Totals Castricum aan Zee (zeetrek) 2026
| Year | |
| Period | |
| count-field | |
| Also present | |
| Species | Jan | Feb | Mar | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 5 | 119 | 97 | 221 | 4 | 217 | 97 (15 Mar) | 42 | 5 | 4 Jan | 15 Mar | ||||
| 2. | Canada Goose | 1 | 0 | 0 | 1 | 0 | 1 | 1 (25 Jan) | 8 | 1 | 25 Jan | 25 Jan | ||||
| 3. | Canada X Greylag Goose | 0 | 1 | 0 | 1 | 0 | 1 | 1 (28 Feb) | 8 | 1 | 28 Feb | 28 Feb | ||||
| 4. | Barnacle Goose | 269 | 1186 | 281 | 1736 | 167 | 1569 | 1020 (8 Feb) | 75 | 9 | 24 Jan | 6 Mar | ||||
| 5. | Greylag Goose | 2 | 63 | 70 | 135 | 69 | 66 | 61 (4 Mar) | 58 | 7 | 24 Jan | 15 Mar | ||||
| 6. | goose sp. | 0 | 30 | 0 | 30 | 30 | 0 | 30 (8 Feb) | 8 | 1 | 8 Feb | 8 Feb | ||||
| 7. | Domestic Goose | 0 | 1 | 0 | 1 | 0 | 1 | 1 (8 Feb) | 8 | 1 | 8 Feb | 8 Feb | ||||
| 8. | Pink-footed Goose | 0 | 22 | 0 | 22 | 0 | 22 | 22 (8 Feb) | 8 | 1 | 8 Feb | 8 Feb | ||||
| 9. | Tundra Bean Goose | 0 | 4 | 0 | 4 | 4 | 0 | 4 (8 Feb) | 8 | 1 | 8 Feb | 8 Feb | ||||
| 10. | Eurasian White-fronted Goose | 18 | 119 | 0 | 137 | 130 | 7 | 115 (8 Feb) | 25 | 3 | 25 Jan | 14 Feb | ||||
| 11. | Egyptian Goose | 8 | 3 | 3 | 14 | 1 | 13 | 8 (24 Jan) | 33 | 4 | 24 Jan | 4 Mar | ||||
| 12. | Shelduck | 10 | 12 | 8 | 30 | 19 | 11 | 10 (24 Jan) | 50 | 6 | 24 Jan | 15 Mar | ||||
| 13. | Shoveler | 0 | 2 | 22 | 24 | 0 | 24 | 22 (4 Mar) | 17 | 2 | 8 Feb | 4 Mar | ||||
| 14. | Gadwall | 4 | 2 | 7 | 13 | 4 | 9 | 4 (24 Jan) | 33 | 4 | 24 Jan | 15 Mar | ||||
| 15. | Wigeon | 23 | 87 | 57 | 167 | 36 | 131 | 80 (14 Feb) | 58 | 7 | 24 Jan | 15 Mar | ||||
| 16. | Pintail | 0 | 3 | 213 | 216 | 0 | 216 | 178 (4 Mar) | 25 | 3 | 21 Feb | 15 Mar | ||||
| 17. | Teal | 23 | 125 | 162 | 310 | 77 | 233 | 139 (4 Mar) | 75 | 9 | 4 Jan | 15 Mar | ||||
| 18. | duck sp. | 0 | 4 | 15 | 19 | 0 | 19 | 15 (4 Mar) | 17 | 2 | 28 Feb | 4 Mar | ||||
| 19. | Pochard | 16 | 0 | 0 | 16 | 13 | 3 | 16 (24 Jan) | 8 | 1 | 24 Jan | 24 Jan | ||||
| 20. | Tufted Duck | 0 | 0 | 4 | 4 | 0 | 4 | 4 (15 Mar) | 8 | 1 | 15 Mar | 15 Mar | ||||
| 21. | Eider | 7 | 34 | 113 | 154 | 112 | 42 | 87 (4 Mar) | 92 | 11 | 4 Jan | 15 Mar | ||||
| 22. | Velvet Scoter | 1 | 0 | 0 | 1 | 1 | 0 | 1 (4 Jan) | 8 | 1 | 4 Jan | 4 Jan | ||||
| 23. | Common Scoter | 312 | 435 | 657 | 1404 | 700 | 704 | 269 (15 Mar) | 100 | 12 | 4 Jan | 15 Mar | ||||
| 24. | Long-tailed Duck | 0 | 1 | 0 | 1 | 1 | 0 | 1 (8 Feb) | 8 | 1 | 8 Feb | 8 Feb | ||||
| 25. | Goldeneye | 4 | 0 | 0 | 4 | 4 | 0 | 4 (24 Jan) | 8 | 1 | 24 Jan | 24 Jan | ||||
| 26. | Smew | 1 | 0 | 0 | 1 | 1 | 0 | 1 (25 Jan) | 8 | 1 | 25 Jan | 25 Jan | ||||
| 27. | Goosander | 2 | 0 | 0 | 2 | 0 | 2 | 2 (24 Jan) | 8 | 1 | 24 Jan | 24 Jan | ||||
| 28. | Red-breasted Merganser | 11 | 3 | 62 | 76 | 9 | 67 | 55 (4 Mar) | 58 | 7 | 4 Jan | 15 Mar | ||||
| 29. | Red-necked Grebe | 1 | 1 | 0 | 2 | 1 | 1 | 1 (24 Jan) | 17 | 2 | 24 Jan | 18 Feb | ||||
| 30. | Great Crested Grebe | 89 | 71 | 12 | 172 | 113 | 59 | 55 (24 Jan) | 75 | 9 | 24 Jan | 15 Mar | ||||
| Species | Jan | Feb | Mar | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Oystercatcher | 0 | 5 | 17 | 22 | 10 | 12 | 12 (4 Mar) | 58 | 7 | 8 Feb | 15 Mar | ||||
| 32. | Ringed Plover | 0 | 0 | 1 | 1 | 0 | 1 | 1 (6 Mar) | 8 | 1 | 6 Mar | 6 Mar | ||||
| 33. | Lapwing | 6 | 0 | 0 | 6 | 6 | 0 | 6 (25 Jan) | 8 | 1 | 25 Jan | 25 Jan | ||||
| 34. | Curlew | 0 | 2 | 2 | 4 | 1 | 3 | 2 (8 Feb) | 25 | 3 | 8 Feb | 15 Mar | ||||
| 35. | Ruff | 1 | 0 | 0 | 1 | 0 | 1 | 1 (25 Jan) | 8 | 1 | 25 Jan | 25 Jan | ||||
| 36. | Sanderling | 0 | 340 | 228 | 568 | 150 | 418 | 223 (6 Mar) | 33 | 4 | 14 Feb | 6 Mar | ||||
| 37. | Dunlin | 4 | 41 | 585 | 630 | 1 | 629 | 482 (4 Mar) | 42 | 5 | 24 Jan | 15 Mar | ||||
| 38. | Little Gull | 2 | 0 | 0 | 2 | 2 | 0 | 2 (4 Jan) | 8 | 1 | 4 Jan | 4 Jan | ||||
| 39. | Kittiwake | 133 | 2 | 0 | 135 | 13 | 122 | 130 (4 Jan) | 33 | 4 | 4 Jan | 18 Feb | ||||
| 40. | Black-headed Gull | 191 | 625 | 278 | 1094 | 911 | 183 | 507 (8 Feb) | 92 | 11 | 4 Jan | 15 Mar | ||||
| 41. | Common Gull | 352 | 539 | 650 | 1541 | 251 | 1290 | 391 (21 Feb) | 100 | 12 | 4 Jan | 15 Mar | ||||
| 42. | Herring Gull | 0 | 0 | 300 | 300 | 0 | 300 | 300 (12 Mar) | 8 | 1 | 12 Mar | 12 Mar | ||||
| 43. | Lesser Black-backed Gull | 0 | 1 | 1 | 2 | 2 | 0 | 1 (8 Feb) | 17 | 2 | 8 Feb | 6 Mar | ||||
| 44. | Puffin | 1 | 0 | 0 | 1 | 1 | 0 | 1 (25 Jan) | 8 | 1 | 25 Jan | 25 Jan | ||||
| 45. | Razorbill | 35 | 1 | 0 | 36 | 32 | 4 | 27 (25 Jan) | 25 | 3 | 24 Jan | 21 Feb | ||||
| 46. | Razorbill/Guillemot | 756 | 67 | 0 | 823 | 634 | 189 | 563 (24 Jan) | 50 | 6 | 24 Jan | 21 Feb | ||||
| 47. | Guillemot | 4 | 1 | 0 | 5 | 2 | 3 | 3 (25 Jan) | 25 | 3 | 24 Jan | 21 Feb | ||||
| 48. | Red-throated Diver | 0 | 5 | 23 | 28 | 5 | 23 | 18 (15 Mar) | 42 | 5 | 8 Feb | 15 Mar | ||||
| 49. | Black-throated Diver | 2 | 0 | 0 | 2 | 2 | 0 | 1 (24 Jan) | 17 | 2 | 24 Jan | 25 Jan | ||||
| 50. | Great Northern Diver | 1 | 0 | 0 | 1 | 1 | 0 | 1 (25 Jan) | 8 | 1 | 25 Jan | 25 Jan | ||||
| 51. | diver sp. | 1294 | 630 | 160 | 2084 | 1471 | 613 | 727 (24 Jan) | 92 | 11 | 4 Jan | 15 Mar | ||||
| 52. | Fulmar | 11 | 0 | 0 | 11 | 1 | 10 | 11 (4 Jan) | 8 | 1 | 4 Jan | 4 Jan | ||||
| 53. | Gannet | 434 | 44 | 4 | 482 | 264 | 218 | 182 (4 Jan) | 75 | 9 | 4 Jan | 15 Mar | ||||
| 54. | Cormorant | 0 | 35 | 0 | 35 | 21 | 14 | 35 (28 Feb) | 8 | 1 | 28 Feb | 28 Feb | ||||
| 55. | Marsh Harrier | 1 | 0 | 0 | 1 | 1 | 0 | 1 (25 Jan) | 8 | 1 | 25 Jan | 25 Jan | ||||
| 56. | Kestrel | 0 | 0 | 1 | 1 | 0 | 1 | 1 (4 Mar) | 8 | 1 | 4 Mar | 4 Mar | ||||
| 57. | Carrion Crow | 0 | 0 | 5 | 5 | 0 | 5 | 5 (6 Mar) | 8 | 1 | 6 Mar | 6 Mar | ||||
| 58. | Skylark | 0 | 1 | 0 | 1 | 1 | 0 | 1 (18 Feb) | 8 | 1 | 18 Feb | 18 Feb | ||||
| 59. | Starling | 0 | 1 | 4 | 5 | 0 | 5 | 4 (4 Mar) | 17 | 2 | 18 Feb | 4 Mar | ||||
| 60. | Snow Bunting | 0 | 0 | 1 | 1 | 0 | 1 | 1 (4 Mar) | 8 | 1 | 4 Mar | 4 Mar | ||||
| Other species | ||||||||||||||||
| Species | Jan | Feb | Mar | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Harbour Porpoise | 1 | 15 | 1 | 17 | 12 | 5 | 7 (14 Feb) | 50 | 6 | 25 Jan | 4 Mar | ||||
| Species | Jan | Feb | Mar | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 4036 | 4683 | 4044 | 12763 | 5291 | 7472 | 100 | 12 | ||||||||
| Observation hours | 7:30 | 10:00 | 7:00 | 24:30 | ||||||||||||
This page is created on 2026/03/17 09:20:42 and will be cached for 2 minutes.
