Select until 27 February
Totals De Chevron 2017 - 2026
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| 1. | Woodpigeon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 0 | 1 | 1 (2024) | | | | |
| 2. | Sparrowhawk | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0.3 | 3 | 0 | 1 (2017) | | | | |
| 3. | Wryneck | 6 | 2 | 5 | 4 | 3 | 0 | 2 | 2 | 0 | 0 | 24 | 2.4 | 24 | 0 | 6 (2017) | | | | |
| 4. | Middle Spotted Woodpecker | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 0.7 | 6 | 1 | 2 (2017) | | | | |
| 5. | Great Spotted Woodpecker | 6 | 1 | 5 | 5 | 14 | 5 | 2 | 7 | 0 | 0 | 45 | 4.5 | 26 | 19 | 14 (2021) | | | | |
| 6. | Green Woodpecker | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2021) | | | | |
| 7. | Kestrel | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2021) | | | | |
| 8. | Red-backed Shrike | 2 | 0 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 6 | 0.6 | 6 | 0 | 2 (2017) | | | | |
| 9. | Jay | 0 | 3 | 8 | 0 | 3 | 0 | 2 | 0 | 0 | 1 | 17 | 1.7 | 13 | 4 | 8 (2019) | | | | |
| 10. | Coal Tit | 50 | 30 | 4 | 10 | 75 | 243 | 99 | 138 | 84 | 2 | 735 | 74 | 632 | 103 | 243 (2022) | | | | |
| 11. | Crested Tit | 8 | 0 | 1 | 2 | 1 | 2 | 4 | 1 | 2 | 1 | 22 | 2.2 | 18 | 4 | 8 (2017) | | | | |
| 12. | Marsh Tit | 12 | 1 | 17 | 12 | 17 | 18 | 16 | 8 | 15 | 1 | 117 | 12 | 69 | 48 | 18 (2022) | | | | |
| 13. | Willow Tit | 11 | 2 | 7 | 7 | 3 | 2 | 6 | 0 | 2 | 0 | 40 | 4 | 28 | 12 | 11 (2017) | | | | |
| 14. | Blue Tit | 290 | 258 | 325 | 399 | 719 | 727 | 708 | 669 | 791 | 24 | 4910 | 491 | 3696 | 1214 | 791 (2025) | | | | |
| 15. | Great Tit | 214 | 92 | 276 | 126 | 320 | 319 | 290 | 428 | 379 | 6 | 2450 | 245 | 1760 | 690 | 428 (2024) | | | | |
| 16. | Skylark | 31 | 0 | 41 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 72 | 7.2 | 72 | 0 | 41 (2019) | | | | |
| 17. | Long-tailed Tit | 0 | 0 | 0 | 0 | 2 | 3 | 2 | 0 | 0 | 0 | 7 | 0.7 | 7 | 0 | 3 (2022) | | | | |
| 18. | Northern Long-tailed Tit | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2019) | | | | |
| 19. | Willow Warbler | 152 | 222 | 100 | 118 | 45 | 14 | 9 | 8 | 0 | 0 | 668 | 67 | 667 | 1 | 222 (2018) | | | | |
| 20. | Phylloscopus trochilus acredula | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2020) | | | | |
| 21. | Chiffchaff | 193 | 71 | 104 | 155 | 36 | 15 | 100 | 70 | 5 | 0 | 749 | 75 | 744 | 5 | 193 (2017) | | | | |
| 22. | Great Reed Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2023) | | | | |
| 23. | Sedge Warbler | 16 | 1 | 8 | 13 | 5 | 1 | 8 | 3 | 0 | 0 | 55 | 5.5 | 55 | 0 | 16 (2017) | | | | |
| 24. | Reed Warbler | 504 | 276 | 516 | 249 | 333 | 57 | 169 | 136 | 1 | 0 | 2241 | 224 | 2215 | 26 | 516 (2019) | | | | |
| 25. | Marsh Warbler | 8 | 15 | 14 | 12 | 9 | 6 | 6 | 9 | 0 | 0 | 79 | 7.9 | 79 | 0 | 15 (2018) | | | | |
| 26. | Melodious Warbler | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2022) | | | | |
| 27. | Icterine Warbler | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 1 (2019) | | | | |
| 28. | Grasshopper Warbler | 28 | 15 | 74 | 75 | 26 | 8 | 26 | 20 | 0 | 0 | 272 | 27 | 265 | 7 | 75 (2020) | | | | |
| 29. | Blackcap | 560 | 631 | 635 | 538 | 108 | 43 | 232 | 110 | 2 | 0 | 2859 | 286 | 2841 | 18 | 635 (2019) | | | | |
| 30. | Garden Warbler | 73 | 58 | 92 | 57 | 24 | 20 | 39 | 29 | 0 | 0 | 392 | 39 | 390 | 2 | 92 (2019) | | | | |
| 31. | Lesser Whitethroat | 3 | 5 | 3 | 9 | 2 | 10 | 2 | 4 | 0 | 0 | 38 | 3.8 | 38 | 0 | 10 (2022) | | | | |
| 32. | Whitethroat | 55 | 72 | 191 | 144 | 27 | 17 | 55 | 40 | 0 | 0 | 601 | 60 | 600 | 1 | 191 (2019) | | | | |
| 33. | Firecrest | 27 | 10 | 4 | 11 | 8 | 4 | 32 | 15 | 6 | 0 | 117 | 12 | 117 | 0 | 32 (2023) | | | | |
| 34. | Goldcrest | 30 | 146 | 255 | 432 | 43 | 180 | 129 | 199 | 270 | 0 | 1684 | 168 | 1675 | 9 | 432 (2020) | | | | |
| 35. | Wren | 11 | 7 | 6 | 9 | 5 | 1 | 2 | 1 | 1 | 0 | 43 | 4.3 | 39 | 4 | 11 (2017) | | | | |
| 36. | Nuthatch | 26 | 8 | 19 | 9 | 30 | 6 | 6 | 10 | 3 | 0 | 117 | 12 | 57 | 60 | 30 (2021) | | | | |
| 37. | Eurasian Treecreeper ssp macrodactyla | 2 | 1 | 0 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 7 | 0.7 | 5 | 2 | 2 (2017) | | | | |
| 38. | Short-toed Tree Creeper | 1 | 1 | 0 | 4 | 2 | 2 | 6 | 9 | 1 | 0 | 26 | 2.6 | 22 | 4 | 9 (2024) | | | | |
| 39. | Starling | 5 | 0 | 4 | 0 | 1 | 3 | 0 | 2 | 0 | 0 | 15 | 1.5 | 15 | 0 | 5 (2017) | | | | |
| 40. | Song Thrush | 16 | 8 | 9 | 5 | 5 | 3 | 3 | 3 | 0 | 0 | 52 | 5.2 | 50 | 2 | 16 (2017) | | | | |
| 41. | Mistle Thrush | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2017) | | | | |
| 42. | Redwing | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 2 (2017) | | | | |
| 43. | Blackbird | 12 | 28 | 23 | 31 | 12 | 6 | 10 | 11 | 5 | 1 | 139 | 14 | 117 | 22 | 31 (2020) | | | | |
| 44. | Spotted Flycatcher | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2019) | | | | |
| 45. | Robin | 222 | 191 | 356 | 271 | 118 | 32 | 118 | 48 | 16 | 0 | 1372 | 137 | 1263 | 109 | 356 (2019) | | | | |
| 46. | Nightingale | 4 | 4 | 2 | 5 | 6 | 1 | 2 | 1 | 0 | 0 | 25 | 2.5 | 25 | 0 | 6 (2021) | | | | |
| 47. | Pied Flycatcher | 1 | 6 | 1 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 13 | 1.3 | 13 | 0 | 6 (2018) | | | | |
| 48. | Black Redstart | 2 | 0 | 2 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 8 | 0.8 | 8 | 0 | 2 (2017) | | | | |
| 49. | Redstart | 34 | 70 | 26 | 21 | 22 | 3 | 10 | 4 | 0 | 0 | 190 | 19 | 187 | 3 | 70 (2018) | | | | |
| 50. | Tree Sparrow | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 0.2 | 2 | 0 | 2 (2023) | | | | |
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| 51. | House Sparrow | 38 | 32 | 65 | 60 | 26 | 12 | 83 | 82 | 4 | 0 | 402 | 40 | 298 | 104 | 83 (2023) | | | | |
| 52. | Dunnock | 427 | 296 | 140 | 230 | 129 | 21 | 103 | 94 | 31 | 0 | 1471 | 147 | 1400 | 71 | 427 (2017) | | | | |
| 53. | Tree Pipit | 2 | 13 | 14 | 13 | 3 | 4 | 5 | 9 | 1 | 0 | 64 | 6.4 | 61 | 3 | 14 (2019) | | | | |
| 54. | Chaffinch | 65 | 16 | 42 | 33 | 52 | 23 | 36 | 115 | 16 | 0 | 398 | 40 | 362 | 36 | 115 (2024) | | | | |
| 55. | Brambling | 11 | 3 | 27 | 2 | 75 | 212 | 86 | 59 | 88 | 9 | 572 | 57 | 535 | 37 | 212 (2022) | | | | |
| 56. | Hawfinch | 35 | 248 | 13 | 43 | 292 | 289 | 334 | 41 | 105 | 24 | 1424 | 142 | 1132 | 292 | 334 (2023) | | | | |
| 57. | Bullfinch | 108 | 67 | 77 | 68 | 142 | 50 | 72 | 40 | 31 | 3 | 658 | 66 | 300 | 358 | 142 (2021) | | | | |
| 58. | Northern Bullfinch | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2018) | | | | |
| 59. | Greenfinch | 91 | 181 | 135 | 175 | 178 | 105 | 122 | 123 | 56 | 3 | 1169 | 117 | 986 | 183 | 181 (2018) | | | | |
| 60. | Mealy Redpoll | 4 | 5 | 0 | 0 | 0 | 0 | 69 | 11 | 0 | 0 | 89 | 8.9 | 88 | 1 | 69 (2023) | | | | |
| 61. | Lesser Redpoll | 14 | 9 | 1 | 31 | 73 | 0 | 73 | 19 | 4 | 0 | 224 | 22 | 190 | 34 | 73 (2021) | | | | |
| 62. | Redpoll | 0 | 0 | 0 | 0 | 2 | 0 | 4 | 0 | 0 | 0 | 6 | 0.6 | 4 | 2 | 4 (2023) | | | | |
| 63. | Goldfinch | 0 | 4 | 22 | 7 | 309 | 3 | 13 | 11 | 10 | 5 | 384 | 38 | 259 | 125 | 309 (2021) | | | | |
| 64. | Siskin | 22 | 235 | 6 | 187 | 526 | 39 | 718 | 984 | 7 | 0 | 2724 | 272 | 2099 | 625 | 984 (2024) | | | | |
| 65. | Yellowhammer | 1 | 2 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 7 | 0.7 | 7 | 0 | 2 (2018) | | | | |
| 66. | Ortolan Bunting | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2020) | | | | |
| 67. | Reed Bunting | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 1 | 0 | 1 (2021) | | | | |
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Newly ringed | Retraps | Year Maximum | |
| |
Totals |
3439 | 3349 | 3680 | 3594 | 3841 | 2513 | 3819 | 3578 | 1936 | 80 | 29829 | 2983 | 25587 | 4242 | | |
| |
Observation hours |
263:42 | 317:05 | 215:40 | 275:00 | 326:30 | 246:32 | 290:55 | 218:20 | 110:05 | 10:30 | 2,274:19 | 227:26 | | | | |