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) | 21 | 3 | 1 Jan | 11 Jan | ||||
| 2. | Canada Goose | 77 | 77 | 57 | 20 | 36 ( 2 Jan) | 29 | 4 | 1 Jan | 11 Jan | ||||
| 3. | Barnacle Goose | 215 | 215 | 115 | 100 | 107 (17 Jan) | 36 | 5 | 3 Jan | 19 Jan | ||||
| 4. | Greylag Goose | 54 | 54 | 31 | 23 | 22 (11 Jan) | 50 | 7 | 1 Jan | 19 Jan | ||||
| 5. | goose sp. | 9582 | 9582 | 456 | 9126 | 8558 (11 Jan) | 36 | 5 | 2 Jan | 11 Jan | ||||
| 6. | Pink-footed Goose | 14 | 14 | 14 | 0 | 14 ( 2 Jan) | 7 | 1 | 2 Jan | 2 Jan | ||||
| 7. | Eurasian White-fronted Goose | 41 | 41 | 36 | 5 | 35 (17 Jan) | 21 | 3 | 2 Jan | 19 Jan | ||||
| 8. | Mute Swan | 2 | 2 | 0 | 2 | 2 (10 Jan) | 7 | 1 | 10 Jan | 10 Jan | ||||
| 9. | Egyptian Goose | 66 | 66 | 20 | 46 | 28 (11 Jan) | 36 | 5 | 2 Jan | 19 Jan | ||||
| 10. | Shelduck | 26 | 26 | 26 | 0 | 12 ( 2 Jan) | 29 | 4 | 2 Jan | 11 Jan | ||||
| 11. | Gadwall | 5 | 5 | 2 | 3 | 5 ( 3 Jan) | 7 | 1 | 3 Jan | 3 Jan | ||||
| 12. | Wigeon | 304 | 304 | 128 | 176 | 106 (10 Jan) | 57 | 8 | 1 Jan | 17 Jan | ||||
| 13. | Mallard | 5 | 5 | 2 | 3 | 2 ( 5 Jan) | 21 | 3 | 5 Jan | 11 Jan | ||||
| 14. | Pintail | 1 | 1 | 0 | 1 | 1 ( 3 Jan) | 7 | 1 | 3 Jan | 3 Jan | ||||
| 15. | Teal | 2 | 2 | 0 | 2 | 2 ( 8 Jan) | 7 | 1 | 8 Jan | 8 Jan | ||||
| 16. | Tufted Duck | 3 | 3 | 1 | 2 | 2 ( 3 Jan) | 14 | 2 | 3 Jan | 4 Jan | ||||
| 17. | Eider | 24 | 24 | 22 | 2 | 8 (11 Jan) | 36 | 5 | 2 Jan | 11 Jan | ||||
| 18. | Velvet Scoter | 8 | 8 | 8 | 0 | 4 ( 3 Jan) | 21 | 3 | 2 Jan | 4 Jan | ||||
| 19. | Common Scoter | 149 | 149 | 81 | 68 | 45 (10 Jan) | 50 | 7 | 1 Jan | 11 Jan | ||||
| 20. | Red-breasted Merganser | 18 | 18 | 3 | 15 | 13 (10 Jan) | 29 | 4 | 3 Jan | 19 Jan | ||||
| 21. | Stock Dove | 3 | 3 | 1 | 2 | 2 ( 8 Jan) | 14 | 2 | 1 Jan | 8 Jan | ||||
| 22. | Woodpigeon | 128 | 128 | 91 | 37 | 60 ( 2 Jan) | 71 | 10 | 1 Jan | 15 Jan | ||||
| 23. | Collared Dove | 4 | 4 | 2 | 2 | 4 (11 Jan) | 7 | 1 | 11 Jan | 11 Jan | ||||
| 24. | Great Crested Grebe | 9 | 9 | 9 | 0 | 5 ( 3 Jan) | 29 | 4 | 3 Jan | 11 Jan | ||||
| 25. | Oystercatcher | 7 | 7 | 3 | 4 | 2 ( 8 Jan) | 29 | 4 | 1 Jan | 19 Jan | ||||
| 26. | Golden Plover | 53 | 53 | 3 | 50 | 50 (11 Jan) | 29 | 4 | 2 Jan | 17 Jan | ||||
| 27. | Curlew | 1 | 1 | 0 | 1 | 1 (11 Jan) | 7 | 1 | 11 Jan | 11 Jan | ||||
| 28. | Snipe | 1 | 1 | 1 | 0 | 1 (11 Jan) | 7 | 1 | 11 Jan | 11 Jan | ||||
| 29. | wader sp. | 1 | 1 | 1 | 0 | 1 (17 Jan) | 7 | 1 | 17 Jan | 17 Jan | ||||
| 30. | Sanderling | 1 | 1 | 0 | 1 | 1 (10 Jan) | 7 | 1 | 10 Jan | 10 Jan | ||||
| Species | Jan | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Little Gull | 42 | 42 | 40 | 2 | 25 (10 Jan) | 36 | 5 | 2 Jan | 10 Jan | ||||
| 32. | Kittiwake | 396 | 396 | 391 | 5 | 156 ( 8 Jan) | 57 | 8 | 1 Jan | 11 Jan | ||||
| 33. | Black-headed Gull | 1313 | 1313 | 756 | 557 | 253 (11 Jan) | 93 | 13 | 1 Jan | 19 Jan | ||||
| 34. | Common Gull | 2124 | 2124 | 1944 | 180 | 877 (10 Jan) | 100 | 14 | 1 Jan | 19 Jan | ||||
| 35. | Caspian Gull | 3 | 3 | 3 | 0 | 2 (10 Jan) | 14 | 2 | 4 Jan | 10 Jan | ||||
| 36. | Herring Gull | 3541 | 3541 | 2523 | 1018 | 911 ( 8 Jan) | 93 | 13 | 1 Jan | 19 Jan | ||||
| 37. | Yellow-legged Gull | 4 | 4 | 4 | 0 | 3 ( 8 Jan) | 14 | 2 | 5 Jan | 8 Jan | ||||
| 38. | Great Black-backed Gull | 388 | 388 | 332 | 56 | 76 ( 2 Jan) | 93 | 13 | 1 Jan | 19 Jan | ||||
| 39. | Lesser Black-backed Gull | 29 | 29 | 24 | 5 | 10 ( 3 Jan) | 57 | 8 | 1 Jan | 11 Jan | ||||
| 40. | Arctic Skua | 1 | 1 | 1 | 0 | 1 ( 3 Jan) | 7 | 1 | 3 Jan | 3 Jan | ||||
| 41. | Razorbill | 1 | 1 | 1 | 0 | 1 ( 8 Jan) | 7 | 1 | 8 Jan | 8 Jan | ||||
| 42. | Razorbill/Guillemot | 38 | 38 | 36 | 2 | 20 (10 Jan) | 29 | 4 | 2 Jan | 10 Jan | ||||
| 43. | Red-throated Diver | 704 | 704 | 639 | 65 | 188 (10 Jan) | 79 | 11 | 1 Jan | 15 Jan | ||||
| 44. | Black-throated Diver | 2 | 2 | 2 | 0 | 1 ( 2 Jan) | 14 | 2 | 2 Jan | 4 Jan | ||||
| 45. | Great Northern Diver | 1 | 1 | 1 | 0 | 1 (10 Jan) | 7 | 1 | 10 Jan | 10 Jan | ||||
| 46. | diver sp. | 7 | 7 | 6 | 1 | 6 (10 Jan) | 14 | 2 | 4 Jan | 10 Jan | ||||
| 47. | Sooty Shearwater | 1 | 1 | 1 | 0 | 1 ( 8 Jan) | 7 | 1 | 8 Jan | 8 Jan | ||||
| 48. | Gannet | 1091 | 1091 | 952 | 139 | 247 (10 Jan) | 86 | 12 | 1 Jan | 19 Jan | ||||
| 49. | Cormorant | 5693 | 5693 | 4067 | 1626 | 1801 ( 4 Jan) | 100 | 14 | 1 Jan | 19 Jan | ||||
| 50. | Grey Heron | 3 | 3 | 2 | 1 | 1 ( 4 Jan) | 21 | 3 | 4 Jan | 11 Jan | ||||
| 51. | Hen Harrier | 1 | 1 | 1 | 0 | 1 ( 2 Jan) | 7 | 1 | 2 Jan | 2 Jan | ||||
| 52. | Magpie | 5 | 5 | 3 | 2 | 3 ( 2 Jan) | 14 | 2 | 2 Jan | 4 Jan | ||||
| 53. | Blue Tit | 6 | 6 | 0 | 6 | 6 (10 Jan) | 7 | 1 | 10 Jan | 10 Jan | ||||
| 54. | Goldcrest | 1 | 1 | 1 | 0 | 1 ( 2 Jan) | 7 | 1 | 2 Jan | 2 Jan | ||||
| 55. | Starling | 51 | 51 | 41 | 10 | 27 (11 Jan) | 36 | 5 | 2 Jan | 15 Jan | ||||
| 56. | Song Thrush | 1 | 1 | 1 | 0 | 1 ( 4 Jan) | 7 | 1 | 4 Jan | 4 Jan | ||||
| 57. | Redwing | 23 | 23 | 8 | 15 | 9 (11 Jan) | 29 | 4 | 2 Jan | 11 Jan | ||||
| 58. | Blackbird | 2 | 2 | 1 | 1 | 1 ( 2 Jan) | 14 | 2 | 2 Jan | 11 Jan | ||||
| 59. | Fieldfare | 17 | 17 | 13 | 4 | 8 (11 Jan) | 21 | 3 | 2 Jan | 11 Jan | ||||
| 60. | Meadow Pipit | 9 | 9 | 6 | 3 | 4 ( 2 Jan) | 29 | 4 | 2 Jan | 11 Jan | ||||
| Species | Jan | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Chaffinch | 95 | 95 | 58 | 37 | 79 (11 Jan) | 64 | 9 | 1 Jan | 15 Jan | ||||
| 62. | Greenfinch | 4 | 4 | 2 | 2 | 2 ( 8 Jan) | 14 | 2 | 8 Jan | 11 Jan | ||||
| 63. | Goldfinch | 13 | 13 | 0 | 13 | 12 ( 1 Jan) | 14 | 2 | 1 Jan | 11 Jan | ||||
| 64. | Siskin | 1 | 1 | 0 | 1 | 1 ( 2 Jan) | 7 | 1 | 2 Jan | 2 Jan | ||||
| Other species | ||||||||||||||
| Species | Jan | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Harbour Porpoise | 2 | 2 | 2 | 0 | 1 ( 1 Jan) | 14 | 2 | 1 Jan | 11 Jan | ||||
| Species | Jan | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 26443 | 26443 | 13001 | 13442 | 100 | 14 | ||||||||
| Observation hours | 38:27 | 38:27 | ||||||||||||
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