Also present
Totals Söderskär (Borgå) 2025
| Species | May | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 95 | 95 | 0 | 95 | 85 (12 May) | 25 | 4 | 10 May | 14 May | ||||
| 2. | Canada Goose | 1 | 1 | 0 | 1 | 1 ( 6 May) | 6 | 1 | 6 May | 6 May | ||||
| 3. | Barnacle Goose | 42064 | 42064 | 131 | 41933 | 16926 ( 3 May) | 94 | 15 | 1 May | 15 May | ||||
| 4. | Branta sp. | 3 | 3 | 0 | 3 | 3 (13 May) | 6 | 1 | 13 May | 13 May | ||||
| 5. | Greylag Goose | 4 | 4 | 0 | 4 | 3 ( 6 May) | 13 | 2 | 6 May | 8 May | ||||
| 6. | Anser sp. | 1661 | 1661 | 0 | 1661 | 1577 (11 May) | 19 | 3 | 10 May | 13 May | ||||
| 7. | goose sp. | 13907 | 13907 | 0 | 13907 | 4105 ( 9 May) | 88 | 14 | 2 May | 16 May | ||||
| 8. | Taiga Bean Goose | 1 | 1 | 0 | 1 | 1 ( 7 May) | 6 | 1 | 7 May | 7 May | ||||
| 9. | Tundra Bean Goose | 178 | 178 | 2 | 176 | 64 (10 May) | 44 | 7 | 7 May | 13 May | ||||
| 10. | Bean Goose sp. | 53 | 53 | 0 | 53 | 49 ( 7 May) | 13 | 2 | 2 May | 7 May | ||||
| 11. | Eurasian White-fronted Goose | 55 | 55 | 0 | 55 | 31 ( 7 May) | 38 | 6 | 3 May | 13 May | ||||
| 12. | Mute Swan | 28 | 28 | 7 | 21 | 10 ( 6 May) | 44 | 7 | 3 May | 16 May | ||||
| 13. | Whooper Swan | 12 | 12 | 0 | 12 | 7 ( 2 May) | 19 | 3 | 2 May | 13 May | ||||
| 14. | swan sp. | 6 | 6 | 5 | 1 | 3 (11 May) | 19 | 3 | 10 May | 12 May | ||||
| 15. | Garganey | 2 | 2 | 0 | 2 | 2 ( 2 May) | 6 | 1 | 2 May | 2 May | ||||
| 16. | Shoveler | 43 | 43 | 0 | 43 | 21 ( 2 May) | 25 | 4 | 2 May | 10 May | ||||
| 17. | Gadwall | 5 | 5 | 0 | 5 | 2 ( 8 May) | 19 | 3 | 7 May | 9 May | ||||
| 18. | Wigeon | 81 | 81 | 3 | 78 | 20 ( 2 May) | 50 | 8 | 2 May | 14 May | ||||
| 19. | Pintail | 30 | 30 | 0 | 30 | 14 ( 4 May) | 19 | 3 | 1 May | 4 May | ||||
| 20. | Teal | 293 | 293 | 0 | 293 | 232 ( 2 May) | 50 | 8 | 2 May | 14 May | ||||
| 21. | dabbling duck sp. | 15 | 15 | 0 | 15 | 15 ( 2 May) | 6 | 1 | 2 May | 2 May | ||||
| 22. | duck sp. | 55877 | 55877 | 3 | 55874 | 50940 (13 May) | 50 | 8 | 2 May | 16 May | ||||
| 23. | Tufted Duck | 134 | 134 | 0 | 134 | 28 (12 May) | 63 | 10 | 1 May | 14 May | ||||
| 24. | Scaup | 391 | 391 | 2 | 389 | 357 ( 2 May) | 31 | 5 | 2 May | 14 May | ||||
| 25. | Aythya sp. | 15 | 15 | 0 | 15 | 9 ( 2 May) | 13 | 2 | 2 May | 12 May | ||||
| 26. | Steller's Eider | 39 | 39 | 0 | 39 | 34 ( 2 May) | 19 | 3 | 2 May | 13 May | ||||
| 27. | Eider | 1392 | 1392 | 825 | 567 | 172 ( 7 May) | 100 | 16 | 1 May | 16 May | ||||
| 28. | Velvet Scoter | 960 | 960 | 58 | 902 | 166 (10 May) | 94 | 15 | 1 May | 16 May | ||||
| 29. | Common Scoter | 119498 | 119498 | 182 | 119316 | 25552 (14 May) | 100 | 16 | 1 May | 16 May | ||||
| 30. | Long-tailed Duck | 64524 | 64524 | 641 | 63883 | 37006 (13 May) | 100 | 16 | 1 May | 16 May | ||||
| Species | May | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Goldeneye | 43 | 43 | 26 | 17 | 9 (13 May) | 50 | 8 | 2 May | 16 May | ||||
| 32. | Goosander | 98 | 98 | 29 | 69 | 28 ( 9 May) | 88 | 14 | 1 May | 14 May | ||||
| 33. | Red-breasted Merganser | 308 | 308 | 18 | 290 | 55 ( 9 May) | 100 | 16 | 1 May | 16 May | ||||
| 34. | Swift | 3 | 3 | 0 | 3 | 2 (14 May) | 13 | 2 | 14 May | 16 May | ||||
| 35. | Feral Pigeon | 1 | 1 | 0 | 1 | 1 (13 May) | 6 | 1 | 13 May | 13 May | ||||
| 36. | Crane | 38 | 38 | 2 | 36 | 26 ( 3 May) | 31 | 5 | 2 May | 13 May | ||||
| 37. | Red-necked Grebe | 20 | 20 | 0 | 20 | 6 ( 3 May) | 50 | 8 | 1 May | 13 May | ||||
| 38. | Great Crested Grebe | 9 | 9 | 2 | 7 | 7 (12 May) | 19 | 3 | 3 May | 12 May | ||||
| 39. | Oystercatcher | 25 | 25 | 2 | 23 | 21 ( 5 May) | 25 | 4 | 5 May | 16 May | ||||
| 40. | Grey Plover | 1 | 1 | 0 | 1 | 1 ( 3 May) | 6 | 1 | 3 May | 3 May | ||||
| 41. | Golden Plover | 25 | 25 | 0 | 25 | 23 ( 4 May) | 19 | 3 | 4 May | 12 May | ||||
| 42. | Whimbrel | 800 | 800 | 10 | 790 | 244 ( 9 May) | 69 | 11 | 4 May | 15 May | ||||
| 43. | Curlew | 14 | 14 | 0 | 14 | 5 (11 May) | 38 | 6 | 8 May | 16 May | ||||
| 44. | Numenius sp. | 17 | 17 | 0 | 17 | 6 ( 2 May) | 25 | 4 | 2 May | 13 May | ||||
| 45. | Bar-tailed Godwit | 5833 | 5833 | 0 | 5833 | 2150 ( 9 May) | 81 | 13 | 2 May | 16 May | ||||
| 46. | Black-tailed Godwit | 1 | 1 | 0 | 1 | 1 (11 May) | 6 | 1 | 11 May | 11 May | ||||
| 47. | Wood Sandpiper | 195 | 195 | 0 | 195 | 96 (11 May) | 38 | 6 | 4 May | 16 May | ||||
| 48. | Redshank | 3 | 3 | 0 | 3 | 2 ( 6 May) | 13 | 2 | 6 May | 15 May | ||||
| 49. | Spotted Redshank | 8 | 8 | 0 | 8 | 4 ( 8 May) | 19 | 3 | 8 May | 16 May | ||||
| 50. | Greenshank | 31 | 31 | 0 | 31 | 19 ( 8 May) | 25 | 4 | 5 May | 9 May | ||||
| 51. | Turnstone | 1 | 1 | 0 | 1 | 1 (12 May) | 6 | 1 | 12 May | 12 May | ||||
| 52. | Knot | 30 | 30 | 0 | 30 | 28 ( 9 May) | 13 | 2 | 8 May | 9 May | ||||
| 53. | Ruff | 7 | 7 | 0 | 7 | 4 (16 May) | 13 | 2 | 7 May | 16 May | ||||
| 54. | wader sp. | 6 | 6 | 0 | 6 | 6 (12 May) | 6 | 1 | 12 May | 12 May | ||||
| 55. | small wader | 25 | 25 | 0 | 25 | 10 (14 May) | 25 | 4 | 6 May | 16 May | ||||
| 56. | large wader | 894 | 894 | 0 | 894 | 470 ( 7 May) | 44 | 7 | 3 May | 14 May | ||||
| 57. | Temminck's Stint | 4 | 4 | 0 | 4 | 4 (16 May) | 6 | 1 | 16 May | 16 May | ||||
| 58. | Dunlin | 34 | 34 | 0 | 34 | 12 (14 May) | 25 | 4 | 12 May | 16 May | ||||
| 59. | Caspian Tern | 1 | 1 | 0 | 1 | 1 ( 6 May) | 6 | 1 | 6 May | 6 May | ||||
| 60. | Arctic Tern | 507 | 507 | 2 | 505 | 205 ( 8 May) | 81 | 13 | 2 May | 16 May | ||||
| Species | May | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Common/Arctic Tern | 349 | 349 | 1 | 348 | 62 ( 2 May) | 94 | 15 | 1 May | 16 May | ||||
| 62. | Common Tern | 140 | 140 | 0 | 140 | 20 ( 5 May) | 88 | 14 | 1 May | 16 May | ||||
| 63. | Little Gull | 27 | 27 | 3 | 24 | 15 ( 2 May) | 44 | 7 | 2 May | 16 May | ||||
| 64. | Black-headed Gull | 12 | 12 | 0 | 12 | 8 ( 9 May) | 13 | 2 | 3 May | 9 May | ||||
| 65. | Common Gull | 87 | 87 | 2 | 85 | 68 ( 8 May) | 44 | 7 | 4 May | 13 May | ||||
| 66. | Herring Gull | 23 | 23 | 0 | 23 | 14 ( 8 May) | 25 | 4 | 7 May | 10 May | ||||
| 67. | Lesser Black-backed Gull | 20 | 20 | 2 | 18 | 5 ( 8 May) | 63 | 10 | 2 May | 16 May | ||||
| 68. | Larus fuscus fuscus | 3 | 3 | 0 | 3 | 2 ( 7 May) | 13 | 2 | 7 May | 8 May | ||||
| 69. | skua sp. | 5 | 5 | 1 | 4 | 3 ( 3 May) | 19 | 3 | 2 May | 12 May | ||||
| 70. | Arctic Skua | 93 | 93 | 18 | 75 | 16 (13 May) | 94 | 15 | 1 May | 16 May | ||||
| 71. | Pomarine Skua | 1 | 1 | 1 | 0 | 1 (10 May) | 6 | 1 | 10 May | 10 May | ||||
| 72. | Black Guillemot | 8 | 8 | 2 | 6 | 3 ( 9 May) | 31 | 5 | 1 May | 16 May | ||||
| 73. | Razorbill | 202 | 202 | 20 | 182 | 74 ( 9 May) | 100 | 16 | 1 May | 16 May | ||||
| 74. | Razorbill/Guillemot | 14 | 14 | 2 | 12 | 5 ( 2 May) | 31 | 5 | 2 May | 9 May | ||||
| 75. | Guillemot | 19 | 19 | 2 | 17 | 3 ( 3 May) | 69 | 11 | 2 May | 14 May | ||||
| 76. | Red-throated Diver | 203 | 203 | 10 | 193 | 33 ( 2 May) | 94 | 15 | 2 May | 16 May | ||||
| 77. | Black-throated Diver | 3502 | 3502 | 36 | 3466 | 714 (14 May) | 100 | 16 | 1 May | 16 May | ||||
| 78. | White-billed Diver | 2 | 2 | 0 | 2 | 1 (11 May) | 13 | 2 | 11 May | 12 May | ||||
| 79. | diver sp. | 1075 | 1075 | 8 | 1067 | 318 (13 May) | 94 | 15 | 1 May | 16 May | ||||
| 80. | Gannet | 1 | 1 | 0 | 1 | 1 ( 3 May) | 6 | 1 | 3 May | 3 May | ||||
| 81. | Cormorant | 224 | 224 | 38 | 186 | 47 (13 May) | 88 | 14 | 2 May | 16 May | ||||
| 82. | Great White Egret | 6 | 6 | 0 | 6 | 6 (11 May) | 6 | 1 | 11 May | 11 May | ||||
| 83. | Grey Heron | 7 | 7 | 3 | 4 | 3 (13 May) | 25 | 4 | 4 May | 14 May | ||||
| 84. | Osprey | 5 | 5 | 0 | 5 | 3 ( 5 May) | 19 | 3 | 5 May | 14 May | ||||
| 85. | Honey Buzzard | 1 | 1 | 0 | 1 | 1 (13 May) | 6 | 1 | 13 May | 13 May | ||||
| 86. | Sparrowhawk | 4 | 4 | 0 | 4 | 2 (10 May) | 19 | 3 | 4 May | 11 May | ||||
| 87. | Goshawk | 1 | 1 | 0 | 1 | 1 (11 May) | 6 | 1 | 11 May | 11 May | ||||
| 88. | Marsh Harrier | 7 | 7 | 0 | 7 | 2 ( 3 May) | 25 | 4 | 3 May | 10 May | ||||
| 89. | Hen Harrier | 1 | 1 | 0 | 1 | 1 (15 May) | 6 | 1 | 15 May | 15 May | ||||
| 90. | Common Buzzard | 2 | 2 | 0 | 2 | 1 ( 5 May) | 13 | 2 | 5 May | 7 May | ||||
| Species | May | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 91. | MediumRaptor | 1 | 1 | 0 | 1 | 1 ( 9 May) | 6 | 1 | 9 May | 9 May | ||||
| 92. | Wryneck | 1 | 1 | 0 | 1 | 1 (16 May) | 6 | 1 | 16 May | 16 May | ||||
| 93. | Kestrel | 6 | 6 | 0 | 6 | 3 ( 5 May) | 25 | 4 | 3 May | 16 May | ||||
| 94. | Merlin | 1 | 1 | 0 | 1 | 1 (13 May) | 6 | 1 | 13 May | 13 May | ||||
| 95. | Hobby | 11 | 11 | 2 | 9 | 2 ( 7 May) | 50 | 8 | 3 May | 16 May | ||||
| 96. | Jackdaw | 2 | 2 | 0 | 2 | 2 (11 May) | 6 | 1 | 11 May | 11 May | ||||
| 97. | Hooded Crow | 4 | 4 | 0 | 4 | 2 (16 May) | 19 | 3 | 5 May | 16 May | ||||
| 98. | Skylark | 1 | 1 | 0 | 1 | 1 ( 3 May) | 6 | 1 | 3 May | 3 May | ||||
| 99. | Swallow | 49 | 49 | 0 | 49 | 22 (16 May) | 56 | 9 | 2 May | 16 May | ||||
| 100. | House Martin | 10 | 10 | 0 | 10 | 5 (11 May) | 19 | 3 | 11 May | 16 May | ||||
| 101. | Willow Warbler | 2 | 2 | 0 | 2 | 2 (16 May) | 6 | 1 | 16 May | 16 May | ||||
| 102. | Starling | 4 | 4 | 0 | 4 | 2 ( 6 May) | 13 | 2 | 6 May | 8 May | ||||
| 103. | Yellow wagtail sp. | 29 | 29 | 0 | 29 | 13 (11 May) | 44 | 7 | 7 May | 16 May | ||||
| 104. | Citrine Wagtail | 1 | 1 | 0 | 1 | 1 ( 3 May) | 6 | 1 | 3 May | 3 May | ||||
| 105. | White Wagtail | 41 | 41 | 3 | 38 | 18 ( 8 May) | 63 | 10 | 3 May | 16 May | ||||
| 106. | alba wagtail sp. | 4 | 4 | 0 | 4 | 3 (11 May) | 13 | 2 | 11 May | 12 May | ||||
| 107. | Meadow Pipit | 3 | 3 | 0 | 3 | 3 (14 May) | 6 | 1 | 14 May | 14 May | ||||
| 108. | Tree Pipit | 1 | 1 | 0 | 1 | 1 ( 7 May) | 6 | 1 | 7 May | 7 May | ||||
| 109. | pipit sp. | 2 | 2 | 0 | 2 | 1 ( 3 May) | 13 | 2 | 3 May | 11 May | ||||
| 110. | Linnet | 2 | 2 | 0 | 2 | 1 ( 4 May) | 13 | 2 | 4 May | 13 May | ||||
| 111. | Serin | 1 | 1 | 0 | 1 | 1 ( 5 May) | 6 | 1 | 5 May | 5 May | ||||
| 112. | Siskin | 3 | 3 | 0 | 3 | 3 (15 May) | 6 | 1 | 15 May | 15 May | ||||
| 113. | Reed Bunting | 2 | 2 | 0 | 2 | 1 ( 4 May) | 13 | 2 | 4 May | 9 May | ||||
| 114. | passerine sp. | 25 | 25 | 0 | 25 | 10 (15 May) | 31 | 5 | 4 May | 16 May | ||||
| Species | May | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 316599 | 316599 | 2104 | 314495 | 100 | 16 | ||||||||
| Observation hours | 202:55 | 202:55 | ||||||||||||
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