Also present
Totals Noordwijk 2025
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 20 | 17 | 286 | 620 | 943 | 81 | 862 | 255 (17 Apr) | 29 | 30 | 1 Jan | 23 Apr | ||||
| 2. | Canada Goose | 0 | 1 | 52 | 21 | 74 | 26 | 48 | 14 ( 4 Apr) | 15 | 15 | 21 Feb | 14 Apr | ||||
| 3. | Barnacle Goose | 476 | 551 | 2338 | 1740 | 5105 | 838 | 4267 | 690 ( 8 Mar) | 38 | 39 | 11 Jan | 23 Apr | ||||
| 4. | Greylag Goose | 12 | 126 | 378 | 82 | 598 | 193 | 405 | 63 (18 Mar) | 49 | 50 | 4 Jan | 19 Apr | ||||
| 5. | Anser sp. | 0 | 0 | 130 | 0 | 130 | 0 | 130 | 130 ( 7 Mar) | 1 | 1 | 7 Mar | 7 Mar | ||||
| 6. | goose sp. | 135 | 205 | 96 | 167 | 603 | 200 | 403 | 200 (27 Feb) | 12 | 12 | 20 Jan | 18 Apr | ||||
| 7. | Domestic Goose | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 ( 8 Feb) | 1 | 1 | 8 Feb | 8 Feb | ||||
| 8. | Pink-footed Goose | 0 | 390 | 0 | 0 | 390 | 0 | 390 | 390 (26 Feb) | 1 | 1 | 26 Feb | 26 Feb | ||||
| 9. | Bean Goose sp. | 0 | 60 | 0 | 0 | 60 | 0 | 60 | 60 (26 Feb) | 1 | 1 | 26 Feb | 26 Feb | ||||
| 10. | Eurasian White-fronted Goose | 9 | 0 | 0 | 0 | 9 | 9 | 0 | 9 (20 Jan) | 1 | 1 | 20 Jan | 20 Jan | ||||
| 11. | Egyptian Goose | 31 | 46 | 146 | 104 | 327 | 142 | 185 | 38 (15 Apr) | 36 | 37 | 2 Jan | 23 Apr | ||||
| 12. | Shelduck | 22 | 13 | 74 | 88 | 197 | 76 | 121 | 17 (30 Jan) | 44 | 45 | 2 Jan | 23 Apr | ||||
| 13. | Garganey | 0 | 0 | 6 | 6 | 12 | 1 | 11 | 4 (18 Mar) | 5 | 5 | 18 Mar | 5 Apr | ||||
| 14. | Shoveler | 7 | 2 | 223 | 394 | 626 | 27 | 599 | 150 ( 4 Apr) | 26 | 27 | 2 Jan | 22 Apr | ||||
| 15. | Gadwall | 0 | 0 | 2 | 14 | 16 | 2 | 14 | 5 ( 8 Apr) | 8 | 8 | 10 Mar | 16 Apr | ||||
| 16. | Wigeon | 184 | 166 | 1430 | 31 | 1811 | 115 | 1696 | 915 (12 Mar) | 44 | 45 | 1 Jan | 10 Apr | ||||
| 17. | Mallard | 0 | 0 | 7 | 2 | 9 | 2 | 7 | 3 (20 Mar) | 5 | 5 | 15 Mar | 8 Apr | ||||
| 18. | Pintail | 0 | 7 | 113 | 48 | 168 | 0 | 168 | 54 (10 Mar) | 13 | 13 | 17 Feb | 9 Apr | ||||
| 19. | Teal | 13 | 40 | 1002 | 406 | 1461 | 39 | 1422 | 348 ( 8 Mar) | 40 | 41 | 4 Jan | 23 Apr | ||||
| 20. | duck sp. | 3 | 18 | 53 | 40 | 114 | 16 | 98 | 20 (18 Mar) | 15 | 15 | 8 Jan | 22 Apr | ||||
| 21. | Pochard | 7 | 4 | 4 | 0 | 15 | 11 | 4 | 7 (22 Jan) | 4 | 4 | 22 Jan | 8 Mar | ||||
| 22. | Tufted Duck | 1 | 0 | 10 | 4 | 15 | 4 | 11 | 6 (18 Mar) | 5 | 5 | 5 Jan | 4 Apr | ||||
| 23. | Scaup | 0 | 3 | 5 | 0 | 8 | 0 | 8 | 5 (14 Mar) | 2 | 2 | 28 Feb | 14 Mar | ||||
| 24. | Eider | 15 | 44 | 271 | 141 | 471 | 262 | 209 | 32 (25 Mar) | 55 | 56 | 3 Jan | 23 Apr | ||||
| 25. | Velvet Scoter | 5 | 0 | 7 | 5 | 17 | 4 | 13 | 6 (10 Mar) | 6 | 6 | 2 Jan | 9 Apr | ||||
| 26. | Common Scoter | 414 | 206 | 1265 | 1264 | 3149 | 1154 | 1995 | 241 ( 9 Apr) | 74 | 75 | 1 Jan | 23 Apr | ||||
| 27. | Goldeneye | 1 | 4 | 4 | 0 | 9 | 8 | 1 | 4 (10 Feb) | 3 | 3 | 23 Jan | 8 Mar | ||||
| 28. | Goosander | 0 | 2 | 0 | 0 | 2 | 0 | 2 | 2 ( 2 Feb) | 1 | 1 | 2 Feb | 2 Feb | ||||
| 29. | Red-breasted Merganser | 17 | 19 | 133 | 100 | 269 | 74 | 195 | 18 ( 1 Apr) | 54 | 55 | 7 Jan | 22 Apr | ||||
| 30. | Woodpigeon | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 4 Apr) | 1 | 1 | 4 Apr | 4 Apr | ||||
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Great Crested Grebe | 50 | 89 | 99 | 16 | 254 | 122 | 132 | 19 ( 4 Feb) | 56 | 57 | 2 Jan | 19 Apr | ||||
| 32. | Oystercatcher | 7 | 71 | 62 | 165 | 305 | 152 | 153 | 36 (23 Apr) | 60 | 61 | 1 Jan | 23 Apr | ||||
| 33. | Avocet | 0 | 0 | 82 | 6 | 88 | 0 | 88 | 31 ( 8 Mar) | 9 | 9 | 6 Mar | 7 Apr | ||||
| 34. | Grey Plover | 0 | 0 | 27 | 37 | 64 | 0 | 64 | 16 (15 Mar) | 8 | 8 | 11 Mar | 22 Apr | ||||
| 35. | Golden Plover | 1 | 0 | 8 | 31 | 40 | 1 | 39 | 30 ( 3 Apr) | 4 | 4 | 1 Jan | 15 Apr | ||||
| 36. | Ringed Plover | 0 | 0 | 17 | 2 | 19 | 0 | 19 | 10 ( 9 Mar) | 4 | 4 | 9 Mar | 8 Apr | ||||
| 37. | Lapwing | 0 | 2 | 0 | 0 | 2 | 0 | 2 | 2 (19 Feb) | 1 | 1 | 19 Feb | 19 Feb | ||||
| 38. | Whimbrel | 0 | 0 | 4 | 226 | 230 | 0 | 230 | 42 ( 8 Apr) | 14 | 14 | 31 Mar | 23 Apr | ||||
| 39. | Curlew | 0 | 1 | 11 | 70 | 82 | 1 | 81 | 13 ( 5 Apr) | 13 | 13 | 23 Feb | 23 Apr | ||||
| 40. | Bar-tailed Godwit | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 (17 Apr) | 1 | 1 | 17 Apr | 17 Apr | ||||
| 41. | Black-tailed Godwit | 0 | 0 | 14 | 0 | 14 | 8 | 6 | 8 ( 8 Mar) | 2 | 2 | 8 Mar | 21 Mar | ||||
| 42. | Redshank | 0 | 0 | 6 | 13 | 19 | 1 | 18 | 11 ( 4 Apr) | 6 | 6 | 6 Mar | 8 Apr | ||||
| 43. | Knot | 0 | 0 | 12 | 25 | 37 | 0 | 37 | 25 ( 4 Apr) | 3 | 3 | 11 Mar | 4 Apr | ||||
| 44. | wader sp. | 0 | 0 | 45 | 81 | 126 | 0 | 126 | 27 ( 3 Apr) | 10 | 10 | 11 Mar | 19 Apr | ||||
| 45. | small wader | 0 | 0 | 0 | 5 | 5 | 0 | 5 | 5 (19 Apr) | 1 | 1 | 19 Apr | 19 Apr | ||||
| 46. | Sanderling | 153 | 34 | 60 | 17 | 264 | 90 | 174 | 102 (31 Jan) | 20 | 20 | 3 Jan | 23 Apr | ||||
| 47. | Dunlin | 0 | 6 | 1202 | 802 | 2010 | 3 | 2007 | 297 (14 Mar) | 28 | 29 | 18 Feb | 19 Apr | ||||
| 48. | Calidris sp. | 0 | 0 | 6 | 0 | 6 | 0 | 6 | 4 (15 Mar) | 2 | 2 | 15 Mar | 31 Mar | ||||
| 49. | Little Tern | 0 | 0 | 0 | 93 | 93 | 0 | 93 | 63 (18 Apr) | 5 | 5 | 9 Apr | 21 Apr | ||||
| 50. | Black Tern | 0 | 0 | 0 | 35 | 35 | 4 | 31 | 27 (21 Apr) | 5 | 5 | 8 Apr | 22 Apr | ||||
| 51. | Arctic Tern | 0 | 0 | 0 | 17 | 17 | 0 | 17 | 7 ( 9 Apr) | 3 | 3 | 9 Apr | 21 Apr | ||||
| 52. | Common/Arctic Tern | 0 | 0 | 0 | 227 | 227 | 0 | 227 | 110 (21 Apr) | 6 | 6 | 8 Apr | 23 Apr | ||||
| 53. | Common Tern | 0 | 0 | 0 | 3035 | 3035 | 589 | 2446 | 395 ( 9 Apr) | 19 | 19 | 3 Apr | 23 Apr | ||||
| 54. | Sandwich Tern | 0 | 0 | 24 | 2262 | 2286 | 210 | 2076 | 379 ( 9 Apr) | 25 | 26 | 18 Mar | 23 Apr | ||||
| 55. | Little Gull | 1 | 1 | 34 | 295 | 331 | 2 | 329 | 264 (21 Apr) | 10 | 10 | 28 Jan | 23 Apr | ||||
| 56. | Kittiwake | 94 | 0 | 0 | 0 | 94 | 92 | 2 | 42 ( 8 Jan) | 4 | 4 | 3 Jan | 10 Jan | ||||
| 57. | Black-headed Gull | 1202 | 683 | 1684 | 1394 | 4963 | 1691 | 3272 | 305 (21 Mar) | 99 | 101 | 1 Jan | 23 Apr | ||||
| 58. | Mediterranean Gull | 0 | 0 | 1 | 3 | 4 | 2 | 2 | 2 (12 Apr) | 3 | 3 | 21 Mar | 12 Apr | ||||
| 59. | Common Gull | 301 | 150 | 671 | 1653 | 2775 | 583 | 2192 | 790 (12 Apr) | 88 | 90 | 1 Jan | 23 Apr | ||||
| 60. | Caspian Gull | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 ( 9 Apr) | 1 | 1 | 9 Apr | 9 Apr | ||||
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Herring Gull | 517 | 537 | 665 | 433 | 2152 | 849 | 1303 | 149 (25 Jan) | 82 | 84 | 1 Jan | 21 Apr | ||||
| 62. | Great Black-backed Gull | 93 | 19 | 23 | 20 | 155 | 69 | 86 | 28 ( 1 Jan) | 51 | 52 | 1 Jan | 12 Apr | ||||
| 63. | Lesser Black-backed Gull | 14 | 172 | 1338 | 383 | 1907 | 198 | 1709 | 679 ( 9 Mar) | 70 | 71 | 1 Jan | 23 Apr | ||||
| 64. | Laridae sp. | 0 | 0 | 54 | 0 | 54 | 29 | 25 | 54 ( 6 Mar) | 1 | 1 | 6 Mar | 6 Mar | ||||
| 65. | Razorbill/Guillemot | 4 | 0 | 0 | 0 | 4 | 4 | 0 | 2 ( 8 Jan) | 3 | 3 | 7 Jan | 14 Jan | ||||
| 66. | Guillemot | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (14 Jan) | 1 | 1 | 14 Jan | 14 Jan | ||||
| 67. | Red-throated Diver | 1008 | 248 | 92 | 38 | 1386 | 1176 | 210 | 337 ( 4 Jan) | 75 | 77 | 1 Jan | 22 Apr | ||||
| 68. | Black-throated Diver | 0 | 0 | 1 | 1 | 2 | 0 | 2 | 1 (31 Mar) | 2 | 2 | 31 Mar | 19 Apr | ||||
| 69. | diver sp. | 45 | 11 | 0 | 1 | 57 | 54 | 3 | 18 ( 2 Jan) | 10 | 10 | 2 Jan | 14 Apr | ||||
| 70. | Manx Shearwater | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 (10 Apr) | 1 | 1 | 10 Apr | 10 Apr | ||||
| 71. | Gannet | 338 | 38 | 89 | 8 | 473 | 349 | 124 | 67 ( 1 Jan) | 49 | 50 | 1 Jan | 14 Apr | ||||
| 72. | Cormorant | 10782 | 1267 | 1053 | 888 | 13990 | 5169 | 8821 | 2187 (12 Jan) | 98 | 100 | 1 Jan | 23 Apr | ||||
| 73. | Spoonbill | 0 | 0 | 1 | 54 | 55 | 0 | 55 | 27 ( 6 Apr) | 6 | 6 | 21 Mar | 15 Apr | ||||
| 74. | Grey Heron | 1 | 1 | 5 | 31 | 38 | 1 | 37 | 12 ( 3 Apr) | 13 | 13 | 13 Jan | 13 Apr | ||||
| 75. | Marsh Harrier | 0 | 0 | 2 | 2 | 4 | 0 | 4 | 1 (18 Mar) | 4 | 4 | 18 Mar | 8 Apr | ||||
| 76. | Peregrine | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 5 Apr) | 1 | 1 | 5 Apr | 5 Apr | ||||
| 77. | Rook | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 (12 Apr) | 1 | 1 | 12 Apr | 12 Apr | ||||
| 78. | Swallow | 0 | 0 | 0 | 16 | 16 | 3 | 13 | 9 (21 Apr) | 6 | 6 | 3 Apr | 23 Apr | ||||
| 79. | Starling | 0 | 3 | 408 | 0 | 411 | 0 | 411 | 341 (21 Mar) | 6 | 6 | 28 Feb | 21 Mar | ||||
| 80. | Yellow wagtail sp. | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 (21 Apr) | 1 | 1 | 21 Apr | 21 Apr | ||||
| 81. | White Wagtail | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 1 ( 3 Apr) | 2 | 2 | 3 Apr | 9 Apr | ||||
| 82. | alba wagtail sp. | 0 | 0 | 12 | 0 | 12 | 0 | 12 | 7 (18 Mar) | 3 | 3 | 8 Mar | 22 Mar | ||||
| Other species | |||||||||||||||||
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Harbour Porpoise | 2 | 7 | 8 | 5 | 22 | 11 | 11 | 3 (10 Mar) | 12 | 12 | 12 Jan | 21 Apr | ||||
| 2. | Grey seal | 0 | 1 | 2 | 0 | 3 | 3 | 0 | 2 ( 1 Mar) | 2 | 2 | 19 Feb | 1 Mar | ||||
| 3. | Common Seal | 0 | 1 | 0 | 2 | 3 | 1 | 2 | 2 (21 Apr) | 2 | 2 | 9 Feb | 21 Apr | ||||
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 15986 | 5267 | 15857 | 17678 | 54788 | 14754 | 40034 | 100 | 102 | ||||||||
| Observation hours | 27:37 | 29:25 | 43:43 | 33:24 | 134:09 | ||||||||||||
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