Select until 9 January
Totals Elorrio 2017 - 2026
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Present | Year Maximum | |
| 1. | Greylag Goose | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 15 | 0 | 0 | 17 | 4.3 | 0 | 15 (2024) | | | | |
| 2. | Gadwall | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 3. | Wigeon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.5 | 0 | 2 (2025) | | | | |
| 4. | Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 8 | 4 | 0 | 16 | 4 | 2 | 8 (2024) | | | | |
| 5. | Quail | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 10 | 15 | 0 | 30 | 7.5 | 0 | 15 (2025) | | | | |
| 6. | Nightjar | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 5 | 1 (2024) | | | | |
| 7. | Swift | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.5 | 1 | 2 (2025) | | | | |
| 8. | Cuckoo | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 3 | 0.8 | 0 | 2 (2024) | | | | |
| 9. | Water Rail | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 15 | 49 | 0 | 81 | 20.3 | 0 | 49 (2025) | | | | |
| 10. | Moorhen | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 267 | 0 | 271 | 68 | 6 | 267 (2025) | | | | |
| 11. | Coot | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 17 | 14 | 0 | 47 | 11.8 | 0 | 17 (2024) | | | | |
| 12. | Baillon's Crake | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.5 | 0 | 2 (2025) | | | | |
| 13. | Crane | 0 | 0 | 0 | 0 | 0 | 0 | 78 | 33 | 102 | 0 | 213 | 53 | 0 | 102 (2025) | | | | |
| 14. | Little Grebe | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 5 | 0 | 10 | 2.5 | 0 | 5 (2025) | | | | |
| 15. | Stone Curlew | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 16 | 12 | 2 | 31 | 7.8 | 0 | 16 (2024) | | | | |
| 16. | Oystercatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.5 | 0 | 2 (2025) | | | | |
| 17. | Black-winged Stilt | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 7 | 1.8 | 0 | 7 (2024) | | | | |
| 18. | Avocet | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 0.5 | 0 | 2 (2023) | | | | |
| 19. | Grey Plover | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | 6 | 1.5 | 0 | 5 (2023) | | | | |
| 20. | Golden Plover | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 25 | 55 | 0 | 89 | 22.3 | 0 | 55 (2025) | | | | |
| 21. | Dotterel | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 22. | Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 15 | 13 | 0 | 60 | 15 | 0 | 32 (2023) | | | | |
| 23. | Little Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 21 | 24 | 0 | 62 | 15.5 | 0 | 24 (2025) | | | | |
| 24. | Lapwing | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 15 | 22 | 0 | 41 | 10.3 | 0 | 22 (2025) | | | | |
| 25. | Whimbrel | 0 | 0 | 0 | 0 | 0 | 0 | 64 | 58 | 72 | 0 | 194 | 49 | 0 | 72 (2025) | | | | |
| 26. | Curlew | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 8 | 0 | 30 | 7.5 | 0 | 22 (2023) | | | | |
| 27. | Snipe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 3 | 0.8 | 0 | 2 (2025) | | | | |
| 28. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 265 | 255 | 307 | 0 | 827 | 207 | 0 | 307 (2025) | | | | |
| 29. | Green Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 34 | 89 | 0 | 157 | 39 | 0 | 89 (2025) | | | | |
| 30. | Wood Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 14 | 4 | 0 | 25 | 6.3 | 0 | 14 (2024) | | | | |
| 31. | Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 52 | 35 | 22 | 0 | 109 | 27 | 0 | 52 (2023) | | | | |
| 32. | Greenshank | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 29 | 6 | 0 | 45 | 11.3 | 0 | 29 (2024) | | | | |
| 33. | Turnstone | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 0.5 | 0 | 1 (2023) | | | | |
| 34. | Knot | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 0 | 6 | 1.5 | 0 | 4 (2025) | | | | |
| 35. | Curlew Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 36. | Sanderling | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 26 | 6.5 | 0 | 26 (2023) | | | | |
| 37. | Dunlin | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 12 | 34 | 0 | 59 | 14.8 | 0 | 34 (2025) | | | | |
| 38. | Caspian Tern | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 10 | 0 | 11 | 2.8 | 0 | 10 (2025) | | | | |
| 39. | Black-headed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 0.5 | 0 | 1 (2023) | | | | |
| 40. | Yellow-legged Gull | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 41. | large gull sp. | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 4 | 1 | 0 | 11 | 2.8 | 0 | 6 (2023) | | | | |
| 42. | Spoonbill | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 43. | Little Bittern | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 4 | 1 | 0 | 3 (2025) | | | | |
| 44. | Night Heron | 0 | 0 | 0 | 0 | 0 | 0 | 42 | 39 | 80 | 0 | 161 | 40 | 0 | 80 (2025) | | | | |
| 45. | Little Egret | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 10 | 0 | 11 | 2.8 | 0 | 10 (2025) | | | | |
| 46. | Great White Egret | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0.5 | 0 | 2 (2024) | | | | |
| 47. | Grey Heron | 0 | 0 | 0 | 0 | 0 | 0 | 152 | 178 | 155 | 0 | 485 | 121 | 0 | 178 (2024) | | | | |
| 48. | Purple Heron | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 14 | 12 | 0 | 49 | 12.3 | 0 | 23 (2023) | | | | |
| 49. | Barn Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | | | | | |
| 50. | Kingfisher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0.5 | 0 | 1 (2024) | | | | |
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Present | Year Maximum | |
| 51. | Lesser Spotted Woodpecker | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | | | | | |
| 52. | Golden Oriole | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 53. | Carrion Crow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 8 | 0 | 17 | 4.3 | 1 | 9 (2024) | | | | |
| 54. | Raven | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | | | | | |
| 55. | Marsh Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2025) | | | | |
| 56. | Wood Lark | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 5 | 1.3 | 0 | 3 (2025) | | | | |
| 57. | Skylark | 0 | 0 | 0 | 0 | 0 | 0 | 43 | 193 | 422 | 0 | 658 | 165 | 0 | 422 (2025) | | | | |
| 58. | House Martin | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 28 | 10 | 0 | 45 | 11.3 | 0 | 28 (2024) | | | | |
| 59. | Willow Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 0.8 | 0 | 3 (2025) | | | | |
| 60. | Chiffchaff | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 0 | 6 | 1.5 | 0 | 5 (2025) | | | | |
| 61. | Iberian Chiffchaff | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.5 | 0 | 2 (2025) | | | | |
| 62. | Firecrest | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 5 | 1 | 0 | 17 | 4.3 | 0 | 11 (2023) | | | | |
| 63. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 14 | 3.5 | 0 | 14 (2025) | | | | |
| 64. | Short-toed Tree Creeper | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 0.5 | 0 | 1 (2023) | | | | |
| 65. | Spotless Starling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | | | | | |
| 66. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 2190 | 11102 | 12412 | 0 | 25704 | 6426 | 0 | 12412 (2025) | | | | |
| 67. | Mistle Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.5 | 0 | 2 (2025) | | | | |
| 68. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 664 | 6509 | 1856 | 9 | 9038 | 2260 | 0 | 6509 (2024) | | | | |
| 69. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 80 | 286 | 0 | 386 | 97 | 1 | 286 (2025) | | | | |
| 70. | Fieldfare | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2024) | | | | |
| 71. | Ring Ouzel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0.5 | 0 | 1 (2024) | | | | |
| 72. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 297 | 204 | 61 | 0 | 562 | 141 | 0 | 297 (2023) | | | | |
| 73. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 1605 | 1391 | 1867 | 0 | 4863 | 1216 | 78 | 1867 (2025) | | | | |
| 74. | Pied Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 9 | 12 | 0 | 37 | 9.3 | 1 | 16 (2023) | | | | |
| 75. | Black Redstart | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 1 | 0 | 6 | 1.5 | 0 | 3 (2024) | | | | |
| 76. | Wheatear | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 77. | Dunnock | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 12 | 182 | 0 | 197 | 49 | 0 | 182 (2025) | | | | |
| 78. | Blue-headed Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 142 | 0 | 156 | 39 | 0 | 142 (2025) | | | | |
| 79. | Grey Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 136 | 0 | 136 | 34 | 2 | 136 (2025) | | | | |
| 80. | White Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 1984 | 0 | 1989 | 497 | 0 | 1984 (2025) | | | | |
| 81. | Meadow Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 44 | 319 | 0 | 387 | 97 | 0 | 319 (2025) | | | | |
| 82. | Tree Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 252 | 81 | 0 | 359 | 90 | 0 | 252 (2024) | | | | |
| 83. | Water Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 0.8 | 0 | 3 (2025) | | | | |
| 84. | Chaffinch | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1326 | 0 | 1329 | 332 | 0 | 1326 (2025) | | | | |
| 85. | Brambling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 23 | 0 | 24 | 6 | 0 | 23 (2025) | | | | |
| 86. | Hawfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 6 | 0 | 23 | 5.8 | 0 | 17 (2024) | | | | |
| 87. | Bullfinch | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 11 | 0 | 13 | 3.3 | 2 | 11 (2025) | | | | |
| 88. | Greenfinch | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 260 | 0 | 265 | 66 | 0 | 260 (2025) | | | | |
| 89. | Linnet | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 32 | 0 | 34 | 8.5 | 0 | 32 (2025) | | | | |
| 90. | Goldfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 286 | 0 | 286 | 72 | 0 | 286 (2025) | | | | |
| 91. | Citril Finch | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2023) | | | | |
| 92. | Serin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 38 | 0 | 40 | 10 | 0 | 38 (2025) | | | | |
| 93. | Siskin | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 48 | 816 | 0 | 881 | 220 | 23 | 816 (2025) | | | | |
| 94. | Corn Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 3 | 0.8 | 0 | 2 (2025) | | | | |
| 95. | Yellowhammer | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 7 | 0 | 17 | 4.3 | 0 | 7 (2025) | | | | |
| 96. | Rock Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 6 | 1.5 | 0 | 6 (2023) | | | | |
| 97. | Ortolan Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 44 | 7 | 34 | 0 | 85 | 21.3 | 0 | 44 (2023) | | | | |
| 98. | Cirl Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 14 | 3.5 | 0 | 14 (2025) | | | | |
| 99. | Reed Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 9 | 2.3 | 0 | 9 (2025) | | | | |
| 100. | Species unidentified | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 4 | 1 | 0 | 2 (2023) | | | | |
| | Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Present | Year Maximum | |
| |
Totals |
0 | 0 | 0 | 0 | 0 | 0 | 5926 | 20826 | 24092 | 11 | 50855 | 12714 | 127 | | |
| |
Observation hours |
| | | | | | 2,210:55 | 3,154:26 | 3,036:49 | 68:45 | 8,470:55 | 2,117:44 | | | |