Select until 17 September
Totals VRS Zwolle (Westerstraat) 2016 - 2025
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |||||
| 1. | Collared Dove | 1 | 1 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 5 | 0.5 | 5 | 0 | 2 (2022) | ||||
| 2. | Great Spotted Woodpecker | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0.2 | 1 | 1 | 1 (2017) | ||||
| 3. | Jay | 0 | 2 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 5 | 0.5 | 4 | 1 | 2 (2017) | ||||
| 4. | Jackdaw | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 0 | 1 (2024) | ||||
| 5. | Coal Tit | 3 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 0.5 | 2 | 3 | 3 (2016) | ||||
| 6. | Blue Tit | 42 | 55 | 42 | 139 | 134 | 158 | 107 | 151 | 125 | 63 | 1016 | 102 | 625 | 391 | 158 (2021) | ||||
| 7. | Great Tit | 24 | 31 | 39 | 132 | 93 | 85 | 85 | 71 | 51 | 39 | 650 | 65 | 420 | 230 | 132 (2019) | ||||
| 8. | Long-tailed Tit | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 6 | 0.6 | 6 | 0 | 2 (2019) | ||||
| 9. | Willow Warbler | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2016) | ||||
| 10. | Chiffchaff | 2 | 2 | 0 | 0 | 1 | 0 | 2 | 2 | 1 | 1 | 11 | 1.1 | 11 | 0 | 2 (2016) | ||||
| 11. | Reed Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2023) | ||||
| 12. | Blackcap | 1 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 7 | 0.7 | 7 | 0 | 2 (2017) | ||||
| 13. | Lesser Whitethroat | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2021) | ||||
| 14. | Wren | 2 | 1 | 2 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 10 | 1 | 8 | 2 | 4 (2022) | ||||
| 15. | Nuthatch | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | ||||
| 16. | Starling | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 6 | 2 | 13 | 1.3 | 13 | 0 | 6 (2024) | ||||
| 17. | Blackbird | 3 | 16 | 10 | 8 | 0 | 2 | 6 | 6 | 5 | 5 | 61 | 6.1 | 50 | 11 | 16 (2017) | ||||
| 18. | Robin | 2 | 16 | 5 | 0 | 4 | 3 | 3 | 7 | 7 | 6 | 53 | 5.3 | 45 | 8 | 16 (2017) | ||||
| 19. | Redstart | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2022) | ||||
| 20. | House Sparrow | 54 | 23 | 21 | 55 | 31 | 60 | 103 | 66 | 64 | 9 | 486 | 49 | 362 | 124 | 103 (2022) | ||||
| 21. | Dunnock | 0 | 0 | 1 | 1 | 0 | 0 | 4 | 1 | 4 | 3 | 14 | 1.4 | 13 | 1 | 4 (2022) | ||||
| 22. | Chaffinch | 0 | 1 | 1 | 1 | 4 | 1 | 4 | 3 | 3 | 1 | 19 | 1.9 | 18 | 1 | 4 (2020) | ||||
| 23. | Siskin | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2016) | ||||
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |||||
| Totals | 137 | 152 | 124 | 340 | 271 | 312 | 324 | 311 | 269 | 130 | 2370 | 237 | 1597 | 773 | ||||||
| Observation hours | 130:00 | 121:30 | 131:30 | 133:15 | 81:45 | 99:35 | 94:32 | 117:22 | 134:41 | 69:51 | 1,114:01 | 111:24 | ||||||||
