| Year | |
| Period | |
| count-field | |
| Also present | |
| Species | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Totals | N | S | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Mallard | 0 | 0 | 0 | 32 | 0 | 0 | 0 | 0 | 0 | 32 | 32 | 0 | 32 (15 Jun) | 2 | 1 | 15 Jun | 15 Jun | ||||
| 2. | Common Scoter | 236 | 40 | 1 | 9 | 52 | 322 | 250 | 65 | 0 | 975 | 278 | 697 | 194 (27 Mar) | 55 | 34 | 17 Mar | 31 Oct | ||||
| 3. | Swift | 0 | 0 | 1 | 0 | 30 | 0 | 0 | 0 | 0 | 31 | 30 | 1 | 30 ( 6 Jul) | 3 | 2 | 1 May | 6 Jul | ||||
| 4. | Pallid Swift | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 2 | 2 ( 1 May) | 3 | 2 | 26 Apr | 1 May | ||||
| 5. | Swift / Pallid Swift | 0 | 0 | 0 | 2 | 0 | 11 | 0 | 1 | 0 | 14 | 12 | 2 | 10 (31 Aug) | 6 | 4 | 22 Jun | 31 Oct | ||||
| 6. | Oystercatcher | 16 | 1 | 0 | 0 | 1 | 6 | 0 | 0 | 0 | 24 | 19 | 5 | 15 (29 Mar) | 15 | 9 | 29 Mar | 31 Aug | ||||
| 7. | Ringed Plover | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 0 | 6 (15 May) | 2 | 1 | 15 May | 15 May | ||||
| 8. | Whimbrel | 1 | 832 | 3 | 0 | 5 | 78 | 21 | 2 | 0 | 942 | 840 | 102 | 542 (20 Apr) | 37 | 23 | 31 Mar | 3 Oct | ||||
| 9. | Curlew | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 1 | 1 | 1 (29 Mar) | 3 | 2 | 29 Mar | 4 Aug | ||||
| 10. | Turnstone | 0 | 0 | 0 | 0 | 0 | 2 | 26 | 3 | 0 | 31 | 0 | 31 | 26 ( 7 Sep) | 5 | 3 | 15 Aug | 31 Oct | ||||
| 11. | wader sp. | 3 | 1 | 67 | 0 | 8 | 41 | 80 | 0 | 0 | 200 | 87 | 113 | 80 ( 7 Sep) | 31 | 19 | 29 Mar | 7 Sep | ||||
| 12. | Sanderling | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 0 | 4 (29 Mar) | 2 | 1 | 29 Mar | 29 Mar | ||||
| 13. | Little Tern | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 5 | 0 | 5 | 2 ( 6 Aug) | 5 | 3 | 20 Jul | 31 Aug | ||||
| 14. | Common/Arctic Tern | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 0 | 2 | 1 (31 Aug) | 3 | 2 | 31 Aug | 11 Sep | ||||
| 15. | sterna sp. | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 3 | 2 | 1 | 1 (25 Jul) | 5 | 3 | 25 Jul | 31 Aug | ||||
| 16. | Sandwich Tern | 80 | 366 | 38 | 18 | 46 | 309 | 413 | 44 | 0 | 1314 | 311 | 1003 | 320 ( 7 Sep) | 79 | 49 | 3 Mar | 31 Oct | ||||
| 17. | Kittiwake | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 0 | 3 | 2 (31 Oct) | 3 | 2 | 31 Oct | 8 Nov | ||||
| 18. | Black-headed Gull | 11 | 0 | 0 | 0 | 32 | 42 | 0 | 2 | 1 | 88 | 46 | 42 | 16 (12 Jul) | 34 | 21 | 23 Mar | 8 Nov | ||||
| 19. | Mediterranean Gull | 8 | 6 | 1 | 6 | 45 | 49 | 37 | 30 | 0 | 182 | 80 | 102 | 16 (12 Jul) | 60 | 37 | 23 Mar | 31 Oct | ||||
| 20. | Common Gull | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (23 Mar) | 2 | 1 | 23 Mar | 23 Mar | ||||
| 21. | Herring Gull | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 3 | 1 | 2 | 1 (23 Mar) | 5 | 3 | 23 Mar | 5 Oct | ||||
| 22. | Great Black-backed Gull | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 3 | 3 | 0 | 1 (23 Mar) | 5 | 3 | 23 Mar | 26 Oct | ||||
| 23. | Lesser Black-backed Gull | 128 | 484 | 274 | 6 | 167 | 4492 | 2663 | 1095 | 20 | 9329 | 1035 | 8294 | 1666 (27 Sep) | 79 | 49 | 17 Mar | 8 Nov | ||||
| 24. | Larus graellsii | 1642 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1642 | 1634 | 8 | 976 (29 Mar) | 8 | 5 | 3 Mar | 31 Mar | ||||
| 25. | Larus intermedius | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 6 | 1 | 7 ( 2 Apr) | 2 | 1 | 2 Apr | 2 Apr | ||||
| 26. | skua sp. | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (27 Aug) | 2 | 1 | 27 Aug | 27 Aug | ||||
| 27. | Arctic Skua | 2 | 1 | 1 | 1 | 5 | 21 | 3 | 2 | 0 | 36 | 11 | 25 | 12 (31 Aug) | 26 | 16 | 17 Mar | 3 Oct | ||||
| 28. | S. parasiticus / pomarinus | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 4 | 1 | 3 | 2 (31 Aug) | 5 | 3 | 17 Apr | 31 Aug | ||||
| 29. | Pomarine Skua | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 (27 Sep) | 2 | 1 | 27 Sep | 27 Sep | ||||
| 30. | Great Skua | 2 | 1 | 0 | 1 | 2 | 1 | 0 | 1 | 0 | 8 | 6 | 2 | 2 (12 Jul) | 11 | 7 | 23 Mar | 3 Oct | ||||
| Species | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Totals | N | S | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Puffin | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 ( 3 Mar) | 2 | 1 | 3 Mar | 3 Mar | ||||
| 32. | Razorbill | 46 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 56 | 47 | 9 | 27 ( 3 Mar) | 15 | 9 | 3 Mar | 26 Apr | ||||
| 33. | Razorbill/Guillemot | 240 | 21 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 268 | 256 | 12 | 124 (17 Mar) | 21 | 13 | 3 Mar | 1 May | ||||
| 34. | Guillemot | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 0 | 2 (17 Mar) | 5 | 3 | 3 Mar | 27 Mar | ||||
| 35. | Great Northern Diver | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (15 May) | 2 | 1 | 15 May | 15 May | ||||
| 36. | Wilson's Storm-Petrel | 0 | 0 | 0 | 0 | 0 | 0 | 41 | 0 | 0 | 41 | 0 | 41 | 32 ( 7 Sep) | 5 | 3 | 7 Sep | 15 Sep | ||||
| 37. | Storm Petrel | 0 | 0 | 0 | 0 | 0 | 4 | 87 | 8 | 0 | 99 | 14 | 85 | 55 ( 7 Sep) | 11 | 7 | 2 Aug | 31 Oct | ||||
| 38. | Cory's Shearwater | 10 | 61 | 41 | 98 | 254 | 1357 | 429 | 394 | 0 | 2644 | 2281 | 363 | 655 (30 Aug) | 84 | 52 | 27 Mar | 31 Oct | ||||
| 39. | Cory's/Scopoli's Shearwater | 0 | 0 | 0 | 119 | 851 | 1346 | 95 | 0 | 0 | 2411 | 2092 | 319 | 382 ( 5 Jul) | 47 | 29 | 15 Jun | 7 Sep | ||||
| 40. | Scopoli's Shearwater | 0 | 0 | 0 | 2 | 10 | 0 | 0 | 0 | 0 | 12 | 11 | 1 | 5 ( 5 Jul) | 8 | 5 | 22 Jun | 19 Jul | ||||
| 41. | Sooty Shearwater | 0 | 0 | 0 | 0 | 6 | 12 | 3 | 4 | 0 | 25 | 19 | 6 | 4 (20 Jul) | 19 | 12 | 5 Jul | 3 Oct | ||||
| 42. | Great Shearwater | 1 | 0 | 0 | 0 | 0 | 2 | 8 | 0 | 0 | 11 | 2 | 9 | 8 ( 7 Sep) | 6 | 4 | 17 Mar | 7 Sep | ||||
| 43. | Manx Shearwater | 38 | 1 | 0 | 5 | 18 | 20 | 6 | 6 | 0 | 94 | 77 | 17 | 15 (24 Mar) | 47 | 29 | 3 Mar | 5 Oct | ||||
| 44. | Yelkouan Shearwater | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 ( 6 Jul) | 2 | 1 | 6 Jul | 6 Jul | ||||
| 45. | Balearic Shearwater | 148 | 38 | 624 | 951 | 1122 | 785 | 76 | 4041 | 114 | 7899 | 4900 | 2999 | 2757 (31 Oct) | 94 | 58 | 3 Mar | 8 Nov | ||||
| 46. | Balearic-/Yelkouan Shearwater | 0 | 0 | 1 | 13 | 13 | 0 | 0 | 0 | 0 | 27 | 27 | 0 | 9 ( 1 Jun) | 11 | 7 | 1 May | 27 Jul | ||||
| 47. | shearwater sp. | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 3 | 3 | 0 | 2 (28 Aug) | 3 | 2 | 15 Aug | 28 Aug | ||||
| 48. | Gannet | 3378 | 4667 | 2358 | 2084 | 1587 | 993 | 717 | 1189 | 137 | 17110 | 13877 | 3233 | 1444 ( 1 Jun) | 94 | 58 | 3 Mar | 8 Nov | ||||
| 49. | Cormorant | 4 | 9 | 0 | 0 | 4 | 0 | 4 | 11 | 0 | 32 | 3 | 29 | 6 ( 4 Apr) | 23 | 14 | 24 Mar | 31 Oct | ||||
| 50. | Cormorant (p. c. carbo) | 44 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 54 | 0 | 54 | 20 (27 Mar) | 8 | 5 | 3 Mar | 2 Apr | ||||
| 51. | Shag | 49 | 30 | 32 | 29 | 38 | 84 | 61 | 68 | 4 | 395 | 41 | 354 | 38 (11 Oct) | 90 | 56 | 3 Mar | 8 Nov | ||||
| 52. | Glossy Ibis | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 5 | 0 | 5 | 5 ( 7 Sep) | 2 | 1 | 7 Sep | 7 Sep | ||||
| 53. | Little Egret | 4 | 0 | 1 | 0 | 0 | 2 | 0 | 4 | 0 | 11 | 2 | 9 | 3 ( 3 Mar) | 11 | 7 | 3 Mar | 11 Oct | ||||
| 54. | Grey Heron | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 3 | 2 | 1 | 1 ( 2 Apr) | 5 | 3 | 2 Apr | 15 Sep | ||||
| 55. | Hoopoe | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (20 Jul) | 2 | 1 | 20 Jul | 20 Jul | ||||
| 56. | Sand Martin | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 3 (29 Mar) | 2 | 1 | 29 Mar | 29 Mar | ||||
| 57. | Swallow | 1 | 37 | 13 | 7 | 12 | 94 | 7 | 0 | 0 | 171 | 144 | 27 | 41 (31 Aug) | 35 | 22 | 27 Mar | 11 Sep | ||||
| 58. | Red-rumped Swallow | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 3 | 3 | 0 | 2 (10 Aug) | 3 | 2 | 26 Jul | 10 Aug | ||||
| 59. | Grey Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (26 Oct) | 2 | 1 | 26 Oct | 26 Oct | ||||
| 60. | White Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 9 | 0 | 9 | 9 (31 Oct) | 2 | 1 | 31 Oct | 31 Oct | ||||
| Species | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Totals | N | S | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Goldfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 30 | 0 | 30 | 30 (31 Oct) | 2 | 1 | 31 Oct | 31 Oct | ||||
| Other species | ||||||||||||||||||||||
| Species | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Totals | N | S | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Harbour Porpoise | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 2 | 2 (15 Sep) | 2 | 1 | 15 Sep | 15 Sep | ||||
| Species | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Totals | N | S | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 6108 | 6626 | 3472 | 3383 | 4313 | 10092 | 5038 | 7014 | 277 | 46323 | 28259 | 18064 | 100 | 62 | ||||||||
| Observation hours | 15:30 | 16:00 | 13:30 | 12:00 | 28:00 | 32:45 | 14:10 | 11:00 | 2:00 | 144:55 | ||||||||||||
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