| 26. | Chaffinch | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 4 | 1 | 9 | 1.8 | 9 | 0 | 4 (2024) | | | | |
| 27. | Greenfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 6 | 1.2 | 5 | 1 | 6 (2023) | | | | |
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| |
Totals |
0 | 0 | 0 | 0 | 56 | 19 | 0 | 319 | 222 | 357 | 973 | 195 | 828 | 145 | | |
| |
Observation hours |
| | | | 13:00 | 5:00 | | 61:05 | 58:30 | 69:07 | 206:42 | 41:20 | | | | |