Select until 8 December
Totals VRS Groenekan - tuinproject IJsselstein 2016 - 2025
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |||||
| 1. | Mallard | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 | 1 (2017) | ||||
| 2. | Woodpigeon | 0 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0.6 | 3 | 3 | 5 (2017) | ||||
| 3. | Collared Dove | 3 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 7 | 0.7 | 6 | 1 | 3 (2016) | ||||
| 4. | Black-headed Gull | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | ||||
| 5. | Great Spotted Woodpecker | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0.4 | 4 | 0 | 2 (2017) | ||||
| 6. | Jay | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2016) | ||||
| 7. | Magpie | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 0 | 1 (2024) | ||||
| 8. | Jackdaw | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 5 | 0.5 | 5 | 0 | 2 (2021) | ||||
| 9. | Coal Tit | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | ||||
| 10. | Blue Tit | 31 | 43 | 13 | 35 | 38 | 17 | 14 | 26 | 21 | 22 | 260 | 26 | 202 | 58 | 43 (2017) | ||||
| 11. | Great Tit | 11 | 36 | 39 | 40 | 27 | 17 | 19 | 19 | 13 | 12 | 233 | 23 | 190 | 43 | 40 (2019) | ||||
| 12. | Long-tailed Tit | 8 | 3 | 9 | 9 | 5 | 0 | 4 | 7 | 4 | 4 | 53 | 5.3 | 48 | 5 | 9 (2018) | ||||
| 13. | Chiffchaff | 1 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 0 | 2 | 12 | 1.2 | 12 | 0 | 2 (2017) | ||||
| 14. | Blackcap | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2017) | ||||
| 15. | Firecrest | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0.4 | 4 | 0 | 2 (2018) | ||||
| 16. | Goldcrest | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0.3 | 3 | 0 | 1 (2018) | ||||
| 17. | Wren | 4 | 4 | 3 | 1 | 0 | 0 | 1 | 1 | 3 | 0 | 17 | 1.7 | 11 | 6 | 4 (2016) | ||||
| 18. | Short-toed Tree Creeper | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 4 | 0.4 | 4 | 0 | 2 (2017) | ||||
| 19. | Starling | 5 | 5 | 0 | 0 | 0 | 14 | 7 | 16 | 50 | 15 | 112 | 11 | 107 | 5 | 50 (2024) | ||||
| 20. | Blackbird | 6 | 5 | 1 | 0 | 3 | 2 | 2 | 1 | 2 | 1 | 23 | 2.3 | 19 | 4 | 6 (2016) | ||||
| 21. | Robin | 4 | 3 | 4 | 2 | 2 | 5 | 3 | 1 | 3 | 1 | 28 | 2.8 | 19 | 9 | 5 (2021) | ||||
| 22. | Tree Sparrow | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 2 (2016) | ||||
| 23. | House Sparrow | 54 | 11 | 1 | 9 | 15 | 8 | 10 | 7 | 2 | 2 | 119 | 12 | 89 | 30 | 54 (2016) | ||||
| 24. | Dunnock | 3 | 5 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 11 | 1.1 | 9 | 2 | 5 (2017) | ||||
| 25. | Chaffinch | 4 | 2 | 0 | 0 | 1 | 1 | 7 | 0 | 0 | 1 | 16 | 1.6 | 15 | 1 | 7 (2022) | ||||
| 26. | Brambling | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | ||||
| 27. | Greenfinch | 5 | 11 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 1.9 | 15 | 4 | 11 (2017) | ||||
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |||||
| Totals | 144 | 144 | 77 | 105 | 94 | 70 | 68 | 79 | 105 | 60 | 946 | 95 | 774 | 172 | ||||||
| Observation hours | 271:20 | 244:55 | 116:15 | 143:00 | 159:15 | 137:00 | 79:00 | 93:15 | 135:54 | 66:35 | 1,446:29 | 144:39 | ||||||||
