Totals Geestmerambacht (Alkmaar) 2021
| Year | |
| Period | |
| count-field | |
| Also present | |
| Species | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Barnacle Goose | 181 | 427 | 123 | 731 | 4 | 727 | 365 (5 Mar) | 100 | 7 | 19 Feb | 18 Apr | ||||
| 2. | Greylag Goose | 4 | 16 | 0 | 20 | 0 | 20 | 15 (5 Mar) | 43 | 3 | 19 Feb | 19 Mar | ||||
| 3. | goose sp. | 7 | 0 | 0 | 7 | 0 | 7 | 7 (19 Feb) | 14 | 1 | 19 Feb | 19 Feb | ||||
| 4. | Eurasian White-fronted Goose | 53 | 47 | 0 | 100 | 25 | 75 | 53 (19 Feb) | 43 | 3 | 19 Feb | 19 Mar | ||||
| 5. | Egyptian Goose | 0 | 1 | 22 | 23 | 0 | 23 | 12 (16 Apr) | 43 | 3 | 5 Mar | 18 Apr | ||||
| 6. | Shelduck | 2 | 6 | 4 | 12 | 2 | 10 | 4 (5 Mar) | 71 | 5 | 19 Feb | 18 Apr | ||||
| 7. | Shoveler | 1 | 1 | 5 | 7 | 0 | 7 | 3 (2 Apr) | 57 | 4 | 19 Feb | 16 Apr | ||||
| 8. | Gadwall | 23 | 15 | 12 | 50 | 1 | 49 | 23 (19 Feb) | 71 | 5 | 19 Feb | 18 Apr | ||||
| 9. | Wigeon | 174 | 55 | 4 | 233 | 0 | 233 | 174 (19 Feb) | 43 | 3 | 19 Feb | 2 Apr | ||||
| 10. | Mallard | 1 | 7 | 5 | 13 | 0 | 13 | 4 (19 Mar) | 71 | 5 | 19 Feb | 16 Apr | ||||
| 11. | Pochard | 1 | 1 | 2 | 4 | 0 | 4 | 1 (19 Feb) | 57 | 4 | 19 Feb | 16 Apr | ||||
| 12. | Tufted Duck | 0 | 0 | 3 | 3 | 0 | 3 | 2 (16 Apr) | 29 | 2 | 16 Apr | 18 Apr | ||||
| 13. | Stock Dove | 3 | 5 | 10 | 18 | 0 | 18 | 6 (16 Apr) | 86 | 6 | 19 Feb | 18 Apr | ||||
| 14. | Woodpigeon | 12 | 81 | 29 | 122 | 3 | 119 | 41 (19 Mar) | 100 | 7 | 19 Feb | 18 Apr | ||||
| 15. | Collared Dove | 0 | 0 | 5 | 5 | 0 | 5 | 3 (10 Apr) | 29 | 2 | 10 Apr | 16 Apr | ||||
| 16. | Oystercatcher | 2 | 1 | 0 | 3 | 0 | 3 | 2 (19 Feb) | 29 | 2 | 19 Feb | 5 Mar | ||||
| 17. | Avocet | 0 | 0 | 2 | 2 | 0 | 2 | 2 (10 Apr) | 14 | 1 | 10 Apr | 10 Apr | ||||
| 18. | Lapwing | 287 | 24 | 6 | 317 | 0 | 317 | 287 (19 Feb) | 71 | 5 | 19 Feb | 18 Apr | ||||
| 19. | Curlew | 0 | 1 | 0 | 1 | 0 | 1 | 1 (19 Mar) | 14 | 1 | 19 Mar | 19 Mar | ||||
| 20. | Black-tailed Godwit | 0 | 462 | 10 | 472 | 0 | 472 | 428 (5 Mar) | 43 | 3 | 5 Mar | 2 Apr | ||||
| 21. | Snipe | 0 | 0 | 2 | 2 | 0 | 2 | 2 (18 Apr) | 14 | 1 | 18 Apr | 18 Apr | ||||
| 22. | Green Sandpiper | 0 | 0 | 5 | 5 | 0 | 5 | 4 (16 Apr) | 29 | 2 | 16 Apr | 18 Apr | ||||
| 23. | Redshank | 0 | 1 | 0 | 1 | 0 | 1 | 1 (19 Mar) | 14 | 1 | 19 Mar | 19 Mar | ||||
| 24. | Black-headed Gull | 38 | 715 | 196 | 949 | 0 | 949 | 624 (19 Mar) | 100 | 7 | 19 Feb | 18 Apr | ||||
| 25. | Common Gull | 11 | 44 | 160 | 215 | 0 | 215 | 91 (16 Apr) | 100 | 7 | 19 Feb | 18 Apr | ||||
| 26. | Caspian Gull | 0 | 0 | 1 | 1 | 0 | 1 | 1 (16 Apr) | 14 | 1 | 16 Apr | 16 Apr | ||||
| 27. | Herring Gull | 11 | 89 | 61 | 161 | 0 | 161 | 47 (19 Mar) | 86 | 6 | 19 Feb | 18 Apr | ||||
| 28. | Great Black-backed Gull | 0 | 0 | 1 | 1 | 0 | 1 | 1 (16 Apr) | 14 | 1 | 16 Apr | 16 Apr | ||||
| 29. | Lesser Black-backed Gull | 2 | 38 | 239 | 279 | 0 | 279 | 124 (16 Apr) | 100 | 7 | 19 Feb | 18 Apr | ||||
| 30. | Cormorant | 5 | 19 | 35 | 59 | 4 | 55 | 19 (16 Apr) | 86 | 6 | 19 Feb | 18 Apr | ||||
| Species | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Spoonbill | 0 | 10 | 5 | 15 | 0 | 15 | 8 (5 Mar) | 57 | 4 | 5 Mar | 10 Apr | ||||
| 32. | Grey Heron | 1 | 1 | 0 | 2 | 0 | 2 | 1 (19 Feb) | 29 | 2 | 19 Feb | 19 Mar | ||||
| 33. | Sparrowhawk | 0 | 0 | 1 | 1 | 0 | 1 | 1 (18 Apr) | 14 | 1 | 18 Apr | 18 Apr | ||||
| 34. | Marsh Harrier | 0 | 0 | 4 | 4 | 0 | 4 | 3 (10 Apr) | 29 | 2 | 10 Apr | 18 Apr | ||||
| 35. | Great Spotted Woodpecker | 0 | 0 | 1 | 1 | 0 | 1 | 1 (16 Apr) | 14 | 1 | 16 Apr | 16 Apr | ||||
| 36. | Kestrel | 0 | 1 | 0 | 1 | 0 | 1 | 1 (5 Mar) | 14 | 1 | 5 Mar | 5 Mar | ||||
| 37. | Peregrine | 1 | 0 | 0 | 1 | 0 | 1 | 1 (19 Feb) | 14 | 1 | 19 Feb | 19 Feb | ||||
| 38. | Magpie | 0 | 2 | 1 | 3 | 0 | 3 | 1 (5 Mar) | 43 | 3 | 5 Mar | 2 Apr | ||||
| 39. | Jackdaw | 1 | 40 | 88 | 129 | 0 | 129 | 44 (2 Apr) | 100 | 7 | 19 Feb | 18 Apr | ||||
| 40. | Carrion Crow | 1 | 3 | 2 | 6 | 0 | 6 | 3 (5 Mar) | 57 | 4 | 19 Feb | 16 Apr | ||||
| 41. | Blue Tit | 2 | 0 | 1 | 3 | 0 | 3 | 2 (19 Feb) | 29 | 2 | 19 Feb | 18 Apr | ||||
| 42. | Great Tit | 4 | 0 | 3 | 7 | 0 | 7 | 4 (19 Feb) | 43 | 3 | 19 Feb | 16 Apr | ||||
| 43. | Skylark | 4 | 0 | 0 | 4 | 0 | 4 | 4 (19 Feb) | 14 | 1 | 19 Feb | 19 Feb | ||||
| 44. | Sand Martin | 0 | 0 | 4 | 4 | 0 | 4 | 3 (10 Apr) | 29 | 2 | 10 Apr | 16 Apr | ||||
| 45. | Swallow | 0 | 0 | 26 | 26 | 0 | 26 | 15 (10 Apr) | 43 | 3 | 10 Apr | 18 Apr | ||||
| 46. | House Martin | 0 | 0 | 1 | 1 | 0 | 1 | 1 (10 Apr) | 14 | 1 | 10 Apr | 10 Apr | ||||
| 47. | Willow Warbler | 0 | 0 | 1 | 1 | 0 | 1 | 1 (16 Apr) | 14 | 1 | 16 Apr | 16 Apr | ||||
| 48. | Chiffchaff | 0 | 0 | 3 | 3 | 0 | 3 | 2 (2 Apr) | 29 | 2 | 2 Apr | 16 Apr | ||||
| 49. | Chiffchaff/Willow Warbler | 0 | 0 | 1 | 1 | 0 | 1 | 1 (10 Apr) | 14 | 1 | 10 Apr | 10 Apr | ||||
| 50. | Blackcap | 0 | 0 | 1 | 1 | 0 | 1 | 1 (16 Apr) | 14 | 1 | 16 Apr | 16 Apr | ||||
| 51. | Starling | 114 | 152 | 4 | 270 | 11 | 259 | 128 (19 Mar) | 71 | 5 | 19 Feb | 16 Apr | ||||
| 52. | Song Thrush | 0 | 3 | 7 | 10 | 1 | 9 | 2 (19 Mar) | 86 | 6 | 5 Mar | 18 Apr | ||||
| 53. | Redwing | 0 | 5 | 0 | 5 | 0 | 5 | 5 (19 Mar) | 14 | 1 | 19 Mar | 19 Mar | ||||
| 54. | Blackbird | 0 | 1 | 9 | 10 | 0 | 10 | 5 (18 Apr) | 43 | 3 | 19 Mar | 18 Apr | ||||
| 55. | Robin | 0 | 0 | 1 | 1 | 0 | 1 | 1 (16 Apr) | 14 | 1 | 16 Apr | 16 Apr | ||||
| 56. | Tree Sparrow | 1 | 1 | 0 | 2 | 0 | 2 | 1 (19 Feb) | 29 | 2 | 19 Feb | 19 Mar | ||||
| 57. | Dunnock | 0 | 1 | 0 | 1 | 0 | 1 | 1 (19 Mar) | 14 | 1 | 19 Mar | 19 Mar | ||||
| 58. | Yellow wagtail sp. | 0 | 0 | 8 | 8 | 0 | 8 | 4 (16 Apr) | 43 | 3 | 10 Apr | 18 Apr | ||||
| 59. | White Wagtail | 0 | 3 | 2 | 5 | 0 | 5 | 3 (19 Mar) | 29 | 2 | 19 Mar | 16 Apr | ||||
| 60. | alba wagtail sp. | 0 | 7 | 3 | 10 | 0 | 10 | 4 (5 Mar) | 57 | 4 | 5 Mar | 16 Apr | ||||
| Species | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Meadow Pipit | 15 | 29 | 75 | 119 | 0 | 119 | 44 (16 Apr) | 100 | 7 | 19 Feb | 18 Apr | ||||
| 62. | Water Pipit | 2 | 0 | 0 | 2 | 0 | 2 | 2 (19 Feb) | 14 | 1 | 19 Feb | 19 Feb | ||||
| 63. | Chaffinch | 14 | 22 | 4 | 40 | 0 | 40 | 16 (19 Mar) | 57 | 4 | 19 Feb | 2 Apr | ||||
| 64. | Greenfinch | 5 | 17 | 22 | 44 | 0 | 44 | 10 (16 Apr) | 100 | 7 | 19 Feb | 18 Apr | ||||
| 65. | Linnet | 0 | 0 | 15 | 15 | 0 | 15 | 8 (2 Apr) | 43 | 3 | 2 Apr | 16 Apr | ||||
| 66. | Goldfinch | 1 | 18 | 17 | 36 | 0 | 36 | 11 (19 Mar) | 100 | 7 | 19 Feb | 18 Apr | ||||
| 67. | Siskin | 0 | 1 | 0 | 1 | 0 | 1 | 1 (5 Mar) | 14 | 1 | 5 Mar | 5 Mar | ||||
| 68. | Reed Bunting | 5 | 19 | 5 | 29 | 0 | 29 | 12 (5 Mar) | 86 | 6 | 19 Feb | 16 Apr | ||||
| Other species | ||||||||||||||||
| Species | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Bumblebee sp. | 0 | 0 | 1 | 1 | 0 | 1 | 1 (16 Apr) | 14 | 1 | 16 Apr | 16 Apr | ||||
| Species | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 989 | 2392 | 1258 | 4639 | 51 | 4588 | 100 | 7 | ||||||||
| Observation hours | 2:45 | 5:40 | 8:45 | 17:10 | ||||||||||||
This page is created on 2026/01/12 13:50:22 and will be cached for 2 minutes.
