Also present
Totals Söderskär (Borgå) 2025
| Species | May | Jun | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 123580 | 768 | 124348 | 37 | 124311 | 67329 (25 May) | 61 | 22 | 10 May | 4 Jun | ||||
| 2. | Canada Goose | 2 | 0 | 2 | 0 | 2 | 1 ( 6 May) | 6 | 2 | 6 May | 23 May | ||||
| 3. | Barnacle Goose | 165571 | 30 | 165601 | 173 | 165428 | 102328 (20 May) | 78 | 28 | 1 May | 1 Jun | ||||
| 4. | Branta sp. | 3 | 0 | 3 | 0 | 3 | 3 (13 May) | 3 | 1 | 13 May | 13 May | ||||
| 5. | Snow/Ross's Goose | 1 | 0 | 1 | 0 | 1 | 1 (21 May) | 3 | 1 | 21 May | 21 May | ||||
| 6. | Greylag Goose | 22 | 8 | 30 | 4 | 26 | 8 (28 May) | 22 | 8 | 6 May | 4 Jun | ||||
| 7. | Anser sp. | 1822 | 0 | 1822 | 0 | 1822 | 1577 (11 May) | 22 | 8 | 10 May | 27 May | ||||
| 8. | goose sp. | 236872 | 0 | 236872 | 200 | 236672 | 176683 (20 May) | 69 | 25 | 2 May | 31 May | ||||
| 9. | Taiga Bean Goose | 1 | 0 | 1 | 0 | 1 | 1 ( 7 May) | 3 | 1 | 7 May | 7 May | ||||
| 10. | Tundra Bean Goose | 182 | 0 | 182 | 2 | 180 | 64 (10 May) | 25 | 9 | 7 May | 18 May | ||||
| 11. | Bean Goose sp. | 53 | 0 | 53 | 0 | 53 | 49 ( 7 May) | 6 | 2 | 2 May | 7 May | ||||
| 12. | Eurasian White-fronted Goose | 225 | 0 | 225 | 0 | 225 | 85 (19 May) | 28 | 10 | 3 May | 27 May | ||||
| 13. | Mute Swan | 57 | 1 | 58 | 25 | 33 | 10 ( 6 May) | 36 | 13 | 3 May | 4 Jun | ||||
| 14. | Whooper Swan | 115 | 8 | 123 | 5 | 118 | 65 (22 May) | 33 | 12 | 2 May | 3 Jun | ||||
| 15. | swan sp. | 82 | 0 | 82 | 7 | 75 | 42 (22 May) | 25 | 9 | 10 May | 28 May | ||||
| 16. | Garganey | 2 | 0 | 2 | 0 | 2 | 2 ( 2 May) | 3 | 1 | 2 May | 2 May | ||||
| 17. | Shoveler | 45 | 0 | 45 | 0 | 45 | 21 ( 2 May) | 14 | 5 | 2 May | 21 May | ||||
| 18. | Gadwall | 6 | 0 | 6 | 0 | 6 | 2 ( 8 May) | 11 | 4 | 7 May | 17 May | ||||
| 19. | Wigeon | 88 | 0 | 88 | 3 | 85 | 20 ( 2 May) | 28 | 10 | 2 May | 27 May | ||||
| 20. | Mallard | 10 | 11 | 21 | 11 | 10 | 6 (29 May) | 11 | 4 | 22 May | 2 Jun | ||||
| 21. | Pintail | 32 | 0 | 32 | 0 | 32 | 14 ( 4 May) | 11 | 4 | 1 May | 17 May | ||||
| 22. | Teal | 297 | 0 | 297 | 0 | 297 | 232 ( 2 May) | 31 | 11 | 2 May | 20 May | ||||
| 23. | dabbling duck sp. | 15 | 0 | 15 | 0 | 15 | 15 ( 2 May) | 3 | 1 | 2 May | 2 May | ||||
| 24. | duck sp. | 82291 | 0 | 82291 | 3 | 82288 | 50940 (13 May) | 50 | 18 | 2 May | 26 May | ||||
| 25. | Tufted Duck | 196 | 3 | 199 | 3 | 196 | 28 (12 May) | 44 | 16 | 1 May | 4 Jun | ||||
| 26. | Scaup | 640 | 0 | 640 | 2 | 638 | 357 ( 2 May) | 39 | 14 | 2 May | 26 May | ||||
| 27. | Aythya sp. | 17 | 0 | 17 | 0 | 17 | 9 ( 2 May) | 8 | 3 | 2 May | 20 May | ||||
| 28. | Steller's Eider | 39 | 0 | 39 | 0 | 39 | 34 ( 2 May) | 8 | 3 | 2 May | 13 May | ||||
| 29. | Eider | 2575 | 208 | 2783 | 2070 | 713 | 184 (18 May) | 100 | 36 | 1 May | 5 Jun | ||||
| 30. | Velvet Scoter | 3453 | 126 | 3579 | 243 | 3336 | 562 (22 May) | 97 | 35 | 1 May | 5 Jun | ||||
| Species | May | Jun | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Common Scoter | 151211 | 242 | 151453 | 373 | 151080 | 25552 (14 May) | 100 | 36 | 1 May | 5 Jun | ||||
| 32. | Long-tailed Duck | 409584 | 15 | 409599 | 716 | 408883 | 221133 (17 May) | 92 | 33 | 1 May | 4 Jun | ||||
| 33. | Goldeneye | 89 | 2 | 91 | 29 | 62 | 24 (23 May) | 36 | 13 | 2 May | 5 Jun | ||||
| 34. | Goosander | 160 | 0 | 160 | 48 | 112 | 28 ( 9 May) | 56 | 20 | 1 May | 31 May | ||||
| 35. | Red-breasted Merganser | 879 | 8 | 887 | 33 | 854 | 257 (17 May) | 78 | 28 | 1 May | 2 Jun | ||||
| 36. | Swift | 17 | 4 | 21 | 1 | 20 | 4 (17 May) | 25 | 9 | 14 May | 1 Jun | ||||
| 37. | Feral Pigeon | 1 | 0 | 1 | 0 | 1 | 1 (13 May) | 3 | 1 | 13 May | 13 May | ||||
| 38. | Woodpigeon | 1 | 0 | 1 | 0 | 1 | 1 (18 May) | 3 | 1 | 18 May | 18 May | ||||
| 39. | Crane | 55 | 3 | 58 | 8 | 50 | 26 ( 3 May) | 31 | 11 | 2 May | 4 Jun | ||||
| 40. | Red-necked Grebe | 26 | 0 | 26 | 0 | 26 | 6 ( 3 May) | 28 | 10 | 1 May | 19 May | ||||
| 41. | Great Crested Grebe | 11 | 0 | 11 | 2 | 9 | 7 (12 May) | 11 | 4 | 3 May | 20 May | ||||
| 42. | Oystercatcher | 40 | 0 | 40 | 2 | 38 | 21 ( 5 May) | 14 | 5 | 5 May | 17 May | ||||
| 43. | Grey Plover | 6141 | 0 | 6141 | 18 | 6123 | 2763 (25 May) | 17 | 6 | 3 May | 26 May | ||||
| 44. | Golden Plover | 25 | 0 | 25 | 0 | 25 | 23 ( 4 May) | 8 | 3 | 4 May | 12 May | ||||
| 45. | Ringed Plover | 2 | 0 | 2 | 0 | 2 | 2 (26 May) | 3 | 1 | 26 May | 26 May | ||||
| 46. | Little Ringed Plover | 1 | 0 | 1 | 0 | 1 | 1 (17 May) | 3 | 1 | 17 May | 17 May | ||||
| 47. | Whimbrel | 821 | 0 | 821 | 10 | 811 | 244 ( 9 May) | 42 | 15 | 4 May | 24 May | ||||
| 48. | Curlew | 14 | 0 | 14 | 0 | 14 | 5 (11 May) | 17 | 6 | 8 May | 16 May | ||||
| 49. | Numenius sp. | 17 | 0 | 17 | 0 | 17 | 6 ( 2 May) | 11 | 4 | 2 May | 13 May | ||||
| 50. | Bar-tailed Godwit | 7107 | 0 | 7107 | 0 | 7107 | 2150 ( 9 May) | 58 | 21 | 2 May | 27 May | ||||
| 51. | Black-tailed Godwit | 2 | 0 | 2 | 0 | 2 | 1 (11 May) | 6 | 2 | 11 May | 24 May | ||||
| 52. | Green Sandpiper | 1 | 0 | 1 | 0 | 1 | 1 (30 May) | 3 | 1 | 30 May | 30 May | ||||
| 53. | Wood Sandpiper | 199 | 0 | 199 | 0 | 199 | 96 (11 May) | 19 | 7 | 4 May | 21 May | ||||
| 54. | Redshank | 3 | 0 | 3 | 0 | 3 | 2 ( 6 May) | 6 | 2 | 6 May | 15 May | ||||
| 55. | Spotted Redshank | 8 | 0 | 8 | 0 | 8 | 4 ( 8 May) | 8 | 3 | 8 May | 16 May | ||||
| 56. | Greenshank | 31 | 0 | 31 | 0 | 31 | 19 ( 8 May) | 11 | 4 | 5 May | 9 May | ||||
| 57. | Turnstone | 1 | 0 | 1 | 0 | 1 | 1 (12 May) | 3 | 1 | 12 May | 12 May | ||||
| 58. | Knot | 1306 | 320 | 1626 | 0 | 1626 | 713 (25 May) | 31 | 11 | 8 May | 4 Jun | ||||
| 59. | Ruff | 17 | 0 | 17 | 0 | 17 | 10 (19 May) | 8 | 3 | 7 May | 19 May | ||||
| 60. | wader sp. | 38 | 0 | 38 | 0 | 38 | 15 (21 May) | 11 | 4 | 12 May | 21 May | ||||
| Species | May | Jun | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | small wader | 1764 | 0 | 1764 | 0 | 1764 | 700 (25 May) | 33 | 12 | 6 May | 28 May | ||||
| 62. | large wader | 11002 | 0 | 11002 | 250 | 10752 | 6662 (25 May) | 47 | 17 | 3 May | 28 May | ||||
| 63. | Temminck's Stint | 21 | 0 | 21 | 0 | 21 | 16 (22 May) | 8 | 3 | 16 May | 25 May | ||||
| 64. | Sanderling | 2 | 0 | 2 | 0 | 2 | 2 (26 May) | 3 | 1 | 26 May | 26 May | ||||
| 65. | Dunlin | 24632 | 0 | 24632 | 0 | 24632 | 20474 (21 May) | 31 | 11 | 12 May | 26 May | ||||
| 66. | Calidris sp. | 70 | 0 | 70 | 0 | 70 | 70 (21 May) | 3 | 1 | 21 May | 21 May | ||||
| 67. | Caspian Tern | 6 | 0 | 6 | 3 | 3 | 3 (24 May) | 8 | 3 | 6 May | 24 May | ||||
| 68. | Arctic Tern | 538 | 0 | 538 | 2 | 536 | 205 ( 8 May) | 44 | 16 | 2 May | 27 May | ||||
| 69. | Common/Arctic Tern | 480 | 0 | 480 | 1 | 479 | 88 (22 May) | 56 | 20 | 1 May | 23 May | ||||
| 70. | Common Tern | 149 | 0 | 149 | 0 | 149 | 20 ( 5 May) | 44 | 16 | 1 May | 21 May | ||||
| 71. | Sandwich Tern | 1 | 0 | 1 | 0 | 1 | 1 (20 May) | 3 | 1 | 20 May | 20 May | ||||
| 72. | Little Gull | 35 | 0 | 35 | 3 | 32 | 15 ( 2 May) | 28 | 10 | 2 May | 22 May | ||||
| 73. | Black-headed Gull | 12 | 0 | 12 | 0 | 12 | 8 ( 9 May) | 6 | 2 | 3 May | 9 May | ||||
| 74. | Common Gull | 87 | 0 | 87 | 2 | 85 | 68 ( 8 May) | 19 | 7 | 4 May | 13 May | ||||
| 75. | Herring Gull | 24 | 0 | 24 | 0 | 24 | 14 ( 8 May) | 14 | 5 | 7 May | 23 May | ||||
| 76. | Lesser Black-backed Gull | 27 | 0 | 27 | 2 | 25 | 5 ( 8 May) | 36 | 13 | 2 May | 23 May | ||||
| 77. | Larus fuscus fuscus | 3 | 0 | 3 | 0 | 3 | 2 ( 7 May) | 6 | 2 | 7 May | 8 May | ||||
| 78. | skua sp. | 13 | 0 | 13 | 2 | 11 | 3 ( 3 May) | 22 | 8 | 2 May | 30 May | ||||
| 79. | Arctic Skua | 347 | 4 | 351 | 39 | 312 | 43 (20 May) | 86 | 31 | 1 May | 3 Jun | ||||
| 80. | Pomarine Skua | 2 | 0 | 2 | 1 | 1 | 1 (10 May) | 6 | 2 | 10 May | 17 May | ||||
| 81. | Black Guillemot | 11 | 0 | 11 | 2 | 9 | 3 ( 9 May) | 19 | 7 | 1 May | 27 May | ||||
| 82. | Razorbill | 413 | 20 | 433 | 35 | 398 | 74 ( 9 May) | 92 | 33 | 1 May | 5 Jun | ||||
| 83. | Razorbill/Guillemot | 25 | 1 | 26 | 2 | 24 | 7 (26 May) | 28 | 10 | 2 May | 4 Jun | ||||
| 84. | Guillemot | 51 | 3 | 54 | 5 | 49 | 9 (24 May) | 61 | 22 | 2 May | 5 Jun | ||||
| 85. | Red-throated Diver | 401 | 10 | 411 | 13 | 398 | 37 (20 May) | 92 | 33 | 2 May | 4 Jun | ||||
| 86. | Black-throated Diver | 9921 | 157 | 10078 | 121 | 9957 | 1918 (20 May) | 100 | 36 | 1 May | 5 Jun | ||||
| 87. | White-billed Diver | 3 | 0 | 3 | 1 | 2 | 1 (11 May) | 8 | 3 | 11 May | 28 May | ||||
| 88. | diver sp. | 17607 | 69 | 17676 | 51 | 17625 | 12996 (20 May) | 94 | 34 | 1 May | 4 Jun | ||||
| 89. | Gannet | 1 | 0 | 1 | 0 | 1 | 1 ( 3 May) | 3 | 1 | 3 May | 3 May | ||||
| 90. | Cormorant | 263 | 0 | 263 | 38 | 225 | 47 (13 May) | 53 | 19 | 2 May | 22 May | ||||
| Species | May | Jun | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 91. | Great White Egret | 24 | 0 | 24 | 0 | 24 | 13 (26 May) | 11 | 4 | 11 May | 29 May | ||||
| 92. | Grey Heron | 14 | 0 | 14 | 4 | 10 | 3 (13 May) | 22 | 8 | 4 May | 26 May | ||||
| 93. | Osprey | 8 | 0 | 8 | 0 | 8 | 3 ( 5 May) | 17 | 6 | 5 May | 22 May | ||||
| 94. | Honey Buzzard | 22 | 3 | 25 | 1 | 24 | 6 (21 May) | 33 | 12 | 13 May | 2 Jun | ||||
| 95. | Sparrowhawk | 6 | 0 | 6 | 0 | 6 | 2 (10 May) | 11 | 4 | 4 May | 20 May | ||||
| 96. | Goshawk | 1 | 0 | 1 | 0 | 1 | 1 (11 May) | 3 | 1 | 11 May | 11 May | ||||
| 97. | Marsh Harrier | 13 | 0 | 13 | 0 | 13 | 2 ( 3 May) | 25 | 9 | 3 May | 28 May | ||||
| 98. | Hen Harrier | 1 | 0 | 1 | 0 | 1 | 1 (15 May) | 3 | 1 | 15 May | 15 May | ||||
| 99. | Common Buzzard | 3 | 0 | 3 | 0 | 3 | 1 ( 5 May) | 8 | 3 | 5 May | 22 May | ||||
| 100. | MediumRaptor | 1 | 0 | 1 | 0 | 1 | 1 ( 9 May) | 3 | 1 | 9 May | 9 May | ||||
| 101. | Short-eared Owl | 1 | 0 | 1 | 0 | 1 | 1 (19 May) | 3 | 1 | 19 May | 19 May | ||||
| 102. | Wryneck | 1 | 0 | 1 | 0 | 1 | 1 (16 May) | 3 | 1 | 16 May | 16 May | ||||
| 103. | Kestrel | 10 | 1 | 11 | 0 | 11 | 3 ( 5 May) | 22 | 8 | 3 May | 1 Jun | ||||
| 104. | Red-footed Falcon | 1 | 0 | 1 | 0 | 1 | 1 (28 May) | 3 | 1 | 28 May | 28 May | ||||
| 105. | Merlin | 1 | 0 | 1 | 0 | 1 | 1 (13 May) | 3 | 1 | 13 May | 13 May | ||||
| 106. | Hobby | 14 | 0 | 14 | 2 | 12 | 2 ( 7 May) | 28 | 10 | 3 May | 25 May | ||||
| 107. | Jackdaw | 2 | 0 | 2 | 0 | 2 | 2 (11 May) | 3 | 1 | 11 May | 11 May | ||||
| 108. | Hooded Crow | 5 | 0 | 5 | 0 | 5 | 2 (16 May) | 11 | 4 | 5 May | 21 May | ||||
| 109. | Skylark | 1 | 0 | 1 | 0 | 1 | 1 ( 3 May) | 3 | 1 | 3 May | 3 May | ||||
| 110. | Sand Martin | 1 | 0 | 1 | 0 | 1 | 1 (18 May) | 3 | 1 | 18 May | 18 May | ||||
| 111. | Swallow | 188 | 0 | 188 | 1 | 187 | 31 (21 May) | 50 | 18 | 2 May | 25 May | ||||
| 112. | House Martin | 19 | 0 | 19 | 0 | 19 | 5 (11 May) | 17 | 6 | 11 May | 21 May | ||||
| 113. | Willow Warbler | 2 | 0 | 2 | 0 | 2 | 2 (16 May) | 3 | 1 | 16 May | 16 May | ||||
| 114. | Starling | 4 | 0 | 4 | 0 | 4 | 2 ( 6 May) | 6 | 2 | 6 May | 8 May | ||||
| 115. | Pied Flycatcher | 1 | 0 | 1 | 0 | 1 | 1 (21 May) | 3 | 1 | 21 May | 21 May | ||||
| 116. | Yellow wagtail sp. | 116 | 0 | 116 | 0 | 116 | 52 (21 May) | 36 | 13 | 7 May | 24 May | ||||
| 117. | Citrine Wagtail | 1 | 0 | 1 | 0 | 1 | 1 ( 3 May) | 3 | 1 | 3 May | 3 May | ||||
| 118. | White Wagtail | 44 | 0 | 44 | 3 | 41 | 18 ( 8 May) | 33 | 12 | 3 May | 18 May | ||||
| 119. | alba wagtail sp. | 8 | 0 | 8 | 0 | 8 | 4 (18 May) | 8 | 3 | 11 May | 18 May | ||||
| 120. | Meadow Pipit | 3 | 0 | 3 | 0 | 3 | 3 (14 May) | 3 | 1 | 14 May | 14 May | ||||
| Species | May | Jun | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 121. | Tree Pipit | 1 | 0 | 1 | 0 | 1 | 1 ( 7 May) | 3 | 1 | 7 May | 7 May | ||||
| 122. | pipit sp. | 2 | 0 | 2 | 0 | 2 | 1 ( 3 May) | 6 | 2 | 3 May | 11 May | ||||
| 123. | Linnet | 3 | 0 | 3 | 0 | 3 | 1 ( 4 May) | 8 | 3 | 4 May | 18 May | ||||
| 124. | Serin | 1 | 0 | 1 | 0 | 1 | 1 ( 5 May) | 3 | 1 | 5 May | 5 May | ||||
| 125. | Siskin | 3 | 0 | 3 | 0 | 3 | 3 (15 May) | 3 | 1 | 15 May | 15 May | ||||
| 126. | Reed Bunting | 2 | 0 | 2 | 0 | 2 | 1 ( 4 May) | 6 | 2 | 4 May | 9 May | ||||
| 127. | passerine sp. | 31 | 0 | 31 | 0 | 31 | 10 (15 May) | 19 | 7 | 4 May | 21 May | ||||
| Species | May | Jun | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 1264572 | 2025 | 1266597 | 4612 | 1261985 | 100 | 36 | ||||||||
| Observation hours | 450:32 | 61:54 | 512:26 | ||||||||||||
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