Also present
Totals De Vulkaan (Den Haag) 2025
| Species | Jan | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 26 | 26 | 26 | 0 | 18 (11 Jan) | 17 | 3 | 1 Jan | 11 Jan | ||||
| 2. | Canada Goose | 80 | 80 | 60 | 20 | 36 ( 2 Jan) | 28 | 5 | 1 Jan | 26 Jan | ||||
| 3. | Barnacle Goose | 323 | 323 | 181 | 142 | 107 (17 Jan) | 33 | 6 | 3 Jan | 26 Jan | ||||
| 4. | Greylag Goose | 57 | 57 | 34 | 23 | 22 (11 Jan) | 50 | 9 | 1 Jan | 26 Jan | ||||
| 5. | goose sp. | 10024 | 10024 | 505 | 9519 | 8558 (11 Jan) | 39 | 7 | 2 Jan | 26 Jan | ||||
| 6. | Pink-footed Goose | 14 | 14 | 14 | 0 | 14 ( 2 Jan) | 6 | 1 | 2 Jan | 2 Jan | ||||
| 7. | Tundra Bean Goose | 11 | 11 | 0 | 11 | 11 (26 Jan) | 6 | 1 | 26 Jan | 26 Jan | ||||
| 8. | Eurasian White-fronted Goose | 263 | 263 | 128 | 135 | 190 (26 Jan) | 22 | 4 | 2 Jan | 26 Jan | ||||
| 9. | Mute Swan | 2 | 2 | 0 | 2 | 2 (10 Jan) | 6 | 1 | 10 Jan | 10 Jan | ||||
| 10. | Egyptian Goose | 81 | 81 | 30 | 51 | 28 (11 Jan) | 39 | 7 | 2 Jan | 26 Jan | ||||
| 11. | Shelduck | 30 | 30 | 29 | 1 | 12 ( 2 Jan) | 33 | 6 | 2 Jan | 26 Jan | ||||
| 12. | Gadwall | 12 | 12 | 9 | 3 | 7 (22 Jan) | 11 | 2 | 3 Jan | 22 Jan | ||||
| 13. | Wigeon | 691 | 691 | 405 | 286 | 178 (25 Jan) | 67 | 12 | 1 Jan | 26 Jan | ||||
| 14. | Mallard | 6 | 6 | 3 | 3 | 2 ( 5 Jan) | 22 | 4 | 5 Jan | 25 Jan | ||||
| 15. | Pintail | 1 | 1 | 0 | 1 | 1 ( 3 Jan) | 6 | 1 | 3 Jan | 3 Jan | ||||
| 16. | Teal | 7 | 7 | 2 | 5 | 3 (26 Jan) | 17 | 3 | 8 Jan | 26 Jan | ||||
| 17. | Tufted Duck | 4 | 4 | 2 | 2 | 2 ( 3 Jan) | 17 | 3 | 3 Jan | 19 Jan | ||||
| 18. | Eider | 25 | 25 | 23 | 2 | 8 (11 Jan) | 33 | 6 | 2 Jan | 26 Jan | ||||
| 19. | Velvet Scoter | 13 | 13 | 13 | 0 | 5 (25 Jan) | 22 | 4 | 2 Jan | 25 Jan | ||||
| 20. | Common Scoter | 165 | 165 | 92 | 73 | 45 (10 Jan) | 50 | 9 | 1 Jan | 26 Jan | ||||
| 21. | Red-breasted Merganser | 20 | 20 | 3 | 17 | 13 (10 Jan) | 28 | 5 | 3 Jan | 26 Jan | ||||
| 22. | Stock Dove | 4 | 4 | 1 | 3 | 2 ( 8 Jan) | 17 | 3 | 1 Jan | 26 Jan | ||||
| 23. | Woodpigeon | 141 | 141 | 98 | 43 | 60 ( 2 Jan) | 72 | 13 | 1 Jan | 26 Jan | ||||
| 24. | Collared Dove | 4 | 4 | 2 | 2 | 4 (11 Jan) | 6 | 1 | 11 Jan | 11 Jan | ||||
| 25. | Great Crested Grebe | 45 | 45 | 38 | 7 | 23 (26 Jan) | 50 | 9 | 3 Jan | 26 Jan | ||||
| 26. | Oystercatcher | 11 | 11 | 6 | 5 | 3 (26 Jan) | 33 | 6 | 1 Jan | 26 Jan | ||||
| 27. | Golden Plover | 53 | 53 | 3 | 50 | 50 (11 Jan) | 22 | 4 | 2 Jan | 17 Jan | ||||
| 28. | Curlew | 1 | 1 | 0 | 1 | 1 (11 Jan) | 6 | 1 | 11 Jan | 11 Jan | ||||
| 29. | Snipe | 1 | 1 | 1 | 0 | 1 (11 Jan) | 6 | 1 | 11 Jan | 11 Jan | ||||
| 30. | wader sp. | 1 | 1 | 1 | 0 | 1 (17 Jan) | 6 | 1 | 17 Jan | 17 Jan | ||||
| Species | Jan | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Sanderling | 3 | 3 | 2 | 1 | 2 (19 Jan) | 11 | 2 | 10 Jan | 19 Jan | ||||
| 32. | Little Gull | 42 | 42 | 40 | 2 | 25 (10 Jan) | 28 | 5 | 2 Jan | 10 Jan | ||||
| 33. | Kittiwake | 404 | 404 | 397 | 7 | 156 ( 8 Jan) | 56 | 10 | 1 Jan | 26 Jan | ||||
| 34. | Black-headed Gull | 1674 | 1674 | 1029 | 645 | 253 (11 Jan) | 94 | 17 | 1 Jan | 26 Jan | ||||
| 35. | Common Gull | 2627 | 2627 | 2377 | 250 | 877 (10 Jan) | 100 | 18 | 1 Jan | 26 Jan | ||||
| 36. | Caspian Gull | 5 | 5 | 5 | 0 | 2 (10 Jan) | 17 | 3 | 4 Jan | 24 Jan | ||||
| 37. | Herring Gull | 4704 | 4704 | 3562 | 1142 | 911 ( 8 Jan) | 94 | 17 | 1 Jan | 26 Jan | ||||
| 38. | Yellow-legged Gull | 7 | 7 | 6 | 1 | 3 ( 8 Jan) | 22 | 4 | 5 Jan | 26 Jan | ||||
| 39. | Great Black-backed Gull | 499 | 499 | 430 | 69 | 76 ( 2 Jan) | 94 | 17 | 1 Jan | 26 Jan | ||||
| 40. | Lesser Black-backed Gull | 40 | 40 | 35 | 5 | 10 ( 3 Jan) | 56 | 10 | 1 Jan | 25 Jan | ||||
| 41. | Arctic Skua | 1 | 1 | 1 | 0 | 1 ( 3 Jan) | 6 | 1 | 3 Jan | 3 Jan | ||||
| 42. | Razorbill | 1 | 1 | 1 | 0 | 1 ( 8 Jan) | 6 | 1 | 8 Jan | 8 Jan | ||||
| 43. | Razorbill/Guillemot | 40 | 40 | 38 | 2 | 20 (10 Jan) | 33 | 6 | 2 Jan | 26 Jan | ||||
| 44. | Red-throated Diver | 913 | 913 | 754 | 159 | 188 (10 Jan) | 83 | 15 | 1 Jan | 26 Jan | ||||
| 45. | Black-throated Diver | 3 | 3 | 3 | 0 | 1 ( 2 Jan) | 17 | 3 | 2 Jan | 25 Jan | ||||
| 46. | Great Northern Diver | 1 | 1 | 1 | 0 | 1 (10 Jan) | 6 | 1 | 10 Jan | 10 Jan | ||||
| 47. | diver sp. | 8 | 8 | 6 | 2 | 6 (10 Jan) | 17 | 3 | 4 Jan | 26 Jan | ||||
| 48. | Sooty Shearwater | 1 | 1 | 1 | 0 | 1 ( 8 Jan) | 6 | 1 | 8 Jan | 8 Jan | ||||
| 49. | Gannet | 1245 | 1245 | 1046 | 199 | 247 (10 Jan) | 89 | 16 | 1 Jan | 26 Jan | ||||
| 50. | Cormorant | 6395 | 6395 | 4484 | 1911 | 1801 ( 4 Jan) | 100 | 18 | 1 Jan | 26 Jan | ||||
| 51. | Grey Heron | 5 | 5 | 2 | 3 | 2 (25 Jan) | 22 | 4 | 4 Jan | 25 Jan | ||||
| 52. | Hen Harrier | 1 | 1 | 1 | 0 | 1 ( 2 Jan) | 6 | 1 | 2 Jan | 2 Jan | ||||
| 53. | Red Kite | 1 | 1 | 0 | 1 | 1 (26 Jan) | 6 | 1 | 26 Jan | 26 Jan | ||||
| 54. | Magpie | 5 | 5 | 3 | 2 | 3 ( 2 Jan) | 11 | 2 | 2 Jan | 4 Jan | ||||
| 55. | Blue Tit | 8 | 8 | 0 | 8 | 6 (10 Jan) | 11 | 2 | 10 Jan | 26 Jan | ||||
| 56. | Skylark | 1 | 1 | 0 | 1 | 1 (26 Jan) | 6 | 1 | 26 Jan | 26 Jan | ||||
| 57. | Goldcrest | 1 | 1 | 1 | 0 | 1 ( 2 Jan) | 6 | 1 | 2 Jan | 2 Jan | ||||
| 58. | Starling | 138 | 138 | 120 | 18 | 75 (19 Jan) | 44 | 8 | 2 Jan | 26 Jan | ||||
| 59. | Song Thrush | 3 | 3 | 2 | 1 | 1 ( 4 Jan) | 17 | 3 | 4 Jan | 26 Jan | ||||
| 60. | Redwing | 42 | 42 | 27 | 15 | 16 (19 Jan) | 33 | 6 | 2 Jan | 26 Jan | ||||
| Species | Jan | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Blackbird | 2 | 2 | 1 | 1 | 1 ( 2 Jan) | 11 | 2 | 2 Jan | 11 Jan | ||||
| 62. | Fieldfare | 17 | 17 | 13 | 4 | 8 (11 Jan) | 17 | 3 | 2 Jan | 11 Jan | ||||
| 63. | White Wagtail | 2 | 2 | 0 | 2 | 2 (26 Jan) | 6 | 1 | 26 Jan | 26 Jan | ||||
| 64. | Meadow Pipit | 10 | 10 | 6 | 4 | 4 ( 2 Jan) | 28 | 5 | 2 Jan | 26 Jan | ||||
| 65. | Chaffinch | 109 | 109 | 63 | 46 | 79 (11 Jan) | 67 | 12 | 1 Jan | 26 Jan | ||||
| 66. | Greenfinch | 4 | 4 | 2 | 2 | 2 ( 8 Jan) | 11 | 2 | 8 Jan | 11 Jan | ||||
| 67. | Goldfinch | 16 | 16 | 1 | 15 | 12 ( 1 Jan) | 17 | 3 | 1 Jan | 26 Jan | ||||
| 68. | Siskin | 2 | 2 | 1 | 1 | 1 ( 2 Jan) | 11 | 2 | 2 Jan | 26 Jan | ||||
| Other species | ||||||||||||||
| Species | Jan | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Harbour Porpoise | 3 | 3 | 3 | 0 | 1 ( 1 Jan) | 17 | 3 | 1 Jan | 25 Jan | ||||
| Species | Jan | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 31099 | 31099 | 16173 | 14926 | 100 | 18 | ||||||||
| Observation hours | 60:27 | 60:27 | ||||||||||||
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