Totals VRS Groenekan 2015 - 2024
| Species | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Totals | Average | Newly ringed | Retraps | Year Maximum | |||||
| 1. | Egyptian Goose | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2020) | ||||
| 2. | Mallard | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 1.1 | 8 | 3 | 11 (2015) | ||||
| 3. | Stock Dove | 7 | 2 | 3 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 15 | 1.5 | 15 | 0 | 7 (2015) | ||||
| 4. | Woodpigeon | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | ||||
| 5. | Collared Dove | 5 | 1 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 10 | 1 | 10 | 0 | 5 (2015) | ||||
| 6. | Oystercatcher | 2 | 3 | 0 | 4 | 0 | 0 | 0 | 2 | 0 | 0 | 11 | 1.1 | 10 | 1 | 4 (2018) | ||||
| 7. | Lapwing | 25 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 2.6 | 26 | 0 | 25 (2015) | ||||
| 8. | Little Ringed Plover | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0.4 | 4 | 0 | 2 (2015) | ||||
| 9. | Redshank | 9 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 1.3 | 13 | 0 | 9 (2015) | ||||
| 10. | Black-headed Gull | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2015) | ||||
| 11. | Lesser Black-backed Gull | 0 | 0 | 0 | 3 | 0 | 0 | 21 | 6 | 0 | 0 | 30 | 3 | 30 | 0 | 21 (2021) | ||||
| 12. | Common Tern | 0 | 0 | 100 | 48 | 0 | 0 | 0 | 0 | 0 | 0 | 148 | 15 | 148 | 0 | 100 (2017) | ||||
| 13. | Barn Owl | 7 | 28 | 27 | 3 | 36 | 10 | 3 | 12 | 5 | 0 | 131 | 13 | 130 | 1 | 36 (2019) | ||||
| 14. | Little Owl | 11 | 11 | 0 | 12 | 10 | 0 | 3 | 10 | 0 | 0 | 57 | 5.7 | 56 | 1 | 12 (2018) | ||||
| 15. | Tawny Owl | 17 | 10 | 5 | 0 | 8 | 0 | 2 | 0 | 0 | 0 | 42 | 4.2 | 41 | 1 | 17 (2015) | ||||
| 16. | Great Spotted Woodpecker | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 6 | 0.6 | 5 | 1 | 3 (2022) | ||||
| 17. | Kestrel | 41 | 20 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 68 | 6.8 | 67 | 1 | 41 (2015) | ||||
| 18. | Peregrine | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 | 1 (2018) | ||||
| 19. | Magpie | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 3 | 0.3 | 2 | 1 | 1 (2020) | ||||
| 20. | Jackdaw | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2015) | ||||
| 21. | Marsh Tit | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 3 | 0.3 | 3 | 0 | 2 (2022) | ||||
| 22. | Blue Tit | 72 | 42 | 65 | 53 | 24 | 31 | 6 | 25 | 11 | 5 | 334 | 33 | 311 | 23 | 72 (2015) | ||||
| 23. | Great Tit | 110 | 66 | 130 | 65 | 32 | 62 | 43 | 108 | 11 | 13 | 640 | 64 | 547 | 93 | 130 (2017) | ||||
| 24. | Swallow | 28 | 16 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 56 | 5.6 | 43 | 13 | 28 (2015) | ||||
| 25. | Long-tailed Tit | 3 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 10 | 1 | 8 | 2 | 7 (2019) | ||||
| 26. | Chiffchaff | 4 | 7 | 0 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 17 | 1.7 | 12 | 5 | 7 (2016) | ||||
| 27. | Blackcap | 7 | 1 | 0 | 0 | 0 | 3 | 8 | 3 | 0 | 0 | 22 | 2.2 | 21 | 1 | 8 (2021) | ||||
| 28. | Garden Warbler | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2018) | ||||
| 29. | Firecrest | 1 | 1 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 6 | 0.6 | 6 | 0 | 3 (2020) | ||||
| 30. | Goldcrest | 74 | 33 | 0 | 1 | 0 | 15 | 0 | 1 | 0 | 0 | 124 | 12 | 122 | 2 | 74 (2015) | ||||
| 31. | Wren | 2 | 3 | 0 | 0 | 2 | 2 | 0 | 1 | 0 | 0 | 10 | 1 | 10 | 0 | 3 (2016) | ||||
| 32. | Nuthatch | 0 | 4 | 7 | 10 | 0 | 9 | 8 | 8 | 2 | 1 | 49 | 4.9 | 37 | 12 | 10 (2018) | ||||
| 33. | Short-toed Tree Creeper | 4 | 0 | 0 | 0 | 2 | 4 | 0 | 2 | 0 | 0 | 12 | 1.2 | 12 | 0 | 4 (2015) | ||||
| 34. | Starling | 2 | 12 | 6 | 2 | 5 | 0 | 0 | 0 | 1 | 0 | 28 | 2.8 | 28 | 0 | 12 (2016) | ||||
| 35. | Song Thrush | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0.6 | 5 | 1 | 4 (2015) | ||||
| 36. | Blackbird | 21 | 9 | 2 | 3 | 1 | 1 | 0 | 1 | 0 | 0 | 38 | 3.8 | 33 | 5 | 21 (2015) | ||||
| 37. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 4 | 0.4 | 4 | 0 | 4 (2021) | ||||
| 38. | Robin | 18 | 16 | 2 | 0 | 3 | 10 | 1 | 6 | 0 | 0 | 56 | 5.6 | 51 | 5 | 18 (2015) | ||||
| 39. | Pied Flycatcher | 0 | 7 | 3 | 0 | 0 | 0 | 12 | 7 | 0 | 0 | 29 | 2.9 | 29 | 0 | 12 (2021) | ||||
| 40. | House Sparrow | 11 | 9 | 9 | 0 | 0 | 3 | 7 | 1 | 0 | 0 | 40 | 4 | 39 | 1 | 11 (2015) | ||||
| 41. | Dunnock | 4 | 3 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 9 | 0.9 | 8 | 1 | 4 (2015) | ||||
| 42. | Chaffinch | 3 | 2 | 0 | 0 | 0 | 3 | 5 | 3 | 0 | 0 | 16 | 1.6 | 15 | 1 | 5 (2021) | ||||
| 43. | Brambling | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2015) | ||||
| 44. | Greenfinch | 2 | 2 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0.7 | 7 | 0 | 3 (2018) | ||||
| 45. | Goldfinch | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 2 (2018) | ||||
| Species | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Totals | Average | Newly ringed | Retraps | Year Maximum | |||||
| Totals | 510 | 313 | 381 | 218 | 132 | 161 | 129 | 209 | 30 | 19 | 2102 | 210 | 1926 | 176 | ||||||
| Observation hours | 98:10 | 44:05 | 83:20 | 53:45 | 40:50 | 41:10 | 33:25 | 10:05 | 3:50 | 408:40 | 40:52 | |||||||||
