| Year | |
| Period | |
| count-field | |
| Also present | |
| Species | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 2697 | 13770 | 1336 | 4 | 0 | 0 | 0 | 0 | 17807 | 0 | 17807 | 5008 (19 Mar) | 70 | 40 | 18 Feb | 14 May | ||||
| 2. | Canada Goose | 0 | 3 | 9 | 0 | 0 | 0 | 0 | 0 | 12 | 6 | 6 | 6 (7 Apr) | 7 | 4 | 19 Mar | 24 Apr | ||||
| 3. | Greylag Goose | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 2 (3 Apr) | 2 | 1 | 3 Apr | 3 Apr | ||||
| 4. | Shelduck | 4 | 43 | 74 | 36 | 0 | 0 | 0 | 0 | 157 | 13 | 144 | 30 (29 Apr) | 42 | 24 | 21 Feb | 14 May | ||||
| 5. | Garganey | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 3 (4 Apr) | 4 | 2 | 2 Apr | 4 Apr | ||||
| 6. | Shoveler | 25 | 202 | 297 | 18 | 0 | 0 | 0 | 0 | 542 | 0 | 542 | 169 (2 Apr) | 35 | 20 | 21 Feb | 10 May | ||||
| 7. | Gadwall | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 2 (24 Apr) | 4 | 2 | 21 Feb | 24 Apr | ||||
| 8. | Wigeon | 0 | 287 | 2 | 0 | 0 | 0 | 0 | 0 | 289 | 0 | 289 | 271 (26 Mar) | 9 | 5 | 6 Mar | 2 Apr | ||||
| 9. | Mallard | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 2 (21 Feb) | 4 | 2 | 21 Feb | 20 Mar | ||||
| 10. | Pintail | 549 | 470 | 22 | 2 | 0 | 0 | 0 | 0 | 1043 | 0 | 1043 | 534 (21 Feb) | 28 | 16 | 19 Feb | 12 May | ||||
| 11. | Teal | 0 | 213 | 2 | 0 | 0 | 0 | 0 | 0 | 215 | 0 | 215 | 121 (8 Mar) | 14 | 8 | 6 Mar | 30 Apr | ||||
| 12. | dabbling duck sp. | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 3 (10 May) | 2 | 1 | 10 May | 10 May | ||||
| 13. | duck sp. | 0 | 102 | 22 | 0 | 0 | 0 | 0 | 0 | 124 | 0 | 124 | 102 (26 Mar) | 5 | 3 | 26 Mar | 4 Apr | ||||
| 14. | Pochard | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (6 Mar) | 2 | 1 | 6 Mar | 6 Mar | ||||
| 15. | Tufted Duck | 0 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 6 | 4 (7 Mar) | 4 | 2 | 7 Mar | 12 Apr | ||||
| 16. | Eider | 2 | 9 | 3 | 4 | 0 | 0 | 0 | 0 | 18 | 0 | 18 | 9 (22 Mar) | 9 | 5 | 20 Feb | 10 May | ||||
| 17. | Surf Scoter | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (12 Apr) | 2 | 1 | 12 Apr | 12 Apr | ||||
| 18. | Velvet Scoter | 0 | 0 | 4 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 5 | 2 (7 Apr) | 7 | 4 | 2 Apr | 12 May | ||||
| 19. | Common Scoter | 73 | 2917 | 4089 | 785 | 0 | 0 | 3 | 1 | 7868 | 7 | 7861 | 1160 (20 Mar) | 84 | 48 | 19 Feb | 18 Sep | ||||
| 20. | Goosander | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (1 Apr) | 2 | 1 | 1 Apr | 1 Apr | ||||
| 21. | Red-breasted Merganser | 0 | 27 | 28 | 2 | 0 | 0 | 0 | 0 | 57 | 1 | 56 | 10 (22 Mar) | 19 | 11 | 19 Mar | 12 May | ||||
| 22. | Swift | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (4 May) | 2 | 1 | 4 May | 4 May | ||||
| 23. | Great Crested Grebe | 2 | 4 | 10 | 1 | 0 | 0 | 0 | 0 | 17 | 0 | 17 | 3 (18 Apr) | 21 | 12 | 19 Feb | 3 May | ||||
| 24. | Oystercatcher | 0 | 45 | 23 | 1 | 0 | 0 | 0 | 0 | 69 | 33 | 36 | 19 (19 Mar) | 23 | 13 | 6 Mar | 12 May | ||||
| 25. | Avocet | 0 | 8 | 12 | 7 | 0 | 0 | 0 | 0 | 27 | 0 | 27 | 4 (18 Mar) | 18 | 10 | 8 Mar | 12 May | ||||
| 26. | Grey Plover | 0 | 1 | 3 | 14 | 0 | 0 | 0 | 0 | 18 | 0 | 18 | 7 (10 May) | 11 | 6 | 21 Mar | 10 May | ||||
| 27. | Ringed Plover | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 3 | 1 | 2 | 2 (29 Apr) | 4 | 2 | 29 Apr | 10 May | ||||
| 28. | Whimbrel | 0 | 0 | 375 | 296 | 0 | 0 | 0 | 0 | 671 | 0 | 671 | 198 (9 May) | 30 | 17 | 12 Apr | 13 May | ||||
| 29. | Curlew | 35 | 30 | 3 | 1 | 0 | 0 | 0 | 0 | 69 | 5 | 64 | 22 (21 Feb) | 21 | 12 | 19 Feb | 12 May | ||||
| 30. | Bar-tailed Godwit | 0 | 0 | 2449 | 65 | 0 | 0 | 0 | 0 | 2514 | 2 | 2512 | 1399 (19 Apr) | 26 | 15 | 12 Apr | 13 May | ||||
| Species | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Common Sandpiper | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (27 Apr) | 2 | 1 | 27 Apr | 27 Apr | ||||
| 32. | Greenshank | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (30 Apr) | 2 | 1 | 30 Apr | 30 Apr | ||||
| 33. | Turnstone | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (1 May) | 2 | 1 | 1 May | 1 May | ||||
| 34. | Knot | 0 | 0 | 2 | 19 | 0 | 0 | 0 | 0 | 21 | 0 | 21 | 13 (13 May) | 7 | 4 | 26 Apr | 13 May | ||||
| 35. | wader sp. | 0 | 0 | 95 | 30 | 0 | 0 | 0 | 0 | 125 | 0 | 125 | 65 (12 Apr) | 7 | 4 | 10 Apr | 9 May | ||||
| 36. | small wader | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 4 (9 May) | 2 | 1 | 9 May | 9 May | ||||
| 37. | Sanderling | 0 | 0 | 24 | 82 | 0 | 0 | 0 | 0 | 106 | 7 | 99 | 40 (12 May) | 12 | 7 | 3 Apr | 14 May | ||||
| 38. | Dunlin | 3 | 22 | 4 | 4 | 0 | 0 | 0 | 0 | 33 | 0 | 33 | 22 (18 Mar) | 11 | 6 | 21 Feb | 10 May | ||||
| 39. | Little Tern | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 21 | 15 (23 Apr) | 5 | 3 | 18 Apr | 26 Apr | ||||
| 40. | Caspian Tern | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (30 Apr) | 2 | 1 | 30 Apr | 30 Apr | ||||
| 41. | Black Tern | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 6 | 4 (23 Apr) | 4 | 2 | 23 Apr | 30 Apr | ||||
| 42. | Common/Arctic Tern | 0 | 0 | 3053 | 288 | 0 | 0 | 0 | 20 | 3361 | 20 | 3341 | 2500 (23 Apr) | 23 | 13 | 12 Apr | 11 Sep | ||||
| 43. | Common Tern | 0 | 0 | 1 | 6 | 0 | 0 | 0 | 0 | 7 | 0 | 7 | 6 (9 May) | 4 | 2 | 29 Apr | 9 May | ||||
| 44. | Sandwich Tern | 0 | 135 | 926 | 157 | 0 | 0 | 2 | 3 | 1223 | 13 | 1210 | 161 (4 Apr) | 67 | 38 | 20 Mar | 17 Sep | ||||
| 45. | Little Gull | 0 | 27 | 136 | 0 | 0 | 0 | 0 | 3 | 166 | 3 | 163 | 48 (12 Apr) | 19 | 11 | 21 Mar | 3 Sep | ||||
| 46. | Kittiwake | 22 | 699 | 811 | 1061 | 0 | 0 | 0 | 0 | 2593 | 187 | 2406 | 404 (10 May) | 53 | 30 | 19 Feb | 14 May | ||||
| 47. | Black-headed Gull | 284 | 233 | 374 | 625 | 0 | 0 | 0 | 0 | 1516 | 328 | 1188 | 266 (26 Feb) | 63 | 36 | 20 Feb | 25 May | ||||
| 48. | Mediterranean Gull | 83 | 157 | 573 | 127 | 0 | 0 | 0 | 0 | 940 | 11 | 929 | 164 (18 Apr) | 67 | 38 | 20 Feb | 25 May | ||||
| 49. | Common Gull | 573 | 161 | 196 | 10 | 0 | 0 | 0 | 0 | 940 | 0 | 940 | 294 (23 Feb) | 23 | 13 | 20 Feb | 13 May | ||||
| 50. | Caspian Gull | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (22 Mar) | 2 | 1 | 22 Mar | 22 Mar | ||||
| 51. | Great Black-backed Gull | 0 | 45 | 1 | 0 | 0 | 0 | 0 | 0 | 46 | 0 | 46 | 45 (18 Mar) | 4 | 2 | 18 Mar | 16 Apr | ||||
| 52. | Lesser Black-backed Gull | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (4 Apr) | 2 | 1 | 4 Apr | 4 Apr | ||||
| 53. | Arctic Skua | 0 | 2 | 102 | 40 | 0 | 0 | 1 | 3 | 148 | 4 | 144 | 24 (29 Apr) | 46 | 26 | 7 Mar | 3 Sep | ||||
| 54. | Pomarine Skua | 0 | 0 | 55 | 30 | 0 | 0 | 0 | 0 | 85 | 0 | 85 | 38 (29 Apr) | 19 | 11 | 12 Apr | 12 May | ||||
| 55. | Great Skua | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 6 | 3 (18 Apr) | 5 | 3 | 16 Apr | 23 Apr | ||||
| 56. | Razorbill | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 2 (25 May) | 2 | 1 | 25 May | 25 May | ||||
| 57. | Razorbill/Guillemot | 66 | 144 | 228 | 51 | 0 | 0 | 0 | 0 | 489 | 14 | 475 | 91 (18 Apr) | 60 | 34 | 19 Feb | 25 May | ||||
| 58. | Guillemot | 7 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 10 | 0 | 10 | 7 (19 Feb) | 7 | 4 | 19 Feb | 9 May | ||||
| 59. | Red-throated Diver | 140 | 506 | 85 | 13 | 0 | 0 | 0 | 0 | 744 | 15 | 729 | 165 (22 Mar) | 68 | 39 | 19 Feb | 13 May | ||||
| 60. | Black-throated Diver | 0 | 2 | 7 | 1 | 0 | 0 | 0 | 0 | 10 | 0 | 10 | 2 (28 Mar) | 14 | 8 | 28 Mar | 12 May | ||||
| Species | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Fulmar | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 4 | 0 | 4 (29 Aug) | 2 | 1 | 29 Aug | 29 Aug | ||||
| 62. | Sooty Shearwater | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 0 | 3 (17 Sep) | 2 | 1 | 17 Sep | 17 Sep | ||||
| 63. | Manx Shearwater | 0 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 6 | 3 | 3 | 3 (25 May) | 7 | 4 | 16 Apr | 25 May | ||||
| 64. | Balearic Shearwater | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 24 | 30 | 30 | 0 | 23 (11 Sep) | 5 | 3 | 29 Aug | 11 Sep | ||||
| 65. | Gannet | 68 | 780 | 866 | 326 | 0 | 0 | 294 | 342 | 2676 | 787 | 1889 | 374 (23 Apr) | 79 | 45 | 19 Feb | 18 Sep | ||||
| 66. | Cormorant | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 31 | 0 | 31 (13 Mar) | 2 | 1 | 13 Mar | 13 Mar | ||||
| 67. | Spoonbill | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 2 (13 Apr) | 2 | 1 | 13 Apr | 13 Apr | ||||
| 68. | Little Egret | 0 | 2 | 4 | 4 | 0 | 0 | 0 | 0 | 10 | 6 | 4 | 4 (14 May) | 11 | 6 | 12 Mar | 14 May | ||||
| 69. | Egretta sp. | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (9 May) | 2 | 1 | 9 May | 9 May | ||||
| 70. | Great White Egret | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (7 Apr) | 2 | 1 | 7 Apr | 7 Apr | ||||
| 71. | Marsh Harrier | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (14 May) | 2 | 1 | 14 May | 14 May | ||||
| 72. | Swallow | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 8 | 9 | 8 | 1 | 4 (11 Sep) | 5 | 3 | 19 Apr | 18 Sep | ||||
| 73. | Grey Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 0 | 2 (11 Sep) | 2 | 1 | 11 Sep | 11 Sep | ||||
| Species | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 4636 | 21085 | 16366 | 4129 | 0 | 0 | 310 | 409 | 46935 | 1545 | 45390 | 100 | 57 | ||||||||
| Observation hours | 20:45 | 36:12 | 67:45 | 35:36 | 0:00 | 0:00 | 2:30 | 5:39 | 168:27 | ||||||||||||
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