Also present
Totals Söderskär (Borgå) 2025
| Species | May | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Canada Goose | 1 | 1 | 0 | 1 | 1 ( 6 May) | 17 | 1 | 6 May | 6 May | ||||
| 2. | Barnacle Goose | 21128 | 21128 | 1 | 21127 | 16926 ( 3 May) | 100 | 6 | 1 May | 6 May | ||||
| 3. | Greylag Goose | 3 | 3 | 0 | 3 | 3 ( 6 May) | 17 | 1 | 6 May | 6 May | ||||
| 4. | goose sp. | 2698 | 2698 | 0 | 2698 | 1250 ( 2 May) | 67 | 4 | 2 May | 6 May | ||||
| 5. | Bean Goose sp. | 4 | 4 | 0 | 4 | 4 ( 2 May) | 17 | 1 | 2 May | 2 May | ||||
| 6. | Eurasian White-fronted Goose | 1 | 1 | 0 | 1 | 1 ( 3 May) | 17 | 1 | 3 May | 3 May | ||||
| 7. | Mute Swan | 12 | 12 | 2 | 10 | 10 ( 6 May) | 33 | 2 | 3 May | 6 May | ||||
| 8. | Whooper Swan | 7 | 7 | 0 | 7 | 7 ( 2 May) | 17 | 1 | 2 May | 2 May | ||||
| 9. | Garganey | 2 | 2 | 0 | 2 | 2 ( 2 May) | 17 | 1 | 2 May | 2 May | ||||
| 10. | Shoveler | 29 | 29 | 0 | 29 | 21 ( 2 May) | 33 | 2 | 2 May | 6 May | ||||
| 11. | Wigeon | 42 | 42 | 0 | 42 | 20 ( 2 May) | 50 | 3 | 2 May | 5 May | ||||
| 12. | Pintail | 30 | 30 | 0 | 30 | 14 ( 4 May) | 50 | 3 | 1 May | 4 May | ||||
| 13. | Teal | 246 | 246 | 0 | 246 | 232 ( 2 May) | 50 | 3 | 2 May | 6 May | ||||
| 14. | dabbling duck sp. | 15 | 15 | 0 | 15 | 15 ( 2 May) | 17 | 1 | 2 May | 2 May | ||||
| 15. | duck sp. | 224 | 224 | 0 | 224 | 224 ( 2 May) | 17 | 1 | 2 May | 2 May | ||||
| 16. | Tufted Duck | 50 | 50 | 0 | 50 | 22 ( 2 May) | 83 | 5 | 1 May | 6 May | ||||
| 17. | Scaup | 367 | 367 | 2 | 365 | 357 ( 2 May) | 50 | 3 | 2 May | 6 May | ||||
| 18. | Aythya sp. | 9 | 9 | 0 | 9 | 9 ( 2 May) | 17 | 1 | 2 May | 2 May | ||||
| 19. | Steller's Eider | 36 | 36 | 0 | 36 | 34 ( 2 May) | 33 | 2 | 2 May | 6 May | ||||
| 20. | Eider | 567 | 567 | 255 | 312 | 171 ( 5 May) | 100 | 6 | 1 May | 6 May | ||||
| 21. | Velvet Scoter | 230 | 230 | 11 | 219 | 99 ( 6 May) | 100 | 6 | 1 May | 6 May | ||||
| 22. | Common Scoter | 49119 | 49119 | 93 | 49026 | 22173 ( 2 May) | 100 | 6 | 1 May | 6 May | ||||
| 23. | Long-tailed Duck | 3048 | 3048 | 272 | 2776 | 1366 ( 6 May) | 100 | 6 | 1 May | 6 May | ||||
| 24. | Goldeneye | 3 | 3 | 0 | 3 | 3 ( 2 May) | 17 | 1 | 2 May | 2 May | ||||
| 25. | Goosander | 35 | 35 | 12 | 23 | 16 ( 4 May) | 100 | 6 | 1 May | 6 May | ||||
| 26. | Red-breasted Merganser | 117 | 117 | 5 | 112 | 39 ( 2 May) | 100 | 6 | 1 May | 6 May | ||||
| 27. | Crane | 34 | 34 | 0 | 34 | 26 ( 3 May) | 33 | 2 | 2 May | 3 May | ||||
| 28. | Red-necked Grebe | 12 | 12 | 0 | 12 | 6 ( 3 May) | 67 | 4 | 1 May | 5 May | ||||
| 29. | Great Crested Grebe | 1 | 1 | 1 | 0 | 1 ( 3 May) | 17 | 1 | 3 May | 3 May | ||||
| 30. | Oystercatcher | 21 | 21 | 0 | 21 | 21 ( 5 May) | 17 | 1 | 5 May | 5 May | ||||
| Species | May | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Grey Plover | 1 | 1 | 0 | 1 | 1 ( 3 May) | 17 | 1 | 3 May | 3 May | ||||
| 32. | Golden Plover | 23 | 23 | 0 | 23 | 23 ( 4 May) | 17 | 1 | 4 May | 4 May | ||||
| 33. | Whimbrel | 81 | 81 | 0 | 81 | 37 ( 6 May) | 50 | 3 | 4 May | 6 May | ||||
| 34. | Numenius sp. | 9 | 9 | 0 | 9 | 6 ( 2 May) | 33 | 2 | 2 May | 6 May | ||||
| 35. | Bar-tailed Godwit | 399 | 399 | 0 | 399 | 358 ( 6 May) | 50 | 3 | 2 May | 6 May | ||||
| 36. | Wood Sandpiper | 10 | 10 | 0 | 10 | 10 ( 4 May) | 17 | 1 | 4 May | 4 May | ||||
| 37. | Redshank | 2 | 2 | 0 | 2 | 2 ( 6 May) | 17 | 1 | 6 May | 6 May | ||||
| 38. | Spotted Redshank | 1 | 1 | 0 | 1 | 1 ( 3 May) | 17 | 1 | 3 May | 3 May | ||||
| 39. | Greenshank | 8 | 8 | 0 | 8 | 5 ( 6 May) | 33 | 2 | 5 May | 6 May | ||||
| 40. | small wader | 2 | 2 | 0 | 2 | 2 ( 6 May) | 17 | 1 | 6 May | 6 May | ||||
| 41. | large wader | 77 | 77 | 0 | 77 | 51 ( 6 May) | 33 | 2 | 3 May | 6 May | ||||
| 42. | Caspian Tern | 1 | 1 | 0 | 1 | 1 ( 6 May) | 17 | 1 | 6 May | 6 May | ||||
| 43. | Arctic Tern | 38 | 38 | 0 | 38 | 21 ( 4 May) | 67 | 4 | 2 May | 5 May | ||||
| 44. | Common/Arctic Tern | 173 | 173 | 1 | 172 | 62 ( 2 May) | 100 | 6 | 1 May | 6 May | ||||
| 45. | Common Tern | 72 | 72 | 0 | 72 | 20 ( 5 May) | 100 | 6 | 1 May | 6 May | ||||
| 46. | Little Gull | 21 | 21 | 3 | 18 | 15 ( 2 May) | 50 | 3 | 2 May | 6 May | ||||
| 47. | Black-headed Gull | 4 | 4 | 0 | 4 | 4 ( 3 May) | 17 | 1 | 3 May | 3 May | ||||
| 48. | Common Gull | 1 | 1 | 1 | 0 | 1 ( 4 May) | 17 | 1 | 4 May | 4 May | ||||
| 49. | Lesser Black-backed Gull | 2 | 2 | 0 | 2 | 1 ( 2 May) | 33 | 2 | 2 May | 6 May | ||||
| 50. | skua sp. | 4 | 4 | 1 | 3 | 3 ( 3 May) | 33 | 2 | 2 May | 3 May | ||||
| 51. | Arctic Skua | 18 | 18 | 2 | 16 | 10 ( 6 May) | 83 | 5 | 1 May | 6 May | ||||
| 52. | Black Guillemot | 3 | 3 | 2 | 1 | 1 ( 1 May) | 50 | 3 | 1 May | 4 May | ||||
| 53. | Razorbill | 67 | 67 | 2 | 65 | 24 ( 6 May) | 100 | 6 | 1 May | 6 May | ||||
| 54. | Razorbill/Guillemot | 12 | 12 | 2 | 10 | 5 ( 2 May) | 67 | 4 | 2 May | 6 May | ||||
| 55. | Guillemot | 6 | 6 | 2 | 4 | 3 ( 3 May) | 67 | 4 | 2 May | 6 May | ||||
| 56. | Red-throated Diver | 99 | 99 | 4 | 95 | 33 ( 2 May) | 83 | 5 | 2 May | 6 May | ||||
| 57. | Black-throated Diver | 436 | 436 | 14 | 422 | 239 ( 6 May) | 100 | 6 | 1 May | 6 May | ||||
| 58. | diver sp. | 250 | 250 | 2 | 248 | 111 ( 2 May) | 83 | 5 | 1 May | 6 May | ||||
| 59. | Gannet | 1 | 1 | 0 | 1 | 1 ( 3 May) | 17 | 1 | 3 May | 3 May | ||||
| 60. | Cormorant | 52 | 52 | 11 | 41 | 16 ( 4 May) | 83 | 5 | 2 May | 6 May | ||||
| Species | May | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Grey Heron | 2 | 2 | 0 | 2 | 2 ( 4 May) | 17 | 1 | 4 May | 4 May | ||||
| 62. | Osprey | 3 | 3 | 0 | 3 | 3 ( 5 May) | 17 | 1 | 5 May | 5 May | ||||
| 63. | Sparrowhawk | 1 | 1 | 0 | 1 | 1 ( 4 May) | 17 | 1 | 4 May | 4 May | ||||
| 64. | Marsh Harrier | 5 | 5 | 0 | 5 | 2 ( 3 May) | 50 | 3 | 3 May | 6 May | ||||
| 65. | Common Buzzard | 1 | 1 | 0 | 1 | 1 ( 5 May) | 17 | 1 | 5 May | 5 May | ||||
| 66. | Kestrel | 5 | 5 | 0 | 5 | 3 ( 5 May) | 50 | 3 | 3 May | 5 May | ||||
| 67. | Hobby | 4 | 4 | 2 | 2 | 1 ( 3 May) | 67 | 4 | 3 May | 6 May | ||||
| 68. | Hooded Crow | 1 | 1 | 0 | 1 | 1 ( 5 May) | 17 | 1 | 5 May | 5 May | ||||
| 69. | Skylark | 1 | 1 | 0 | 1 | 1 ( 3 May) | 17 | 1 | 3 May | 3 May | ||||
| 70. | Swallow | 4 | 4 | 0 | 4 | 3 ( 2 May) | 33 | 2 | 2 May | 3 May | ||||
| 71. | Starling | 2 | 2 | 0 | 2 | 2 ( 6 May) | 17 | 1 | 6 May | 6 May | ||||
| 72. | Citrine Wagtail | 1 | 1 | 0 | 1 | 1 ( 3 May) | 17 | 1 | 3 May | 3 May | ||||
| 73. | White Wagtail | 8 | 8 | 0 | 8 | 3 ( 3 May) | 67 | 4 | 3 May | 6 May | ||||
| 74. | pipit sp. | 1 | 1 | 0 | 1 | 1 ( 3 May) | 17 | 1 | 3 May | 3 May | ||||
| 75. | Linnet | 1 | 1 | 0 | 1 | 1 ( 4 May) | 17 | 1 | 4 May | 4 May | ||||
| 76. | Serin | 1 | 1 | 0 | 1 | 1 ( 5 May) | 17 | 1 | 5 May | 5 May | ||||
| 77. | Reed Bunting | 1 | 1 | 0 | 1 | 1 ( 4 May) | 17 | 1 | 4 May | 4 May | ||||
| 78. | passerine sp. | 7 | 7 | 0 | 7 | 4 ( 6 May) | 33 | 2 | 4 May | 6 May | ||||
| Species | May | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 80013 | 80013 | 703 | 79310 | 100 | 6 | ||||||||
| Observation hours | 75:02 | 75:02 | ||||||||||||
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