Select until 11 January
Totals Ardán-Marín 2017 - 2026
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Present | Year Maximum | |
| 1. | Anser sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 2. | Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 3. | Quail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 3 | 1 | 0 | 2 (2025) | | | | |
| 4. | Nightjar | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 52 | 226 | 0 | 278 | 93 | 2 | 226 (2025) | | | | |
| 5. | Swift | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 22 | 7.3 | 0 | 22 (2025) | | | | |
| 6. | Water Rail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 27 | 0 | 28 | 9.3 | 0 | 27 (2025) | | | | |
| 7. | Spotted Crake | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 8. | Moorhen | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 23 | 0 | 28 | 9.3 | 0 | 23 (2025) | | | | |
| 9. | Coot | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 10. | Little Grebe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 11. | Oystercatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 3 | 0 | 7 | 2.3 | 0 | 4 (2024) | | | | |
| 12. | Avocet | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0.7 | 0 | 1 (2024) | | | | |
| 13. | Grey Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 0 | 6 | 2 | 0 | 5 (2025) | | | | |
| 14. | Golden Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 2 | 6 | 2 | 0 | 3 (2025) | | | | |
| 15. | Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 25 | 0 | 31 | 10.3 | 0 | 25 (2025) | | | | |
| 16. | Little Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 1 | 0 | 3 (2025) | | | | |
| 17. | Lapwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 18. | Whimbrel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 23 | 7.7 | 0 | 23 (2025) | | | | |
| 19. | Curlew | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 5 | 1.7 | 0 | 4 (2025) | | | | |
| 20. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 52 | 201 | 1 | 254 | 85 | 0 | 201 (2025) | | | | |
| 21. | Green Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 9 | 0 | 10 | 3.3 | 0 | 9 (2025) | | | | |
| 22. | Wood Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 23. | Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 4 | 1.3 | 0 | 3 (2025) | | | | |
| 24. | Spotted Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 25. | Greenshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 0.7 | 0 | 1 (2024) | | | | |
| 26. | Knot | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0.7 | 0 | 1 (2024) | | | | |
| 27. | Dunlin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 22 | 0 | 26 | 8.7 | 0 | 22 (2025) | | | | |
| 28. | Arctic Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.7 | 0 | 2 (2025) | | | | |
| 29. | Common Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.7 | 0 | 2 (2025) | | | | |
| 30. | Sandwich Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 21 | 0 | 24 | 8 | 0 | 21 (2025) | | | | |
| 31. | Yellow-legged Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 13 | 4.3 | 0 | 13 (2024) | | | | |
| 32. | Night Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 33. | Little Egret | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 3 | 1 | 0 | 2 (2024) | | | | |
| 34. | heron sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 35. | Grey Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 163 | 1 | 225 | 75 | 0 | 163 (2025) | | | | |
| 36. | Purple Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 37. | Common Buzzard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.3 | 0 | 1 (2026) | | | | |
| 38. | Barn Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 92 | 172 | 2 | 266 | 89 | 2 | 172 (2025) | | | | |
| 39. | Scops Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 1.3 | 0 | 4 (2025) | | | | |
| 40. | Tawny Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 64 | 30 | 0 | 94 | 31.3 | 2 | 64 (2024) | | | | |
| 41. | Kestrel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 42. | Magpie | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 40 | 0 | 0 | 40 | 13.3 | 0 | 40 (2024) | | | | |
| 43. | Carrion Crow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 3 | 0 | 10 | 3.3 | 0 | 7 (2024) | | | | |
| 44. | Great Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 45. | Swallow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 21 | 7 | 0 | 21 (2025) | | | | |
| 46. | Chiffchaff | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 9 | 0 | 13 | 4.3 | 0 | 9 (2025) | | | | |
| 47. | Iberian Chiffchaff | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 48. | Blackcap | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 6 | 2 | 0 | 6 (2024) | | | | |
| 49. | Firecrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 3 | 1 | 0 | 2 (2025) | | | | |
| 50. | Wren | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0.7 | 0 | 2 (2024) | | | | |
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Present | Year Maximum | |
| 51. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 699 | 823 | 11 | 1533 | 511 | 0 | 823 (2025) | | | | |
| 52. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 905 | 342 | 17 | 1264 | 421 | 0 | 905 (2024) | | | | |
| 53. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 6 | 0 | 25 | 8.3 | 0 | 19 (2024) | | | | |
| 54. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 24 | 0 | 25 | 8.3 | 0 | 24 (2025) | | | | |
| 55. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 104 | 0 | 138 | 46 | 0 | 104 (2025) | | | | |
| 56. | Nightingale | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 17 | 0 | 20 | 6.7 | 0 | 17 (2025) | | | | |
| 57. | Black Redstart | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 0 | 5 | 1.7 | 0 | 4 (2024) | | | | |
| 58. | Dunnock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 4 | 1.3 | 0 | 4 (2024) | | | | |
| 59. | Meadow Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.7 | 0 | 2 (2025) | | | | |
| 60. | Tree Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 24 | 8 | 0 | 24 (2025) | | | | |
| 61. | Hawfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 62. | Bullfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.7 | 0 | 2 (2025) | | | | |
| 63. | Serin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 1 | 0 | 3 (2024) | | | | |
| 64. | Siskin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 2 | 0 | 13 | 4.3 | 0 | 11 (2024) | | | | |
| 65. | Ortolan Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | 7 | 2.3 | 0 | 6 (2025) | | | | |
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Present | Year Maximum | |
| |
Totals |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 2117 | 2396 | 36 | 4549 | 1516 | 6 | | |
| |
Observation hours |
| | | | | | | 1,513:35 | 3,126:25 | 106:42 | 4,746:42 | 1,582:14 | | | |