Select until 20 December
Totals Chécy NFC (45) 2016 - 2025
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |
| 1. | Canada Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 4 | 1.3 | 0 | 2 (2024) | | | | |
| 2. | Branta sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 3. | Greylag Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 1 | 0 | 2 (2024) | | | | |
| 4. | Mute Swan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 5. | Gadwall | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 1 | 0 | 2 (2025) | | | | |
| 6. | Wigeon | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 3 | 8 | 2.7 | 0 | 4 (2024) | | | | |
| 7. | Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 16 | 33 | 51 | 17 | 0 | 33 (2025) | | | | |
| 8. | Pintail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 9. | Teal | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 6 | 8 | 16 | 5.3 | 0 | 8 (2025) | | | | |
| 10. | Quail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 4 | 14 | 4.7 | 0 | 10 (2024) | | | | |
| 11. | Cuckoo | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 12. | Water Rail | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 14 | 18 | 6 | 0 | 14 (2025) | | | | |
| 13. | Moorhen | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 55 | 119 | 178 | 59 | 0 | 119 (2025) | | | | |
| 14. | Coot | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 18 | 35 | 54 | 18 | 0 | 35 (2025) | | | | |
| 15. | Crane | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 33 | 17 | 50 | 16.7 | 0 | 33 (2024) | | | | |
| 16. | Little Grebe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 12 | 23 | 7.7 | 0 | 12 (2025) | | | | |
| 17. | Stone Curlew | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 2 | 5 | 1.7 | 0 | 3 (2022) | | | | |
| 18. | Oystercatcher | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2022) | | | | |
| 19. | Golden Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 42 | 28 | 70 | 23.3 | 0 | 42 (2024) | | | | |
| 20. | Little Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 19 | 37 | 12.3 | 0 | 19 (2025) | | | | |
| 21. | Lapwing | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 11 | 27 | 39 | 13 | 0 | 27 (2025) | | | | |
| 22. | Whimbrel | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 9 | 2 | 13 | 4.3 | 0 | 9 (2024) | | | | |
| 23. | Curlew | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 5 | 1.7 | 0 | 3 (2025) | | | | |
| 24. | Snipe | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 6 | 10 | 3.3 | 0 | 6 (2025) | | | | |
| 25. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 42 | 43 | 89 | 29.7 | 0 | 43 (2025) | | | | |
| 26. | Green Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 29 | 17 | 48 | 16 | 0 | 29 (2024) | | | | |
| 27. | Wood Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 4 | 1.3 | 0 | 3 (2025) | | | | |
| 28. | Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 5 | 1.7 | 0 | 3 (2024) | | | | |
| 29. | Greenshank | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 4 | 9 | 3 | 0 | 4 (2025) | | | | |
| 30. | Dunlin | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 0.7 | 0 | 1 (2022) | | | | |
| 31. | Caspian Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 32. | Common Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 1.3 | 0 | 4 (2024) | | | | |
| 33. | Black-headed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 7 | 10 | 20 | 6.7 | 0 | 10 (2025) | | | | |
| 34. | Mediterranean Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 14 | 4.7 | 0 | 14 (2024) | | | | |
| 35. | Common Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0.7 | 0 | 2 (2025) | | | | |
| 36. | large gull sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 4 | 1.3 | 0 | 2 (2024) | | | | |
| 37. | Bittern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 5 | 1.7 | 0 | 4 (2025) | | | | |
| 38. | Little Bittern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 10 | 3.3 | 0 | 5 (2024) | | | | |
| 39. | Night Heron | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 22 | 28 | 54 | 18 | 0 | 28 (2025) | | | | |
| 40. | Little Egret | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 4 | 1.3 | 0 | 3 (2025) | | | | |
| 41. | Cattle Egret | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1 | 0 | 3 (2025) | | | | |
| 42. | Grey Heron | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 177 | 201 | 389 | 130 | 0 | 201 (2025) | | | | |
| 43. | Purple Heron | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 4 | 1.3 | 0 | 2 (2022) | | | | |
| 44. | Barn Owl | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 29 | 33 | 11 | 1 | 29 (2025) | | | | |
| 45. | Kingfisher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 46. | Skylark | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 39 | 13 | 63 | 21 | 0 | 39 (2024) | | | | |
| 47. | Chiffchaff | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 48. | Blackcap | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0.7 | 0 | 1 (2024) | | | | |
| 49. | Firecrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 50. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2022) | | | | |
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |
| 51. | Starling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0.7 | 0 | 2 (2025) | | | | |
| 52. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 854 | 0 | 1360 | 1372 | 3586 | 1195 | 0 | 1372 (2025) | | | | |
| 53. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 284 | 0 | 940 | 765 | 1989 | 663 | 0 | 940 (2024) | | | | |
| 54. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 59 | 0 | 97 | 65 | 221 | 74 | 0 | 97 (2024) | | | | |
| 55. | Fieldfare | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 0.7 | 0 | 1 (2022) | | | | |
| 56. | Ring Ouzel | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 7 | 5 | 13 | 4.3 | 0 | 7 (2024) | | | | |
| 57. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 8 | 5 | 15 | 5 | 0 | 8 (2024) | | | | |
| 58. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 112 | 0 | 228 | 222 | 562 | 187 | 0 | 228 (2024) | | | | |
| 59. | Pied Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 16 | 33 | 11 | 0 | 17 (2024) | | | | |
| 60. | Black Redstart | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 61. | Dunnock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 62. | Blue-headed Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 5 | 13 | 4.3 | 0 | 5 (2025) | | | | |
| 63. | White Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 3 | 1 | 0 | 2 (2022) | | | | |
| 64. | Tree Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 40 | 32 | 77 | 25.7 | 0 | 40 (2024) | | | | |
| 65. | Brambling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 5 | 1.7 | 0 | 4 (2025) | | | | |
| 66. | Siskin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0.7 | 0 | 2 (2025) | | | | |
| 67. | Yellowhammer | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 68. | Ortolan Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 13 | 21 | 7 | 0 | 13 (2025) | | | | |
| 69. | Species unidentified | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 7 | 2.3 | 0 | 7 (2024) | | | | |
| | Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |
| |
Totals |
0 | 0 | 0 | 0 | 0 | 0 | 1392 | 0 | 3320 | 3221 | 7933 | 2644 | 1 | | |
| |
Observation hours |
| | | | | | 372:32 | | 1,816:22 | 1,902:40 | 4,091:34 | 1,363:51 | | | |