Select until 28 November
Totals Delta 3, Dourges (62) 2016 - 2025
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| 1. | Shelduck | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0.3 | 2 | 0 | 2 (2021) | | | | |
| 2. | Garganey | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2020) | | | | |
| 3. | Shoveler | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0.3 | 2 | 0 | 2 (2020) | | | | |
| 4. | Gadwall | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2019) | | | | |
| 5. | Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 3 | 0.4 | 3 | 0 | 2 (2022) | | | | |
| 6. | Teal | 0 | 0 | 0 | 0 | 12 | 9 | 5 | 1 | 11 | 5 | 43 | 5.4 | 42 | 1 | 12 (2020) | | | | |
| 7. | Pochard | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2019) | | | | |
| 8. | Quail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0.3 | 2 | 0 | 2 (2023) | | | | |
| 9. | Cuckoo | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 5 | 0.6 | 4 | 1 | 4 (2023) | | | | |
| 10. | Feral Pigeon | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2021) | | | | |
| 11. | Woodpigeon | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0.3 | 2 | 0 | 1 (2019) | | | | |
| 12. | Collared Dove | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2020) | | | | |
| 13. | Water Rail | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 3 | 0.4 | 3 | 0 | 1 (2018) | | | | |
| 14. | Spotted Crake | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2021) | | | | |
| 15. | Moorhen | 0 | 0 | 1 | 2 | 1 | 2 | 0 | 0 | 3 | 0 | 9 | 1.1 | 9 | 0 | 3 (2024) | | | | |
| 16. | Coot | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2021) | | | | |
| 17. | Little Ringed Plover | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0.3 | 2 | 0 | 2 (2020) | | | | |
| 18. | Lapwing | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2020) | | | | |
| 19. | Jack Snipe | 0 | 0 | 5 | 0 | 30 | 30 | 22 | 0 | 5 | 4 | 96 | 12 | 84 | 12 | 30 (2020) | | | | |
| 20. | Woodcock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 1 | 6 | 0.8 | 5 | 1 | 5 (2024) | | | | |
| 21. | Snipe | 0 | 0 | 1 | 16 | 69 | 150 | 91 | 12 | 30 | 13 | 382 | 48 | 296 | 86 | 150 (2021) | | | | |
| 22. | Common Sandpiper | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 0.3 | 2 | 0 | 1 (2020) | | | | |
| 23. | Green Sandpiper | 0 | 0 | 0 | 5 | 2 | 7 | 0 | 0 | 1 | 0 | 15 | 1.9 | 13 | 2 | 7 (2021) | | | | |
| 24. | Wood Sandpiper | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0.4 | 3 | 0 | 3 (2020) | | | | |
| 25. | Spotted Redshank | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2021) | | | | |
| 26. | Greenshank | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0.3 | 2 | 0 | 2 (2021) | | | | |
| 27. | Black-headed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2022) | | | | |
| 28. | Grey Heron | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0.3 | 2 | 0 | 2 (2021) | | | | |
| 29. | Purple Heron | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2021) | | | | |
| 30. | Sparrowhawk | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 1 | 5 | 0.6 | 5 | 0 | 2 (2022) | | | | |
| 31. | Long-eared Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 0 | 1 (2024) | | | | |
| 32. | Kingfisher | 0 | 0 | 0 | 1 | 2 | 4 | 1 | 3 | 5 | 5 | 21 | 2.6 | 19 | 2 | 5 (2024) | | | | |
| 33. | Lesser Spotted Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2022) | | | | |
| 34. | Jay | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 1 | 0 | 1 (2025) | | | | |
| 35. | Magpie | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 0 | 1 (2024) | | | | |
| 36. | Blue Tit | 0 | 0 | 0 | 0 | 13 | 3 | 78 | 56 | 68 | 74 | 292 | 37 | 194 | 98 | 78 (2022) | | | | |
| 37. | Great Tit | 0 | 0 | 0 | 0 | 6 | 3 | 61 | 20 | 31 | 112 | 233 | 29 | 156 | 77 | 112 (2025) | | | | |
| 38. | Penduline Tit | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2022) | | | | |
| 39. | Sand Martin | 0 | 0 | 0 | 0 | 0 | 10 | 5 | 0 | 0 | 0 | 15 | 1.9 | 13 | 2 | 10 (2021) | | | | |
| 40. | Cetti's Warbler | 0 | 0 | 0 | 0 | 3 | 0 | 8 | 2 | 24 | 20 | 57 | 7.1 | 30 | 27 | 24 (2024) | | | | |
| 41. | Long-tailed Tit | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 15 | 66 | 25 | 130 | 16 | 86 | 44 | 66 (2024) | | | | |
| 42. | Willow Warbler | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 10 | 6 | 8 | 33 | 4.1 | 29 | 4 | 10 (2023) | | | | |
| 43. | Chiffchaff | 0 | 0 | 0 | 0 | 40 | 26 | 119 | 71 | 145 | 139 | 540 | 68 | 461 | 79 | 145 (2024) | | | | |
| 44. | Chiffchaff (Siberian - tristis) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 6 | 0.8 | 6 | 0 | 4 (2025) | | | | |
| 45. | Sedge Warbler | 0 | 0 | 0 | 0 | 0 | 3 | 62 | 37 | 40 | 32 | 174 | 22 | 87 | 87 | 62 (2022) | | | | |
| 46. | Reed Warbler | 0 | 0 | 0 | 1 | 9 | 6 | 137 | 128 | 86 | 89 | 456 | 57 | 246 | 210 | 137 (2022) | | | | |
| 47. | Marsh Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 36 | 41 | 48 | 152 | 19 | 104 | 48 | 48 (2025) | | | | |
| 48. | Melodious Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 2 | 2 | 13 | 1.6 | 12 | 1 | 7 (2023) | | | | |
| 49. | Icterine Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 3 | 0.4 | 2 | 1 | 2 (2024) | | | | |
| 50. | Grasshopper Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 2 | 4 | 10 | 1.3 | 6 | 4 | 4 (2022) | | | | |
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| 51. | Blackcap | 0 | 0 | 0 | 0 | 0 | 1 | 32 | 12 | 17 | 17 | 79 | 9.9 | 60 | 19 | 32 (2022) | | | | |
| 52. | Garden Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 18 | 5 | 8 | 44 | 5.5 | 27 | 17 | 18 (2023) | | | | |
| 53. | Whitethroat | 0 | 0 | 0 | 0 | 0 | 1 | 32 | 25 | 9 | 8 | 75 | 9.4 | 56 | 19 | 32 (2022) | | | | |
| 54. | Firecrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 0.4 | 3 | 0 | 2 (2024) | | | | |
| 55. | Goldcrest | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 2 | 5 | 0.6 | 5 | 0 | 2 (2020) | | | | |
| 56. | Wren | 0 | 0 | 0 | 0 | 6 | 1 | 13 | 4 | 15 | 13 | 52 | 6.5 | 42 | 10 | 15 (2024) | | | | |
| 57. | Nuthatch | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2022) | | | | |
| 58. | Short-toed Tree Creeper | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 0.3 | 2 | 0 | 1 (2022) | | | | |
| 59. | Starling | 0 | 0 | 0 | 0 | 7 | 115 | 6 | 0 | 0 | 0 | 128 | 16 | 128 | 0 | 115 (2021) | | | | |
| 60. | Song Thrush | 0 | 0 | 0 | 0 | 6 | 8 | 9 | 2 | 7 | 6 | 38 | 4.8 | 36 | 2 | 9 (2022) | | | | |
| 61. | Redwing | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 4 | 0.5 | 4 | 0 | 3 (2024) | | | | |
| 62. | Blackbird | 0 | 0 | 0 | 0 | 10 | 3 | 14 | 3 | 31 | 17 | 78 | 9.8 | 61 | 17 | 31 (2024) | | | | |
| 63. | Robin | 0 | 0 | 0 | 0 | 14 | 7 | 18 | 5 | 24 | 17 | 85 | 10.6 | 68 | 17 | 24 (2024) | | | | |
| 64. | Nightingale | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0.3 | 2 | 0 | 1 (2024) | | | | |
| 65. | Bluethroat | 0 | 0 | 0 | 2 | 6 | 17 | 68 | 50 | 33 | 75 | 251 | 31 | 125 | 126 | 75 (2025) | | | | |
| 66. | Stonechat | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0.3 | 2 | 0 | 2 (2021) | | | | |
| 67. | House Sparrow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 1 | 0 | 1 (2025) | | | | |
| 68. | Dunnock | 0 | 0 | 0 | 0 | 4 | 2 | 32 | 19 | 9 | 14 | 80 | 10 | 60 | 20 | 32 (2022) | | | | |
| 69. | Grey Wagtail | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 5 | 0.6 | 4 | 1 | 5 (2020) | | | | |
| 70. | White Wagtail | 0 | 0 | 0 | 0 | 5 | 4 | 5 | 0 | 0 | 0 | 14 | 1.8 | 13 | 1 | 5 (2020) | | | | |
| 71. | Meadow Pipit | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 0 | 0 | 0 | 5 | 0.6 | 5 | 0 | 3 (2020) | | | | |
| 72. | Water Pipit | 0 | 0 | 3 | 0 | 5 | 24 | 11 | 4 | 14 | 1 | 62 | 7.8 | 60 | 2 | 24 (2021) | | | | |
| 73. | Chaffinch | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 3 | 0.4 | 3 | 0 | 2 (2022) | | | | |
| 74. | Greenfinch | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 5 | 6 | 0.8 | 6 | 0 | 5 (2025) | | | | |
| 75. | Lesser Redpoll | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 14 | 17 | 2.1 | 16 | 1 | 14 (2025) | | | | |
| 76. | Goldfinch | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 3 | 0.4 | 3 | 0 | 2 (2022) | | | | |
| 77. | Yellowhammer | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 3 | 0.4 | 3 | 0 | 2 (2021) | | | | |
| 78. | Little Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2022) | | | | |
| 79. | Reed Bunting | 0 | 0 | 0 | 1 | 87 | 44 | 210 | 32 | 125 | 48 | 547 | 68 | 503 | 44 | 210 (2022) | | | | |
| Other species |
| 1. | Nathusius's Pipistrelle | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2021) | | | | |
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| |
Totals |
0 | 0 | 11 | 31 | 359 | 503 | 1134 | 585 | 875 | 836 | 4334 | 542 | 3251 | 1083 | | |
| |
Observation hours |
| | 5:00 | 15:00 | 61:45 | 95:00 | 85:15 | 40:00 | 71:30 | 50:30 | 424:00 | 53:00 | | | | |