Totals Geestmerambacht (Alkmaar) 2019
| Year | |
| Period | |
| count-field | |
| Also present | |
| Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Canada Goose | 7 | 0 | 0 | 7 | 0 | 7 | 7 (2 Mar) | 8 | 1 | 2 Mar | 2 Mar | ||||
| 2. | Barnacle Goose | 410 | 103 | 4 | 517 | 88 | 429 | 257 (2 Mar) | 62 | 8 | 2 Mar | 17 May | ||||
| 3. | Lesser Canada Goose | 7 | 0 | 0 | 7 | 0 | 7 | 7 (2 Mar) | 8 | 1 | 2 Mar | 2 Mar | ||||
| 4. | Greylag Goose | 17 | 3 | 9 | 29 | 6 | 23 | 9 (17 May) | 54 | 7 | 2 Mar | 17 May | ||||
| 5. | goose sp. | 6 | 0 | 0 | 6 | 0 | 6 | 6 (31 Mar) | 8 | 1 | 31 Mar | 31 Mar | ||||
| 6. | Eurasian White-fronted Goose | 315 | 0 | 0 | 315 | 0 | 315 | 312 (22 Mar) | 15 | 2 | 22 Mar | 24 Mar | ||||
| 7. | Mute Swan | 22 | 0 | 0 | 22 | 3 | 19 | 10 (29 Mar) | 23 | 3 | 10 Mar | 30 Mar | ||||
| 8. | Egyptian Goose | 22 | 13 | 3 | 38 | 10 | 28 | 11 (30 Mar) | 54 | 7 | 2 Mar | 17 May | ||||
| 9. | Shelduck | 14 | 15 | 5 | 34 | 0 | 34 | 8 (2 Mar) | 46 | 6 | 2 Mar | 17 May | ||||
| 10. | Shoveler | 79 | 32 | 2 | 113 | 0 | 113 | 74 (31 Mar) | 46 | 6 | 24 Mar | 17 May | ||||
| 11. | Gadwall | 21 | 3 | 4 | 28 | 1 | 27 | 10 (30 Mar) | 54 | 7 | 2 Mar | 17 May | ||||
| 12. | Wigeon | 237 | 2 | 0 | 239 | 0 | 239 | 175 (24 Mar) | 38 | 5 | 2 Mar | 12 Apr | ||||
| 13. | Mallard | 16 | 2 | 0 | 18 | 0 | 18 | 6 (31 Mar) | 38 | 5 | 2 Mar | 5 Apr | ||||
| 14. | Teal | 0 | 9 | 0 | 9 | 0 | 9 | 7 (5 Apr) | 15 | 2 | 5 Apr | 12 Apr | ||||
| 15. | duck sp. | 5 | 0 | 0 | 5 | 0 | 5 | 5 (10 Mar) | 8 | 1 | 10 Mar | 10 Mar | ||||
| 16. | Pochard | 6 | 0 | 1 | 7 | 0 | 7 | 5 (2 Mar) | 23 | 3 | 2 Mar | 17 May | ||||
| 17. | Tufted Duck | 1 | 0 | 2 | 3 | 0 | 3 | 2 (17 May) | 15 | 2 | 31 Mar | 17 May | ||||
| 18. | Swift | 0 | 0 | 273 | 273 | 0 | 273 | 273 (17 May) | 8 | 1 | 17 May | 17 May | ||||
| 19. | Stock Dove | 6 | 6 | 2 | 14 | 1 | 13 | 4 (31 Mar) | 54 | 7 | 2 Mar | 17 May | ||||
| 20. | Woodpigeon | 164 | 40 | 6 | 210 | 0 | 210 | 80 (30 Mar) | 92 | 12 | 2 Mar | 17 May | ||||
| 21. | Collared Dove | 0 | 3 | 3 | 6 | 0 | 6 | 3 (17 May) | 23 | 3 | 2 Apr | 17 May | ||||
| 22. | Great Crested Grebe | 0 | 0 | 1 | 1 | 0 | 1 | 1 (17 May) | 8 | 1 | 17 May | 17 May | ||||
| 23. | Oystercatcher | 4 | 11 | 2 | 17 | 0 | 17 | 5 (5 Apr) | 46 | 6 | 10 Mar | 17 May | ||||
| 24. | Avocet | 3 | 0 | 3 | 6 | 0 | 6 | 3 (30 Mar) | 15 | 2 | 30 Mar | 17 May | ||||
| 25. | Golden Plover | 62 | 128 | 0 | 190 | 0 | 190 | 110 (2 Apr) | 38 | 5 | 2 Mar | 12 Apr | ||||
| 26. | Ringed Plover | 1 | 0 | 49 | 50 | 0 | 50 | 49 (17 May) | 15 | 2 | 2 Mar | 17 May | ||||
| 27. | Lapwing | 25 | 1 | 3 | 29 | 0 | 29 | 15 (8 Mar) | 46 | 6 | 2 Mar | 17 May | ||||
| 28. | Whimbrel | 0 | 4 | 0 | 4 | 0 | 4 | 4 (5 Apr) | 8 | 1 | 5 Apr | 5 Apr | ||||
| 29. | Curlew | 3 | 2 | 0 | 5 | 0 | 5 | 2 (22 Mar) | 31 | 4 | 2 Mar | 12 Apr | ||||
| 30. | Black-tailed Godwit | 414 | 91 | 5 | 510 | 0 | 510 | 162 (10 Mar) | 92 | 12 | 2 Mar | 17 May | ||||
| Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Snipe | 5 | 50 | 0 | 55 | 5 | 50 | 44 (12 Apr) | 38 | 5 | 30 Mar | 12 Apr | ||||
| 32. | Common Sandpiper | 0 | 0 | 3 | 3 | 0 | 3 | 3 (17 May) | 8 | 1 | 17 May | 17 May | ||||
| 33. | Green Sandpiper | 5 | 6 | 0 | 11 | 0 | 11 | 4 (31 Mar) | 31 | 4 | 30 Mar | 12 Apr | ||||
| 34. | Wood Sandpiper | 0 | 0 | 2 | 2 | 0 | 2 | 2 (17 May) | 8 | 1 | 17 May | 17 May | ||||
| 35. | Redshank | 16 | 4 | 58 | 78 | 0 | 78 | 58 (17 May) | 77 | 10 | 2 Mar | 17 May | ||||
| 36. | Spotted Redshank | 0 | 1 | 1 | 2 | 0 | 2 | 1 (5 Apr) | 15 | 2 | 5 Apr | 17 May | ||||
| 37. | Greenshank | 0 | 0 | 1 | 1 | 0 | 1 | 1 (17 May) | 8 | 1 | 17 May | 17 May | ||||
| 38. | Ruff | 0 | 4 | 0 | 4 | 0 | 4 | 4 (8 Apr) | 8 | 1 | 8 Apr | 8 Apr | ||||
| 39. | wader sp. | 3 | 3 | 25 | 31 | 0 | 31 | 25 (17 May) | 23 | 3 | 31 Mar | 17 May | ||||
| 40. | Dunlin | 16 | 0 | 0 | 16 | 0 | 16 | 11 (30 Mar) | 31 | 4 | 2 Mar | 31 Mar | ||||
| 41. | Common Tern | 0 | 1 | 8 | 9 | 0 | 9 | 8 (17 May) | 15 | 2 | 12 Apr | 17 May | ||||
| 42. | Black-headed Gull | 1751 | 1058 | 191 | 3000 | 12 | 2988 | 551 (5 Apr) | 100 | 13 | 2 Mar | 17 May | ||||
| 43. | Mediterranean Gull | 3 | 0 | 0 | 3 | 0 | 3 | 3 (31 Mar) | 8 | 1 | 31 Mar | 31 Mar | ||||
| 44. | Common Gull | 289 | 288 | 50 | 627 | 0 | 627 | 186 (12 Apr) | 100 | 13 | 2 Mar | 17 May | ||||
| 45. | Caspian Gull | 1 | 0 | 1 | 2 | 0 | 2 | 1 (8 Mar) | 15 | 2 | 8 Mar | 17 May | ||||
| 46. | Herring Gull | 0 | 5 | 0 | 5 | 2 | 3 | 5 (2 Apr) | 8 | 1 | 2 Apr | 2 Apr | ||||
| 47. | Great Black-backed Gull | 2 | 1 | 0 | 3 | 1 | 2 | 1 (2 Mar) | 23 | 3 | 2 Mar | 12 Apr | ||||
| 48. | Lesser Black-backed Gull | 305 | 196 | 271 | 772 | 6 | 766 | 271 (17 May) | 100 | 13 | 2 Mar | 17 May | ||||
| 49. | White Stork | 1 | 0 | 0 | 1 | 0 | 1 | 1 (31 Mar) | 8 | 1 | 31 Mar | 31 Mar | ||||
| 50. | Cormorant | 264 | 141 | 7 | 412 | 24 | 388 | 121 (2 Mar) | 100 | 13 | 2 Mar | 17 May | ||||
| 51. | Spoonbill | 21 | 9 | 0 | 30 | 1 | 29 | 16 (30 Mar) | 46 | 6 | 8 Mar | 12 Apr | ||||
| 52. | Little Egret | 0 | 0 | 1 | 1 | 0 | 1 | 1 (17 May) | 8 | 1 | 17 May | 17 May | ||||
| 53. | Great White Egret | 6 | 14 | 1 | 21 | 7 | 14 | 6 (5 Apr) | 54 | 7 | 24 Mar | 17 May | ||||
| 54. | Grey Heron | 9 | 4 | 0 | 13 | 0 | 13 | 4 (30 Mar) | 38 | 5 | 2 Mar | 12 Apr | ||||
| 55. | Sparrowhawk | 8 | 1 | 2 | 11 | 0 | 11 | 3 (24 Mar) | 54 | 7 | 22 Mar | 17 May | ||||
| 56. | Goshawk | 1 | 0 | 0 | 1 | 0 | 1 | 1 (22 Mar) | 8 | 1 | 22 Mar | 22 Mar | ||||
| 57. | Marsh Harrier | 2 | 6 | 1 | 9 | 0 | 9 | 2 (5 Apr) | 46 | 6 | 30 Mar | 17 May | ||||
| 58. | Hen Harrier | 1 | 0 | 0 | 1 | 0 | 1 | 1 (30 Mar) | 8 | 1 | 30 Mar | 30 Mar | ||||
| 59. | Common Buzzard | 15 | 3 | 2 | 20 | 0 | 20 | 4 (29 Mar) | 69 | 9 | 2 Mar | 17 May | ||||
| 60. | Great Spotted Woodpecker | 6 | 1 | 0 | 7 | 0 | 7 | 3 (22 Mar) | 31 | 4 | 2 Mar | 12 Apr | ||||
| Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Kestrel | 1 | 0 | 0 | 1 | 0 | 1 | 1 (31 Mar) | 8 | 1 | 31 Mar | 31 Mar | ||||
| 62. | Hobby | 0 | 0 | 1 | 1 | 0 | 1 | 1 (17 May) | 8 | 1 | 17 May | 17 May | ||||
| 63. | Peregrine | 0 | 3 | 0 | 3 | 0 | 3 | 2 (5 Apr) | 15 | 2 | 5 Apr | 8 Apr | ||||
| 64. | Magpie | 2 | 5 | 0 | 7 | 0 | 7 | 4 (5 Apr) | 31 | 4 | 2 Mar | 12 Apr | ||||
| 65. | Jackdaw | 118 | 63 | 4 | 185 | 0 | 185 | 54 (30 Mar) | 77 | 10 | 2 Mar | 17 May | ||||
| 66. | Carrion Crow | 13 | 12 | 1 | 26 | 0 | 26 | 11 (12 Apr) | 69 | 9 | 2 Mar | 17 May | ||||
| 67. | Blue Tit | 4 | 0 | 0 | 4 | 0 | 4 | 2 (30 Mar) | 23 | 3 | 2 Mar | 30 Mar | ||||
| 68. | Great Tit | 10 | 2 | 0 | 12 | 0 | 12 | 7 (2 Mar) | 31 | 4 | 2 Mar | 5 Apr | ||||
| 69. | Wood Lark | 1 | 0 | 0 | 1 | 0 | 1 | 1 (2 Mar) | 8 | 1 | 2 Mar | 2 Mar | ||||
| 70. | Sand Martin | 1 | 1 | 2 | 4 | 0 | 4 | 2 (17 May) | 23 | 3 | 31 Mar | 17 May | ||||
| 71. | Swallow | 11 | 53 | 80 | 144 | 5 | 139 | 80 (17 May) | 62 | 8 | 29 Mar | 17 May | ||||
| 72. | House Martin | 0 | 0 | 66 | 66 | 0 | 66 | 66 (17 May) | 8 | 1 | 17 May | 17 May | ||||
| 73. | Chiffchaff | 1 | 0 | 0 | 1 | 0 | 1 | 1 (10 Mar) | 8 | 1 | 10 Mar | 10 Mar | ||||
| 74. | Chiffchaff/Willow Warbler | 0 | 1 | 0 | 1 | 0 | 1 | 1 (5 Apr) | 8 | 1 | 5 Apr | 5 Apr | ||||
| 75. | Goldcrest | 1 | 0 | 0 | 1 | 0 | 1 | 1 (31 Mar) | 8 | 1 | 31 Mar | 31 Mar | ||||
| 76. | Starling | 586 | 72 | 4 | 662 | 24 | 638 | 230 (29 Mar) | 92 | 12 | 2 Mar | 17 May | ||||
| 77. | Song Thrush | 17 | 51 | 0 | 68 | 0 | 68 | 47 (5 Apr) | 69 | 9 | 2 Mar | 12 Apr | ||||
| 78. | Redwing | 2 | 28 | 0 | 30 | 0 | 30 | 12 (5 Apr) | 38 | 5 | 8 Mar | 12 Apr | ||||
| 79. | Blackbird | 6 | 2 | 0 | 8 | 0 | 8 | 3 (30 Mar) | 38 | 5 | 2 Mar | 12 Apr | ||||
| 80. | Fieldfare | 5 | 12 | 0 | 17 | 0 | 17 | 8 (12 Apr) | 38 | 5 | 2 Mar | 12 Apr | ||||
| 81. | Yellow wagtail sp. | 0 | 1 | 1 | 2 | 0 | 2 | 1 (5 Apr) | 15 | 2 | 5 Apr | 17 May | ||||
| 82. | White Wagtail | 3 | 0 | 0 | 3 | 0 | 3 | 2 (8 Mar) | 15 | 2 | 8 Mar | 29 Mar | ||||
| 83. | alba wagtail sp. | 15 | 3 | 0 | 18 | 0 | 18 | 5 (24 Mar) | 77 | 10 | 2 Mar | 12 Apr | ||||
| 84. | Meadow Pipit | 147 | 134 | 0 | 281 | 0 | 281 | 66 (12 Apr) | 92 | 12 | 2 Mar | 12 Apr | ||||
| 85. | Water Pipit | 3 | 0 | 0 | 3 | 0 | 3 | 2 (30 Mar) | 15 | 2 | 8 Mar | 30 Mar | ||||
| 86. | Chaffinch | 21 | 0 | 1 | 22 | 0 | 22 | 6 (2 Mar) | 54 | 7 | 2 Mar | 17 May | ||||
| 87. | Brambling | 0 | 11 | 0 | 11 | 0 | 11 | 11 (12 Apr) | 8 | 1 | 12 Apr | 12 Apr | ||||
| 88. | Greenfinch | 11 | 2 | 0 | 13 | 0 | 13 | 5 (2 Mar) | 46 | 6 | 2 Mar | 12 Apr | ||||
| 89. | Linnet | 6 | 0 | 3 | 9 | 0 | 9 | 4 (31 Mar) | 31 | 4 | 8 Mar | 17 May | ||||
| 90. | Goldfinch | 28 | 8 | 0 | 36 | 0 | 36 | 11 (8 Mar) | 69 | 9 | 2 Mar | 12 Apr | ||||
| Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 91. | Reed Bunting | 23 | 1 | 0 | 24 | 0 | 24 | 5 (22 Mar) | 62 | 8 | 2 Mar | 5 Apr | ||||
| Other species | ||||||||||||||||
| Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Bumblebee sp. | 7 | 0 | 9 | 16 | 0 | 16 | 9 (17 May) | 23 | 3 | 29 Mar | 17 May | ||||
| Species | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 5640 | 2729 | 1174 | 9543 | 196 | 9347 | 100 | 13 | ||||||||
| Observation hours | 22:05 | 9:40 | 5:00 | 36:45 | ||||||||||||
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