Also present
Totals Bloemendaal aan Zee 2025
| Species | Jan | Feb | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 21 | 22 | 1824 | 713 | 8 | 2588 | 11 | 2577 | 771 (30 Mar) | 67 | 31 | 3 Jan | 8 May | ||||
| 2. | Pale-bellied Brent Goose | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 (12 Mar) | 2 | 1 | 12 Mar | 12 Mar | ||||
| 3. | Canada Goose | 0 | 2 | 13 | 19 | 2 | 36 | 24 | 12 | 10 ( 2 Apr) | 22 | 10 | 26 Feb | 6 May | ||||
| 4. | Barnacle Goose | 0 | 264 | 3150 | 1596 | 0 | 5010 | 434 | 4576 | 1613 ( 8 Mar) | 41 | 19 | 17 Feb | 30 Apr | ||||
| 5. | Greylag Goose | 0 | 83 | 309 | 81 | 0 | 473 | 164 | 309 | 58 ( 7 Mar) | 65 | 30 | 17 Feb | 27 Apr | ||||
| 6. | Anser sp. | 0 | 0 | 74 | 0 | 0 | 74 | 0 | 74 | 70 (23 Mar) | 4 | 2 | 1 Mar | 23 Mar | ||||
| 7. | goose sp. | 0 | 2 | 10 | 0 | 0 | 12 | 0 | 12 | 10 (14 Mar) | 4 | 2 | 18 Feb | 14 Mar | ||||
| 8. | Domestic Goose | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 (10 Mar) | 2 | 1 | 10 Mar | 10 Mar | ||||
| 9. | Pink-footed Goose | 0 | 449 | 0 | 0 | 0 | 449 | 0 | 449 | 387 (26 Feb) | 4 | 2 | 19 Feb | 26 Feb | ||||
| 10. | Eurasian White-fronted Goose | 0 | 0 | 4 | 0 | 0 | 4 | 4 | 0 | 4 ( 1 Mar) | 2 | 1 | 1 Mar | 1 Mar | ||||
| 11. | Egyptian Goose | 0 | 22 | 145 | 77 | 5 | 249 | 51 | 198 | 43 ( 8 Mar) | 61 | 28 | 16 Feb | 6 May | ||||
| 12. | Shelduck | 13 | 33 | 83 | 147 | 46 | 322 | 30 | 292 | 38 ( 5 May) | 85 | 39 | 3 Jan | 8 May | ||||
| 13. | Mandarin | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 7 May) | 2 | 1 | 7 May | 7 May | ||||
| 14. | Garganey | 0 | 0 | 11 | 21 | 0 | 32 | 0 | 32 | 8 ( 3 Apr) | 17 | 8 | 9 Mar | 11 Apr | ||||
| 15. | Shoveler | 0 | 13 | 852 | 1068 | 0 | 1933 | 31 | 1902 | 809 ( 3 Apr) | 59 | 27 | 16 Feb | 30 Apr | ||||
| 16. | Gadwall | 0 | 9 | 22 | 28 | 2 | 61 | 0 | 61 | 11 ( 2 Apr) | 35 | 16 | 17 Feb | 8 May | ||||
| 17. | Wigeon | 5 | 401 | 3356 | 46 | 0 | 3808 | 10 | 3798 | 1372 (12 Mar) | 63 | 29 | 3 Jan | 25 Apr | ||||
| 18. | Mallard | 0 | 0 | 6 | 10 | 0 | 16 | 5 | 11 | 4 (29 Apr) | 15 | 7 | 1 Mar | 29 Apr | ||||
| 19. | Pintail | 0 | 135 | 499 | 85 | 1 | 720 | 0 | 720 | 311 (10 Mar) | 54 | 25 | 16 Feb | 7 May | ||||
| 20. | Teal | 0 | 220 | 3314 | 475 | 23 | 4032 | 22 | 4010 | 783 (29 Mar) | 91 | 42 | 16 Feb | 8 May | ||||
| 21. | duck sp. | 0 | 0 | 28 | 0 | 0 | 28 | 0 | 28 | 20 ( 7 Mar) | 4 | 2 | 6 Mar | 7 Mar | ||||
| 22. | Pochard | 0 | 11 | 0 | 0 | 0 | 11 | 0 | 11 | 10 (28 Feb) | 4 | 2 | 17 Feb | 28 Feb | ||||
| 23. | Tufted Duck | 0 | 0 | 12 | 5 | 3 | 20 | 1 | 19 | 6 (16 Mar) | 15 | 7 | 9 Mar | 7 May | ||||
| 24. | Scaup | 0 | 3 | 9 | 0 | 1 | 13 | 0 | 13 | 5 (14 Mar) | 9 | 4 | 28 Feb | 8 May | ||||
| 25. | Eider | 0 | 52 | 382 | 119 | 12 | 565 | 262 | 303 | 53 (25 Mar) | 83 | 38 | 17 Feb | 8 May | ||||
| 26. | Velvet Scoter | 3 | 4 | 26 | 5 | 0 | 38 | 4 | 34 | 8 (10 Mar) | 22 | 10 | 3 Jan | 16 Apr | ||||
| 27. | Common Scoter | 26 | 240 | 4172 | 2633 | 403 | 7474 | 806 | 6668 | 786 ( 3 Apr) | 100 | 46 | 3 Jan | 8 May | ||||
| 28. | Long-tailed Duck | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 6 May) | 2 | 1 | 6 May | 6 May | ||||
| 29. | Goldeneye | 0 | 1 | 3 | 0 | 0 | 4 | 3 | 1 | 3 (15 Mar) | 4 | 2 | 16 Feb | 15 Mar | ||||
| 30. | Goosander | 0 | 2 | 2 | 3 | 0 | 7 | 1 | 6 | 2 (17 Feb) | 11 | 5 | 17 Feb | 26 Apr | ||||
| Species | Jan | Feb | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Red-breasted Merganser | 1 | 12 | 208 | 157 | 3 | 381 | 20 | 361 | 37 (29 Mar) | 78 | 36 | 3 Jan | 8 May | ||||
| 32. | Swift | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 2 ( 5 May) | 2 | 1 | 5 May | 5 May | ||||
| 33. | Red-necked Grebe | 0 | 0 | 2 | 0 | 0 | 2 | 1 | 1 | 1 ( 7 Mar) | 4 | 2 | 7 Mar | 11 Mar | ||||
| 34. | Great Crested Grebe | 0 | 77 | 92 | 49 | 26 | 244 | 50 | 194 | 34 (19 Feb) | 80 | 37 | 16 Feb | 8 May | ||||
| 35. | Oystercatcher | 0 | 26 | 100 | 164 | 97 | 387 | 80 | 307 | 54 ( 5 May) | 91 | 42 | 16 Feb | 8 May | ||||
| 36. | Avocet | 0 | 0 | 193 | 12 | 2 | 207 | 0 | 207 | 83 ( 6 Mar) | 22 | 10 | 6 Mar | 5 May | ||||
| 37. | Grey Plover | 0 | 0 | 60 | 192 | 715 | 967 | 0 | 967 | 482 ( 5 May) | 46 | 21 | 12 Mar | 8 May | ||||
| 38. | Ringed Plover | 0 | 0 | 10 | 7 | 74 | 91 | 0 | 91 | 54 ( 5 May) | 20 | 9 | 10 Mar | 8 May | ||||
| 39. | Lapwing | 0 | 160 | 7 | 0 | 0 | 167 | 144 | 23 | 145 (19 Feb) | 11 | 5 | 18 Feb | 10 Mar | ||||
| 40. | Whimbrel | 0 | 0 | 0 | 267 | 115 | 382 | 2 | 380 | 107 ( 5 Apr) | 33 | 15 | 3 Apr | 8 May | ||||
| 41. | Curlew | 0 | 9 | 40 | 34 | 7 | 90 | 0 | 90 | 11 ( 1 Apr) | 54 | 25 | 19 Feb | 8 May | ||||
| 42. | Bar-tailed Godwit | 0 | 0 | 16 | 325 | 351 | 692 | 0 | 692 | 241 ( 5 May) | 30 | 14 | 31 Mar | 8 May | ||||
| 43. | Black-tailed Godwit | 0 | 0 | 1 | 2 | 0 | 3 | 0 | 3 | 1 (10 Mar) | 7 | 3 | 10 Mar | 7 Apr | ||||
| 44. | Green Sandpiper | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 7 Apr) | 2 | 1 | 7 Apr | 7 Apr | ||||
| 45. | Wood Sandpiper | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (29 Apr) | 2 | 1 | 29 Apr | 29 Apr | ||||
| 46. | Redshank | 0 | 0 | 5 | 34 | 74 | 113 | 4 | 109 | 73 ( 5 May) | 20 | 9 | 6 Mar | 6 May | ||||
| 47. | Spotted Redshank | 0 | 0 | 1 | 11 | 0 | 12 | 0 | 12 | 11 (29 Apr) | 4 | 2 | 31 Mar | 29 Apr | ||||
| 48. | Greenshank | 0 | 0 | 0 | 2 | 1 | 3 | 0 | 3 | 1 (29 Apr) | 7 | 3 | 29 Apr | 5 May | ||||
| 49. | Turnstone | 0 | 0 | 1 | 8 | 37 | 46 | 0 | 46 | 26 ( 5 May) | 20 | 9 | 31 Mar | 8 May | ||||
| 50. | Knot | 0 | 1 | 143 | 304 | 2286 | 2734 | 0 | 2734 | 2069 ( 5 May) | 39 | 18 | 28 Feb | 8 May | ||||
| 51. | Ruff | 0 | 0 | 9 | 107 | 0 | 116 | 0 | 116 | 62 ( 3 Apr) | 15 | 7 | 10 Mar | 30 Apr | ||||
| 52. | wader sp. | 0 | 0 | 1 | 1 | 185 | 187 | 0 | 187 | 185 ( 5 May) | 7 | 3 | 17 Mar | 5 May | ||||
| 53. | Curlew Sandpiper | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 8 May) | 2 | 1 | 8 May | 8 May | ||||
| 54. | Sanderling | 34 | 69 | 392 | 142 | 699 | 1336 | 95 | 1241 | 358 ( 8 May) | 67 | 31 | 3 Jan | 8 May | ||||
| 55. | Dunlin | 0 | 73 | 4356 | 3081 | 105 | 7615 | 9 | 7606 | 1952 (10 Mar) | 80 | 37 | 18 Feb | 8 May | ||||
| 56. | Purple Sandpiper | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 2 | 1 (17 Mar) | 4 | 2 | 17 Mar | 5 May | ||||
| 57. | Little Stint | 0 | 0 | 0 | 0 | 5 | 5 | 0 | 5 | 3 ( 7 May) | 4 | 2 | 5 May | 7 May | ||||
| 58. | Little Tern | 0 | 0 | 0 | 130 | 179 | 309 | 16 | 293 | 110 ( 5 May) | 22 | 10 | 20 Apr | 8 May | ||||
| 59. | Gull-billed Tern | 0 | 0 | 0 | 0 | 4 | 4 | 0 | 4 | 2 ( 5 May) | 4 | 2 | 5 May | 6 May | ||||
| 60. | Black Tern | 0 | 0 | 0 | 32 | 115 | 147 | 2 | 145 | 54 ( 5 May) | 22 | 10 | 20 Apr | 8 May | ||||
| Species | Jan | Feb | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Arctic Tern | 0 | 0 | 0 | 107 | 131 | 238 | 0 | 238 | 38 ( 5 May) | 20 | 9 | 20 Apr | 8 May | ||||
| 62. | Common/Arctic Tern | 0 | 0 | 0 | 2259 | 3765 | 6024 | 230 | 5794 | 1722 ( 8 May) | 26 | 12 | 7 Apr | 8 May | ||||
| 63. | Common Tern | 0 | 0 | 0 | 674 | 295 | 969 | 118 | 851 | 249 (29 Apr) | 24 | 11 | 3 Apr | 7 May | ||||
| 64. | Sandwich Tern | 0 | 0 | 48 | 3629 | 312 | 3989 | 345 | 3644 | 801 (26 Apr) | 54 | 25 | 17 Mar | 8 May | ||||
| 65. | Little Gull | 0 | 2 | 382 | 1834 | 53 | 2271 | 21 | 2250 | 622 (26 Apr) | 50 | 23 | 28 Feb | 7 May | ||||
| 66. | Kittiwake | 1 | 0 | 1 | 0 | 0 | 2 | 1 | 1 | 1 ( 3 Jan) | 4 | 2 | 3 Jan | 12 Mar | ||||
| 67. | Black-headed Gull | 7 | 201 | 5380 | 2683 | 164 | 8435 | 406 | 8029 | 2348 (22 Mar) | 100 | 46 | 3 Jan | 8 May | ||||
| 68. | Mediterranean Gull | 0 | 1 | 5 | 7 | 0 | 13 | 2 | 11 | 2 (22 Mar) | 20 | 9 | 17 Feb | 29 Apr | ||||
| 69. | Common Gull | 69 | 282 | 4656 | 4151 | 464 | 9622 | 230 | 9392 | 2137 (30 Mar) | 98 | 45 | 3 Jan | 8 May | ||||
| 70. | Caspian Gull | 0 | 1 | 3 | 1 | 1 | 6 | 1 | 5 | 1 (28 Feb) | 13 | 6 | 28 Feb | 7 May | ||||
| 71. | Herring Gull | 56 | 254 | 1287 | 297 | 180 | 2074 | 457 | 1617 | 179 (30 Mar) | 89 | 41 | 3 Jan | 8 May | ||||
| 72. | Yellow-legged Gull | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 (10 Mar) | 2 | 1 | 10 Mar | 10 Mar | ||||
| 73. | Great Black-backed Gull | 26 | 21 | 79 | 46 | 13 | 185 | 42 | 143 | 26 ( 3 Jan) | 85 | 39 | 3 Jan | 8 May | ||||
| 74. | Lesser Black-backed Gull | 1 | 103 | 2593 | 935 | 346 | 3978 | 234 | 3744 | 636 ( 9 Mar) | 91 | 42 | 3 Jan | 8 May | ||||
| 75. | Arctic Skua | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 8 May) | 2 | 1 | 8 May | 8 May | ||||
| 76. | Red-throated Diver | 0 | 127 | 139 | 53 | 2 | 321 | 31 | 290 | 36 (19 Feb) | 83 | 38 | 16 Feb | 8 May | ||||
| 77. | Black-throated Diver | 0 | 1 | 9 | 1 | 0 | 11 | 1 | 10 | 4 (23 Mar) | 13 | 6 | 26 Feb | 20 Apr | ||||
| 78. | diver sp. | 5 | 12 | 71 | 10 | 1 | 99 | 15 | 84 | 14 (29 Mar) | 52 | 24 | 3 Jan | 6 May | ||||
| 79. | Fulmar | 1 | 0 | 0 | 1 | 0 | 2 | 1 | 1 | 1 ( 3 Jan) | 4 | 2 | 3 Jan | 3 Apr | ||||
| 80. | Gannet | 48 | 18 | 219 | 17 | 10 | 312 | 108 | 204 | 59 (30 Mar) | 72 | 33 | 3 Jan | 8 May | ||||
| 81. | Cormorant | 144 | 1036 | 2247 | 1582 | 803 | 5812 | 1558 | 4254 | 367 (19 Feb) | 98 | 45 | 3 Jan | 8 May | ||||
| 82. | Spoonbill | 0 | 0 | 29 | 27 | 0 | 56 | 0 | 56 | 29 (23 Mar) | 11 | 5 | 23 Mar | 30 Apr | ||||
| 83. | Cattle Egret | 0 | 1 | 0 | 1 | 0 | 2 | 1 | 1 | 1 (18 Feb) | 4 | 2 | 18 Feb | 29 Apr | ||||
| 84. | Grey Heron | 0 | 1 | 17 | 50 | 0 | 68 | 0 | 68 | 38 ( 3 Apr) | 26 | 12 | 19 Feb | 29 Apr | ||||
| 85. | Marsh Harrier | 0 | 0 | 2 | 2 | 0 | 4 | 0 | 4 | 1 (16 Mar) | 9 | 4 | 16 Mar | 30 Apr | ||||
| 86. | Short-eared Owl | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 3 Apr) | 2 | 1 | 3 Apr | 3 Apr | ||||
| 87. | Kestrel | 0 | 0 | 0 | 5 | 0 | 5 | 0 | 5 | 3 ( 5 Apr) | 4 | 2 | 3 Apr | 5 Apr | ||||
| 88. | Merlin | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 2 | 1 ( 5 Apr) | 4 | 2 | 5 Apr | 6 Apr | ||||
| 89. | Hobby | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 5 May) | 2 | 1 | 5 May | 5 May | ||||
| 90. | Peregrine | 0 | 0 | 2 | 0 | 0 | 2 | 1 | 1 | 1 ( 9 Mar) | 4 | 2 | 9 Mar | 15 Mar | ||||
| Species | Jan | Feb | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 91. | Jackdaw | 0 | 0 | 8 | 0 | 0 | 8 | 4 | 4 | 4 ( 8 Mar) | 4 | 2 | 8 Mar | 29 Mar | ||||
| 92. | Rook | 0 | 0 | 2 | 1 | 0 | 3 | 2 | 1 | 1 ( 6 Mar) | 7 | 3 | 6 Mar | 7 Apr | ||||
| 93. | Carrion Crow | 0 | 9 | 9 | 3 | 2 | 23 | 7 | 16 | 4 (19 Feb) | 22 | 10 | 18 Feb | 7 May | ||||
| 94. | Skylark | 0 | 2 | 3 | 0 | 0 | 5 | 0 | 5 | 2 (18 Feb) | 7 | 3 | 18 Feb | 8 Mar | ||||
| 95. | Sand Martin | 0 | 0 | 0 | 7 | 4 | 11 | 0 | 11 | 7 (29 Apr) | 7 | 3 | 29 Apr | 8 May | ||||
| 96. | Swallow | 0 | 0 | 0 | 26 | 63 | 89 | 19 | 70 | 23 ( 8 May) | 17 | 8 | 20 Apr | 8 May | ||||
| 97. | Chiffchaff/Willow Warbler | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (25 Apr) | 2 | 1 | 25 Apr | 25 Apr | ||||
| 98. | Starling | 0 | 34 | 177 | 0 | 0 | 211 | 0 | 211 | 103 (16 Mar) | 26 | 12 | 16 Feb | 25 Mar | ||||
| 99. | Yellow Wagtail (flavissima) | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (25 Apr) | 2 | 1 | 25 Apr | 25 Apr | ||||
| 100. | Yellow wagtail sp. | 0 | 0 | 0 | 4 | 6 | 10 | 1 | 9 | 3 (29 Apr) | 11 | 5 | 25 Apr | 8 May | ||||
| 101. | White Wagtail | 0 | 0 | 20 | 0 | 1 | 21 | 2 | 19 | 9 (10 Mar) | 13 | 6 | 1 Mar | 5 May | ||||
| 102. | alba wagtail sp. | 0 | 0 | 89 | 13 | 5 | 107 | 4 | 103 | 13 (23 Mar) | 52 | 24 | 1 Mar | 8 May | ||||
| 103. | Pied Wagtail | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 2 | 1 (10 Mar) | 4 | 2 | 10 Mar | 11 Mar | ||||
| 104. | Meadow Pipit | 0 | 7 | 70 | 14 | 9 | 100 | 0 | 100 | 14 (10 Mar) | 50 | 23 | 17 Feb | 7 May | ||||
| 105. | Tree Pipit | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (25 Apr) | 2 | 1 | 25 Apr | 25 Apr | ||||
| 106. | Rock Pipit/Water Pipit | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 2 | 1 (14 Mar) | 4 | 2 | 14 Mar | 22 Mar | ||||
| 107. | Linnet | 0 | 0 | 6 | 4 | 4 | 14 | 0 | 14 | 2 (25 Mar) | 17 | 8 | 8 Mar | 8 May | ||||
| 108. | Goldfinch | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 2 | 1 ( 1 Apr) | 4 | 2 | 1 Apr | 5 May | ||||
| 109. | Siskin | 0 | 0 | 5 | 0 | 0 | 5 | 0 | 5 | 3 ( 6 Mar) | 7 | 3 | 6 Mar | 16 Mar | ||||
| 110. | Reed Bunting | 0 | 0 | 2 | 1 | 0 | 3 | 0 | 3 | 1 ( 7 Mar) | 7 | 3 | 7 Mar | 26 Apr | ||||
| Other species | ||||||||||||||||||
| Species | Jan | Feb | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Harbour Porpoise | 0 | 8 | 6 | 3 | 0 | 17 | 10 | 7 | 3 (26 Feb) | 24 | 11 | 16 Feb | 30 Apr | ||||
| 2. | Common Seal | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 ( 9 Mar) | 2 | 1 | 9 Mar | 9 Mar | ||||
| Species | Jan | Feb | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 461 | 4516 | 41518 | 30649 | 12229 | 89373 | 6138 | 83235 | 100 | 46 | ||||||||
| Observation hours | 2:00 | 13:30 | 53:30 | 39:30 | 16:00 | 124:30 | ||||||||||||
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