Also present
Totals Parnassia, Kennemerduinen 2025
| Species | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 0 | 51 | 224 | 275 | 0 | 275 | 216 ( 4 Apr) | 44 | 4 | 19 Mar | 5 Apr | ||||
| 2. | Canada Goose | 0 | 12 | 5 | 17 | 1 | 16 | 8 ( 9 Mar) | 56 | 5 | 9 Mar | 5 Apr | ||||
| 3. | Barnacle Goose | 16 | 1728 | 1159 | 2903 | 186 | 2717 | 1138 ( 4 Apr) | 100 | 9 | 21 Feb | 5 Apr | ||||
| 4. | Lesser Canada Goose | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 9 Mar) | 11 | 1 | 9 Mar | 9 Mar | ||||
| 5. | Greylag Goose | 18 | 212 | 106 | 336 | 87 | 249 | 74 (19 Mar) | 100 | 9 | 21 Feb | 5 Apr | ||||
| 6. | goose sp. | 15 | 334 | 0 | 349 | 0 | 349 | 252 (19 Mar) | 44 | 4 | 21 Feb | 19 Mar | ||||
| 7. | Pink-footed Goose | 100 | 0 | 0 | 100 | 0 | 100 | 100 (21 Feb) | 11 | 1 | 21 Feb | 21 Feb | ||||
| 8. | Tundra Bean Goose | 0 | 62 | 0 | 62 | 0 | 62 | 62 (19 Mar) | 11 | 1 | 19 Mar | 19 Mar | ||||
| 9. | Eurasian White-fronted Goose | 0 | 18 | 0 | 18 | 0 | 18 | 14 (18 Mar) | 22 | 2 | 18 Mar | 19 Mar | ||||
| 10. | Egyptian Goose | 0 | 33 | 56 | 89 | 15 | 74 | 26 ( 2 Apr) | 67 | 6 | 9 Mar | 5 Apr | ||||
| 11. | Shelduck | 0 | 63 | 18 | 81 | 5 | 76 | 44 (19 Mar) | 67 | 6 | 9 Mar | 5 Apr | ||||
| 12. | Garganey | 0 | 9 | 4 | 13 | 0 | 13 | 4 ( 9 Mar) | 44 | 4 | 9 Mar | 5 Apr | ||||
| 13. | Shoveler | 0 | 380 | 550 | 930 | 20 | 910 | 525 ( 4 Apr) | 78 | 7 | 9 Mar | 5 Apr | ||||
| 14. | Gadwall | 0 | 9 | 4 | 13 | 1 | 12 | 7 (19 Mar) | 33 | 3 | 9 Mar | 4 Apr | ||||
| 15. | Wigeon | 0 | 248 | 6 | 254 | 0 | 254 | 184 (21 Mar) | 67 | 6 | 9 Mar | 5 Apr | ||||
| 16. | Mallard | 0 | 6 | 12 | 18 | 2 | 16 | 10 ( 4 Apr) | 56 | 5 | 18 Mar | 5 Apr | ||||
| 17. | Pintail | 0 | 74 | 30 | 104 | 1 | 103 | 55 ( 9 Mar) | 67 | 6 | 9 Mar | 5 Apr | ||||
| 18. | Teal | 0 | 981 | 262 | 1243 | 55 | 1188 | 324 (19 Mar) | 78 | 7 | 9 Mar | 5 Apr | ||||
| 19. | Pochard | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 2 Apr) | 11 | 1 | 2 Apr | 2 Apr | ||||
| 20. | Tufted Duck | 0 | 15 | 1 | 16 | 0 | 16 | 6 (18 Mar) | 56 | 5 | 9 Mar | 4 Apr | ||||
| 21. | Eider | 0 | 37 | 58 | 95 | 16 | 79 | 34 ( 4 Apr) | 78 | 7 | 9 Mar | 5 Apr | ||||
| 22. | Velvet Scoter | 0 | 2 | 4 | 6 | 0 | 6 | 3 ( 4 Apr) | 33 | 3 | 21 Mar | 4 Apr | ||||
| 23. | Common Scoter | 0 | 302 | 633 | 935 | 199 | 736 | 305 ( 4 Apr) | 78 | 7 | 9 Mar | 5 Apr | ||||
| 24. | Goosander | 0 | 1 | 0 | 1 | 0 | 1 | 1 (21 Mar) | 11 | 1 | 21 Mar | 21 Mar | ||||
| 25. | Red-breasted Merganser | 0 | 54 | 71 | 125 | 5 | 120 | 50 ( 4 Apr) | 78 | 7 | 9 Mar | 5 Apr | ||||
| 26. | Stock Dove | 1 | 4 | 0 | 5 | 1 | 4 | 2 ( 9 Mar) | 33 | 3 | 21 Feb | 21 Mar | ||||
| 27. | Woodpigeon | 36 | 881 | 291 | 1208 | 0 | 1208 | 476 (19 Mar) | 100 | 9 | 21 Feb | 5 Apr | ||||
| 28. | Great Crested Grebe | 0 | 56 | 5 | 61 | 4 | 57 | 33 (19 Mar) | 67 | 6 | 9 Mar | 5 Apr | ||||
| 29. | Oystercatcher | 1 | 49 | 52 | 102 | 57 | 45 | 48 (21 Mar) | 67 | 6 | 21 Feb | 5 Apr | ||||
| 30. | Avocet | 0 | 124 | 5 | 129 | 1 | 128 | 79 (19 Mar) | 56 | 5 | 18 Mar | 4 Apr | ||||
| Species | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Grey Plover | 0 | 0 | 47 | 47 | 0 | 47 | 32 ( 5 Apr) | 33 | 3 | 2 Apr | 5 Apr | ||||
| 32. | Golden Plover | 0 | 9 | 0 | 9 | 0 | 9 | 9 (21 Mar) | 11 | 1 | 21 Mar | 21 Mar | ||||
| 33. | Ringed Plover | 0 | 5 | 5 | 10 | 0 | 10 | 4 (21 Mar) | 44 | 4 | 9 Mar | 5 Apr | ||||
| 34. | Little Ringed Plover | 0 | 5 | 2 | 7 | 0 | 7 | 3 (21 Mar) | 44 | 4 | 18 Mar | 4 Apr | ||||
| 35. | Lapwing | 1 | 23 | 6 | 30 | 2 | 28 | 16 ( 9 Mar) | 89 | 8 | 21 Feb | 5 Apr | ||||
| 36. | Whimbrel | 0 | 2 | 60 | 62 | 0 | 62 | 46 ( 4 Apr) | 44 | 4 | 18 Mar | 5 Apr | ||||
| 37. | Curlew | 3 | 2 | 14 | 19 | 0 | 19 | 12 ( 5 Apr) | 56 | 5 | 21 Feb | 5 Apr | ||||
| 38. | Bar-tailed Godwit | 0 | 2 | 0 | 2 | 0 | 2 | 2 (18 Mar) | 11 | 1 | 18 Mar | 18 Mar | ||||
| 39. | Black-tailed Godwit | 0 | 20 | 0 | 20 | 1 | 19 | 15 ( 9 Mar) | 22 | 2 | 9 Mar | 21 Mar | ||||
| 40. | Snipe | 1 | 27 | 7 | 35 | 0 | 35 | 15 (18 Mar) | 89 | 8 | 21 Feb | 5 Apr | ||||
| 41. | Green Sandpiper | 0 | 1 | 5 | 6 | 0 | 6 | 5 ( 4 Apr) | 22 | 2 | 21 Mar | 4 Apr | ||||
| 42. | Redshank | 0 | 17 | 39 | 56 | 0 | 56 | 20 ( 2 Apr) | 67 | 6 | 18 Mar | 5 Apr | ||||
| 43. | Spotted Redshank | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 4 Apr) | 11 | 1 | 4 Apr | 4 Apr | ||||
| 44. | Greenshank | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 4 Apr) | 11 | 1 | 4 Apr | 4 Apr | ||||
| 45. | Knot | 0 | 2 | 32 | 34 | 0 | 34 | 25 ( 5 Apr) | 33 | 3 | 21 Mar | 5 Apr | ||||
| 46. | Ruff | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 2 Apr) | 11 | 1 | 2 Apr | 2 Apr | ||||
| 47. | wader sp. | 0 | 1 | 0 | 1 | 0 | 1 | 1 (18 Mar) | 11 | 1 | 18 Mar | 18 Mar | ||||
| 48. | Sanderling | 0 | 513 | 15 | 528 | 52 | 476 | 314 ( 9 Mar) | 67 | 6 | 9 Mar | 5 Apr | ||||
| 49. | Dunlin | 0 | 621 | 2992 | 3613 | 0 | 3613 | 2760 ( 4 Apr) | 78 | 7 | 9 Mar | 5 Apr | ||||
| 50. | Purple Sandpiper | 0 | 0 | 3 | 3 | 0 | 3 | 3 ( 4 Apr) | 11 | 1 | 4 Apr | 4 Apr | ||||
| 51. | Little Tern | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 5 Apr) | 11 | 1 | 5 Apr | 5 Apr | ||||
| 52. | Common Tern | 0 | 0 | 53 | 53 | 6 | 47 | 52 ( 5 Apr) | 22 | 2 | 4 Apr | 5 Apr | ||||
| 53. | Sandwich Tern | 0 | 2 | 425 | 427 | 0 | 427 | 252 ( 4 Apr) | 56 | 5 | 19 Mar | 5 Apr | ||||
| 54. | Little Gull | 0 | 15 | 20 | 35 | 0 | 35 | 20 ( 2 Apr) | 22 | 2 | 18 Mar | 2 Apr | ||||
| 55. | Black-headed Gull | 2 | 3449 | 1941 | 5392 | 115 | 5277 | 2179 (21 Mar) | 89 | 8 | 21 Feb | 5 Apr | ||||
| 56. | Mediterranean Gull | 0 | 3 | 3 | 6 | 2 | 4 | 3 ( 4 Apr) | 33 | 3 | 19 Mar | 4 Apr | ||||
| 57. | Common Gull | 2 | 1343 | 1211 | 2556 | 7 | 2549 | 926 (21 Mar) | 100 | 9 | 21 Feb | 5 Apr | ||||
| 58. | Caspian Gull | 0 | 2 | 0 | 2 | 1 | 1 | 2 (21 Mar) | 11 | 1 | 21 Mar | 21 Mar | ||||
| 59. | Herring Gull | 0 | 365 | 0 | 365 | 39 | 326 | 210 (21 Mar) | 22 | 2 | 9 Mar | 21 Mar | ||||
| 60. | Great Black-backed Gull | 0 | 17 | 0 | 17 | 1 | 16 | 15 (21 Mar) | 22 | 2 | 9 Mar | 21 Mar | ||||
| Species | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Lesser Black-backed Gull | 6 | 741 | 267 | 1014 | 12 | 1002 | 507 ( 9 Mar) | 67 | 6 | 21 Feb | 5 Apr | ||||
| 62. | Red-throated Diver | 0 | 27 | 14 | 41 | 2 | 39 | 11 (19 Mar) | 78 | 7 | 9 Mar | 5 Apr | ||||
| 63. | diver sp. | 0 | 12 | 2 | 14 | 4 | 10 | 6 (18 Mar) | 56 | 5 | 9 Mar | 4 Apr | ||||
| 64. | White Stork | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 5 Apr) | 11 | 1 | 5 Apr | 5 Apr | ||||
| 65. | Gannet | 0 | 52 | 4 | 56 | 2 | 54 | 35 (21 Mar) | 56 | 5 | 9 Mar | 4 Apr | ||||
| 66. | Cormorant | 0 | 956 | 883 | 1839 | 394 | 1445 | 449 ( 4 Apr) | 89 | 8 | 7 Mar | 5 Apr | ||||
| 67. | Spoonbill | 0 | 18 | 4 | 22 | 0 | 22 | 18 (21 Mar) | 33 | 3 | 21 Mar | 5 Apr | ||||
| 68. | Little Egret | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 9 Mar) | 11 | 1 | 9 Mar | 9 Mar | ||||
| 69. | Great White Egret | 0 | 6 | 7 | 13 | 1 | 12 | 6 (21 Mar) | 44 | 4 | 21 Mar | 5 Apr | ||||
| 70. | Grey Heron | 0 | 57 | 33 | 90 | 0 | 90 | 36 (19 Mar) | 89 | 8 | 7 Mar | 5 Apr | ||||
| 71. | Sparrowhawk | 0 | 1 | 0 | 1 | 0 | 1 | 1 (19 Mar) | 11 | 1 | 19 Mar | 19 Mar | ||||
| 72. | Marsh Harrier | 0 | 3 | 4 | 7 | 0 | 7 | 3 (21 Mar) | 33 | 3 | 21 Mar | 5 Apr | ||||
| 73. | Red Kite | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 4 Apr) | 11 | 1 | 4 Apr | 4 Apr | ||||
| 74. | White-tailed Eagle | 0 | 1 | 0 | 1 | 0 | 1 | 1 (19 Mar) | 11 | 1 | 19 Mar | 19 Mar | ||||
| 75. | Common Buzzard | 1 | 0 | 0 | 1 | 0 | 1 | 1 (21 Feb) | 11 | 1 | 21 Feb | 21 Feb | ||||
| 76. | Kestrel | 0 | 0 | 11 | 11 | 1 | 10 | 9 ( 4 Apr) | 22 | 2 | 4 Apr | 5 Apr | ||||
| 77. | Merlin | 0 | 1 | 1 | 2 | 0 | 2 | 1 (19 Mar) | 22 | 2 | 19 Mar | 5 Apr | ||||
| 78. | Peregrine | 0 | 4 | 1 | 5 | 3 | 2 | 2 ( 9 Mar) | 44 | 4 | 7 Mar | 4 Apr | ||||
| 79. | Magpie | 0 | 4 | 0 | 4 | 0 | 4 | 2 ( 9 Mar) | 22 | 2 | 9 Mar | 19 Mar | ||||
| 80. | Jackdaw | 0 | 71 | 22 | 93 | 0 | 93 | 49 (19 Mar) | 89 | 8 | 7 Mar | 5 Apr | ||||
| 81. | Rook | 0 | 2 | 2 | 4 | 3 | 1 | 2 (21 Mar) | 22 | 2 | 21 Mar | 4 Apr | ||||
| 82. | Carrion Crow | 0 | 27 | 8 | 35 | 1 | 34 | 11 (19 Mar) | 78 | 7 | 9 Mar | 5 Apr | ||||
| 83. | Blue Tit | 0 | 3 | 0 | 3 | 0 | 3 | 3 ( 9 Mar) | 11 | 1 | 9 Mar | 9 Mar | ||||
| 84. | Great Tit | 1 | 3 | 0 | 4 | 0 | 4 | 2 ( 9 Mar) | 33 | 3 | 21 Feb | 21 Mar | ||||
| 85. | Wood Lark | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 7 Mar) | 11 | 1 | 7 Mar | 7 Mar | ||||
| 86. | Skylark | 1 | 7 | 1 | 9 | 0 | 9 | 6 (21 Mar) | 44 | 4 | 21 Feb | 5 Apr | ||||
| 87. | Shore Lark | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 9 Mar) | 11 | 1 | 9 Mar | 9 Mar | ||||
| 88. | Sand Martin | 0 | 1 | 63 | 64 | 1 | 63 | 49 ( 4 Apr) | 44 | 4 | 21 Mar | 5 Apr | ||||
| 89. | Swallow | 0 | 0 | 26 | 26 | 0 | 26 | 20 ( 4 Apr) | 22 | 2 | 4 Apr | 5 Apr | ||||
| 90. | Chiffchaff | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 4 Apr) | 11 | 1 | 4 Apr | 4 Apr | ||||
| Species | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 91. | Starling | 4 | 1792 | 25 | 1821 | 21 | 1800 | 1245 (21 Mar) | 100 | 9 | 21 Feb | 5 Apr | ||||
| 92. | Song Thrush | 0 | 8 | 4 | 12 | 0 | 12 | 7 (21 Mar) | 33 | 3 | 9 Mar | 5 Apr | ||||
| 93. | Mistle Thrush | 0 | 1 | 1 | 2 | 0 | 2 | 1 ( 7 Mar) | 22 | 2 | 7 Mar | 5 Apr | ||||
| 94. | Redwing | 0 | 57 | 5 | 62 | 0 | 62 | 53 (21 Mar) | 44 | 4 | 9 Mar | 4 Apr | ||||
| 95. | Fieldfare | 0 | 3 | 0 | 3 | 0 | 3 | 3 (21 Mar) | 11 | 1 | 21 Mar | 21 Mar | ||||
| 96. | Ring Ouzel | 0 | 0 | 8 | 8 | 0 | 8 | 7 ( 5 Apr) | 22 | 2 | 4 Apr | 5 Apr | ||||
| 97. | Dunnock | 0 | 4 | 0 | 4 | 0 | 4 | 4 ( 7 Mar) | 11 | 1 | 7 Mar | 7 Mar | ||||
| 98. | Blue-headed Wagtail | 0 | 0 | 3 | 3 | 0 | 3 | 2 ( 4 Apr) | 22 | 2 | 4 Apr | 5 Apr | ||||
| 99. | Yellow wagtail sp. | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 4 Apr) | 11 | 1 | 4 Apr | 4 Apr | ||||
| 100. | Grey Wagtail | 0 | 2 | 1 | 3 | 0 | 3 | 2 (18 Mar) | 22 | 2 | 18 Mar | 5 Apr | ||||
| 101. | White Wagtail | 0 | 34 | 9 | 43 | 0 | 43 | 18 (21 Mar) | 56 | 5 | 9 Mar | 4 Apr | ||||
| 102. | alba wagtail sp. | 1 | 165 | 26 | 192 | 2 | 190 | 70 ( 9 Mar) | 100 | 9 | 21 Feb | 5 Apr | ||||
| 103. | Meadow Pipit | 13 | 125 | 74 | 212 | 0 | 212 | 45 ( 4 Apr) | 100 | 9 | 21 Feb | 5 Apr | ||||
| 104. | Rock Pipit | 0 | 1 | 0 | 1 | 0 | 1 | 1 (21 Mar) | 11 | 1 | 21 Mar | 21 Mar | ||||
| 105. | Rock Pipit/Water Pipit | 0 | 4 | 1 | 5 | 0 | 5 | 2 (18 Mar) | 44 | 4 | 9 Mar | 4 Apr | ||||
| 106. | Chaffinch | 8 | 13 | 0 | 21 | 0 | 21 | 8 (21 Feb) | 44 | 4 | 21 Feb | 21 Mar | ||||
| 107. | Greenfinch | 0 | 6 | 1 | 7 | 0 | 7 | 4 (21 Mar) | 33 | 3 | 9 Mar | 2 Apr | ||||
| 108. | Linnet | 0 | 84 | 72 | 156 | 1 | 155 | 56 (21 Mar) | 89 | 8 | 7 Mar | 5 Apr | ||||
| 109. | Goldfinch | 0 | 13 | 8 | 21 | 0 | 21 | 10 ( 9 Mar) | 44 | 4 | 9 Mar | 5 Apr | ||||
| 110. | Serin | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 4 Apr) | 11 | 1 | 4 Apr | 4 Apr | ||||
| 111. | Siskin | 0 | 3 | 1 | 4 | 0 | 4 | 1 ( 9 Mar) | 44 | 4 | 9 Mar | 4 Apr | ||||
| 112. | Snow Bunting | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 9 Mar) | 11 | 1 | 9 Mar | 9 Mar | ||||
| 113. | Reed Bunting | 2 | 11 | 2 | 15 | 0 | 15 | 5 ( 9 Mar) | 56 | 5 | 21 Feb | 4 Apr | ||||
| Other species | ||||||||||||||||
| Species | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Harbour Porpoise | 0 | 1 | 0 | 1 | 0 | 1 | 1 (18 Mar) | 11 | 1 | 18 Mar | 18 Mar | ||||
| Species | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 233 | 16520 | 12040 | 28793 | 1330 | 27463 | 100 | 9 | ||||||||
| Observation hours | 2:30 | 16:00 | 10:00 | 28:30 | ||||||||||||
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