Select until 7 December
Totals Landgoed Oranjestein (Heerenveen) 2016 - 2025
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |||||
| 1. | Feral Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0.7 | 2 | 0 | 2 (2025) | ||||
| 2. | Gadwall | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 3 | 1 | 3 | 0 | 2 (2024) | ||||
| 3. | Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0.7 | 2 | 0 | 2 (2025) | ||||
| 4. | Woodcock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 5 | 1.7 | 5 | 0 | 4 (2025) | ||||
| 5. | Sparrowhawk | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0.7 | 2 | 0 | 1 (2024) | ||||
| 6. | Barn Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1 | 0 | 3 | 3 (2025) | ||||
| 7. | Kingfisher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 1 | 0 | 1 (2023) | ||||
| 8. | Middle Spotted Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0.7 | 2 | 0 | 2 (2023) | ||||
| 9. | Great Spotted Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 7 | 18 | 29 | 9.7 | 15 | 14 | 18 (2025) | ||||
| 10. | Black Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 0.7 | 2 | 0 | 1 (2023) | ||||
| 11. | Green Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 6 | 9 | 3 | 9 | 0 | 6 (2025) | ||||
| 12. | Jay | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.3 | 1 | 0 | 1 (2025) | ||||
| 13. | Coal Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 4 | 17 | 42 | 14 | 42 | 0 | 21 (2023) | ||||
| 14. | Crested Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 3 | 1 | 3 | 0 | 2 (2024) | ||||
| 15. | Marsh Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 9 | 4 | 16 | 5.3 | 12 | 4 | 9 (2024) | ||||
| 16. | Willow Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 3 | 1 | 3 | 0 | 2 (2023) | ||||
| 17. | Blue Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 211 | 257 | 362 | 830 | 277 | 667 | 163 | 362 (2025) | ||||
| 18. | Great Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 511 | 487 | 936 | 1934 | 645 | 1403 | 531 | 936 (2025) | ||||
| 19. | Long-tailed Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 15 | 5 | 27 | 9 | 21 | 6 | 15 (2024) | ||||
| 20. | Chiffchaff | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 1.7 | 5 | 0 | 5 (2025) | ||||
| 21. | Blackcap | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 26 | 27 | 9 | 27 | 0 | 26 (2025) | ||||
| 22. | Firecrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 7 | 12 | 34 | 11.3 | 28 | 6 | 15 (2023) | ||||
| 23. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 11 | 24 | 46 | 15.3 | 41 | 5 | 24 (2025) | ||||
| 24. | Wren | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 8 | 9 | 3 | 9 | 0 | 8 (2025) | ||||
| 25. | Nuthatch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 17 | 27 | 53 | 17.7 | 30 | 23 | 27 (2025) | ||||
| 26. | Short-toed Tree Creeper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 9 | 8 | 27 | 9 | 22 | 5 | 10 (2023) | ||||
| 27. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 5 | 1.7 | 5 | 0 | 4 (2025) | ||||
| 28. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 2 | 3 | 9 | 3 | 9 | 0 | 4 (2023) | ||||
| 29. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 11 | 23 | 46 | 15.3 | 41 | 5 | 23 (2025) | ||||
| 30. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 5 | 28 | 42 | 14 | 36 | 6 | 28 (2025) | ||||
| 31. | Chaffinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 16 | 31 | 63 | 21 | 61 | 2 | 31 (2025) | ||||
| 32. | Brambling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 4 | 1.3 | 4 | 0 | 2 (2023) | ||||
| 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 | 0 | 856 | 867 | 1563 | 3286 | 1095 | 2513 | 773 | ||||||
| Observation hours | 32:15 | 44:45 | 59:05 | 136:05 | 45:22 | |||||||||||||||
