Also present
Totals Söderskär (Borgå) 2025
| Species | May | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 2 | 2 | 0 | 2 | 2 (10 May) | 9 | 1 | 10 May | 10 May | ||||
| 2. | Canada Goose | 1 | 1 | 0 | 1 | 1 ( 6 May) | 9 | 1 | 6 May | 6 May | ||||
| 3. | Barnacle Goose | 26088 | 26088 | 131 | 25957 | 16926 ( 3 May) | 100 | 11 | 1 May | 11 May | ||||
| 4. | Greylag Goose | 4 | 4 | 0 | 4 | 3 ( 6 May) | 18 | 2 | 6 May | 8 May | ||||
| 5. | Anser sp. | 1647 | 1647 | 0 | 1647 | 1577 (11 May) | 18 | 2 | 10 May | 11 May | ||||
| 6. | goose sp. | 9425 | 9425 | 0 | 9425 | 4105 ( 9 May) | 82 | 9 | 2 May | 11 May | ||||
| 7. | Taiga Bean Goose | 1 | 1 | 0 | 1 | 1 ( 7 May) | 9 | 1 | 7 May | 7 May | ||||
| 8. | Tundra Bean Goose | 134 | 134 | 0 | 134 | 64 (10 May) | 45 | 5 | 7 May | 11 May | ||||
| 9. | Bean Goose sp. | 53 | 53 | 0 | 53 | 49 ( 7 May) | 18 | 2 | 2 May | 7 May | ||||
| 10. | Eurasian White-fronted Goose | 43 | 43 | 0 | 43 | 31 ( 7 May) | 36 | 4 | 3 May | 11 May | ||||
| 11. | Mute Swan | 20 | 20 | 7 | 13 | 10 ( 6 May) | 45 | 5 | 3 May | 11 May | ||||
| 12. | Whooper Swan | 9 | 9 | 0 | 9 | 7 ( 2 May) | 18 | 2 | 2 May | 9 May | ||||
| 13. | swan sp. | 5 | 5 | 5 | 0 | 3 (11 May) | 18 | 2 | 10 May | 11 May | ||||
| 14. | Garganey | 2 | 2 | 0 | 2 | 2 ( 2 May) | 9 | 1 | 2 May | 2 May | ||||
| 15. | Shoveler | 43 | 43 | 0 | 43 | 21 ( 2 May) | 36 | 4 | 2 May | 10 May | ||||
| 16. | Gadwall | 5 | 5 | 0 | 5 | 2 ( 8 May) | 27 | 3 | 7 May | 9 May | ||||
| 17. | Wigeon | 78 | 78 | 1 | 77 | 20 ( 2 May) | 55 | 6 | 2 May | 9 May | ||||
| 18. | Pintail | 30 | 30 | 0 | 30 | 14 ( 4 May) | 27 | 3 | 1 May | 4 May | ||||
| 19. | Teal | 275 | 275 | 0 | 275 | 232 ( 2 May) | 45 | 5 | 2 May | 11 May | ||||
| 20. | dabbling duck sp. | 15 | 15 | 0 | 15 | 15 ( 2 May) | 9 | 1 | 2 May | 2 May | ||||
| 21. | duck sp. | 1404 | 1404 | 0 | 1404 | 880 (10 May) | 36 | 4 | 2 May | 11 May | ||||
| 22. | Tufted Duck | 94 | 94 | 0 | 94 | 26 ( 9 May) | 64 | 7 | 1 May | 11 May | ||||
| 23. | Scaup | 369 | 369 | 2 | 367 | 357 ( 2 May) | 36 | 4 | 2 May | 10 May | ||||
| 24. | Aythya sp. | 9 | 9 | 0 | 9 | 9 ( 2 May) | 9 | 1 | 2 May | 2 May | ||||
| 25. | Steller's Eider | 36 | 36 | 0 | 36 | 34 ( 2 May) | 18 | 2 | 2 May | 6 May | ||||
| 26. | Eider | 1097 | 1097 | 581 | 516 | 172 ( 7 May) | 100 | 11 | 1 May | 11 May | ||||
| 27. | Velvet Scoter | 550 | 550 | 25 | 525 | 166 (10 May) | 100 | 11 | 1 May | 11 May | ||||
| 28. | Common Scoter | 60746 | 60746 | 177 | 60569 | 22173 ( 2 May) | 100 | 11 | 1 May | 11 May | ||||
| 29. | Long-tailed Duck | 10701 | 10701 | 452 | 10249 | 3258 (11 May) | 100 | 11 | 1 May | 11 May | ||||
| 30. | Goldeneye | 21 | 21 | 10 | 11 | 5 ( 7 May) | 45 | 5 | 2 May | 11 May | ||||
| Species | May | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Goosander | 91 | 91 | 23 | 68 | 28 ( 9 May) | 100 | 11 | 1 May | 11 May | ||||
| 32. | Red-breasted Merganser | 221 | 221 | 16 | 205 | 55 ( 9 May) | 100 | 11 | 1 May | 11 May | ||||
| 33. | Crane | 35 | 35 | 0 | 35 | 26 ( 3 May) | 27 | 3 | 2 May | 9 May | ||||
| 34. | Red-necked Grebe | 18 | 18 | 0 | 18 | 6 ( 3 May) | 64 | 7 | 1 May | 10 May | ||||
| 35. | Great Crested Grebe | 2 | 2 | 2 | 0 | 1 ( 3 May) | 18 | 2 | 3 May | 7 May | ||||
| 36. | Oystercatcher | 22 | 22 | 0 | 22 | 21 ( 5 May) | 18 | 2 | 5 May | 8 May | ||||
| 37. | Grey Plover | 1 | 1 | 0 | 1 | 1 ( 3 May) | 9 | 1 | 3 May | 3 May | ||||
| 38. | Golden Plover | 24 | 24 | 0 | 24 | 23 ( 4 May) | 18 | 2 | 4 May | 8 May | ||||
| 39. | Whimbrel | 709 | 709 | 10 | 699 | 244 ( 9 May) | 73 | 8 | 4 May | 11 May | ||||
| 40. | Curlew | 7 | 7 | 0 | 7 | 5 (11 May) | 18 | 2 | 8 May | 11 May | ||||
| 41. | Numenius sp. | 9 | 9 | 0 | 9 | 6 ( 2 May) | 18 | 2 | 2 May | 6 May | ||||
| 42. | Bar-tailed Godwit | 5510 | 5510 | 0 | 5510 | 2150 ( 9 May) | 73 | 8 | 2 May | 11 May | ||||
| 43. | Black-tailed Godwit | 1 | 1 | 0 | 1 | 1 (11 May) | 9 | 1 | 11 May | 11 May | ||||
| 44. | Wood Sandpiper | 112 | 112 | 0 | 112 | 96 (11 May) | 27 | 3 | 4 May | 11 May | ||||
| 45. | Redshank | 2 | 2 | 0 | 2 | 2 ( 6 May) | 9 | 1 | 6 May | 6 May | ||||
| 46. | Spotted Redshank | 7 | 7 | 0 | 7 | 4 ( 8 May) | 18 | 2 | 8 May | 11 May | ||||
| 47. | Greenshank | 31 | 31 | 0 | 31 | 19 ( 8 May) | 36 | 4 | 5 May | 9 May | ||||
| 48. | Knot | 30 | 30 | 0 | 30 | 28 ( 9 May) | 18 | 2 | 8 May | 9 May | ||||
| 49. | Ruff | 3 | 3 | 0 | 3 | 3 ( 7 May) | 9 | 1 | 7 May | 7 May | ||||
| 50. | small wader | 2 | 2 | 0 | 2 | 2 ( 6 May) | 9 | 1 | 6 May | 6 May | ||||
| 51. | large wader | 859 | 859 | 0 | 859 | 470 ( 7 May) | 55 | 6 | 3 May | 11 May | ||||
| 52. | Caspian Tern | 1 | 1 | 0 | 1 | 1 ( 6 May) | 9 | 1 | 6 May | 6 May | ||||
| 53. | Arctic Tern | 488 | 488 | 2 | 486 | 205 ( 8 May) | 82 | 9 | 2 May | 11 May | ||||
| 54. | Common/Arctic Tern | 313 | 313 | 1 | 312 | 62 ( 2 May) | 100 | 11 | 1 May | 11 May | ||||
| 55. | Common Tern | 126 | 126 | 0 | 126 | 20 ( 5 May) | 100 | 11 | 1 May | 11 May | ||||
| 56. | Little Gull | 22 | 22 | 3 | 19 | 15 ( 2 May) | 36 | 4 | 2 May | 9 May | ||||
| 57. | Black-headed Gull | 12 | 12 | 0 | 12 | 8 ( 9 May) | 18 | 2 | 3 May | 9 May | ||||
| 58. | Common Gull | 84 | 84 | 1 | 83 | 68 ( 8 May) | 45 | 5 | 4 May | 11 May | ||||
| 59. | Herring Gull | 23 | 23 | 0 | 23 | 14 ( 8 May) | 36 | 4 | 7 May | 10 May | ||||
| 60. | Lesser Black-backed Gull | 15 | 15 | 0 | 15 | 5 ( 8 May) | 64 | 7 | 2 May | 11 May | ||||
| Species | May | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Larus fuscus fuscus | 3 | 3 | 0 | 3 | 2 ( 7 May) | 18 | 2 | 7 May | 8 May | ||||
| 62. | skua sp. | 4 | 4 | 1 | 3 | 3 ( 3 May) | 18 | 2 | 2 May | 3 May | ||||
| 63. | Arctic Skua | 57 | 57 | 10 | 47 | 10 ( 6 May) | 91 | 10 | 1 May | 11 May | ||||
| 64. | Pomarine Skua | 1 | 1 | 1 | 0 | 1 (10 May) | 9 | 1 | 10 May | 10 May | ||||
| 65. | Black Guillemot | 6 | 6 | 2 | 4 | 3 ( 9 May) | 36 | 4 | 1 May | 9 May | ||||
| 66. | Razorbill | 185 | 185 | 16 | 169 | 74 ( 9 May) | 100 | 11 | 1 May | 11 May | ||||
| 67. | Razorbill/Guillemot | 14 | 14 | 2 | 12 | 5 ( 2 May) | 45 | 5 | 2 May | 9 May | ||||
| 68. | Guillemot | 12 | 12 | 2 | 10 | 3 ( 3 May) | 73 | 8 | 2 May | 10 May | ||||
| 69. | Red-throated Diver | 154 | 154 | 9 | 145 | 33 ( 2 May) | 91 | 10 | 2 May | 11 May | ||||
| 70. | Black-throated Diver | 1414 | 1414 | 28 | 1386 | 548 ( 9 May) | 100 | 11 | 1 May | 11 May | ||||
| 71. | White-billed Diver | 1 | 1 | 0 | 1 | 1 (11 May) | 9 | 1 | 11 May | 11 May | ||||
| 72. | diver sp. | 433 | 433 | 3 | 430 | 111 ( 2 May) | 91 | 10 | 1 May | 11 May | ||||
| 73. | Gannet | 1 | 1 | 0 | 1 | 1 ( 3 May) | 9 | 1 | 3 May | 3 May | ||||
| 74. | Cormorant | 145 | 145 | 20 | 125 | 30 ( 9 May) | 91 | 10 | 2 May | 11 May | ||||
| 75. | Great White Egret | 6 | 6 | 0 | 6 | 6 (11 May) | 9 | 1 | 11 May | 11 May | ||||
| 76. | Grey Heron | 2 | 2 | 0 | 2 | 2 ( 4 May) | 9 | 1 | 4 May | 4 May | ||||
| 77. | Osprey | 4 | 4 | 0 | 4 | 3 ( 5 May) | 18 | 2 | 5 May | 9 May | ||||
| 78. | Sparrowhawk | 4 | 4 | 0 | 4 | 2 (10 May) | 27 | 3 | 4 May | 11 May | ||||
| 79. | Goshawk | 1 | 1 | 0 | 1 | 1 (11 May) | 9 | 1 | 11 May | 11 May | ||||
| 80. | Marsh Harrier | 7 | 7 | 0 | 7 | 2 ( 3 May) | 36 | 4 | 3 May | 10 May | ||||
| 81. | Common Buzzard | 2 | 2 | 0 | 2 | 1 ( 5 May) | 18 | 2 | 5 May | 7 May | ||||
| 82. | MediumRaptor | 1 | 1 | 0 | 1 | 1 ( 9 May) | 9 | 1 | 9 May | 9 May | ||||
| 83. | Kestrel | 5 | 5 | 0 | 5 | 3 ( 5 May) | 27 | 3 | 3 May | 5 May | ||||
| 84. | Hobby | 8 | 8 | 2 | 6 | 2 ( 7 May) | 55 | 6 | 3 May | 8 May | ||||
| 85. | Jackdaw | 2 | 2 | 0 | 2 | 2 (11 May) | 9 | 1 | 11 May | 11 May | ||||
| 86. | Hooded Crow | 2 | 2 | 0 | 2 | 1 ( 5 May) | 18 | 2 | 5 May | 11 May | ||||
| 87. | Skylark | 1 | 1 | 0 | 1 | 1 ( 3 May) | 9 | 1 | 3 May | 3 May | ||||
| 88. | Swallow | 12 | 12 | 0 | 12 | 7 (11 May) | 36 | 4 | 2 May | 11 May | ||||
| 89. | House Martin | 5 | 5 | 0 | 5 | 5 (11 May) | 9 | 1 | 11 May | 11 May | ||||
| 90. | Starling | 4 | 4 | 0 | 4 | 2 ( 6 May) | 18 | 2 | 6 May | 8 May | ||||
| Species | May | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 91. | Yellow wagtail sp. | 19 | 19 | 0 | 19 | 13 (11 May) | 27 | 3 | 7 May | 11 May | ||||
| 92. | Citrine Wagtail | 1 | 1 | 0 | 1 | 1 ( 3 May) | 9 | 1 | 3 May | 3 May | ||||
| 93. | White Wagtail | 32 | 32 | 3 | 29 | 18 ( 8 May) | 73 | 8 | 3 May | 11 May | ||||
| 94. | alba wagtail sp. | 3 | 3 | 0 | 3 | 3 (11 May) | 9 | 1 | 11 May | 11 May | ||||
| 95. | Tree Pipit | 1 | 1 | 0 | 1 | 1 ( 7 May) | 9 | 1 | 7 May | 7 May | ||||
| 96. | pipit sp. | 2 | 2 | 0 | 2 | 1 ( 3 May) | 18 | 2 | 3 May | 11 May | ||||
| 97. | Linnet | 1 | 1 | 0 | 1 | 1 ( 4 May) | 9 | 1 | 4 May | 4 May | ||||
| 98. | Serin | 1 | 1 | 0 | 1 | 1 ( 5 May) | 9 | 1 | 5 May | 5 May | ||||
| 99. | Reed Bunting | 2 | 2 | 0 | 2 | 1 ( 4 May) | 18 | 2 | 4 May | 9 May | ||||
| 100. | passerine sp. | 13 | 13 | 0 | 13 | 6 (11 May) | 27 | 3 | 4 May | 11 May | ||||
| Species | May | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 124258 | 124258 | 1548 | 122710 | 100 | 11 | ||||||||
| Observation hours | 146:15 | 146:15 | ||||||||||||
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