Also present
Totals Castricum aan Zee (zeetrek) 2025
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 17 | 130 | 1156 | 462 | 1765 | 5 | 1760 | 411 ( 4 Apr) | 58 | 19 | 2 Jan | 6 Apr | ||||
| 2. | Pale-bellied Brent Goose | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 5 Apr) | 3 | 1 | 5 Apr | 5 Apr | ||||
| 3. | Canada Goose | 0 | 2 | 19 | 5 | 26 | 10 | 16 | 8 ( 9 Mar) | 21 | 7 | 26 Feb | 5 Apr | ||||
| 4. | Barnacle Goose | 187 | 103 | 3491 | 980 | 4761 | 562 | 4199 | 1475 ( 8 Mar) | 42 | 14 | 22 Jan | 5 Apr | ||||
| 5. | Greylag Goose | 3 | 57 | 254 | 129 | 443 | 161 | 282 | 91 ( 9 Mar) | 73 | 24 | 22 Jan | 6 Apr | ||||
| 6. | Pink-footed Goose | 134 | 263 | 0 | 0 | 397 | 36 | 361 | 263 (26 Feb) | 9 | 3 | 22 Jan | 26 Feb | ||||
| 7. | Eurasian White-fronted Goose | 5 | 46 | 0 | 0 | 51 | 1 | 50 | 46 (26 Feb) | 9 | 3 | 22 Jan | 26 Feb | ||||
| 8. | Egyptian Goose | 2 | 14 | 70 | 44 | 130 | 24 | 106 | 28 (21 Mar) | 48 | 16 | 22 Jan | 6 Apr | ||||
| 9. | Shelduck | 7 | 10 | 129 | 44 | 190 | 17 | 173 | 59 (19 Mar) | 64 | 21 | 2 Jan | 6 Apr | ||||
| 10. | Garganey | 0 | 0 | 13 | 4 | 17 | 2 | 15 | 8 (21 Mar) | 12 | 4 | 21 Mar | 6 Apr | ||||
| 11. | Shoveler | 0 | 2 | 724 | 864 | 1590 | 91 | 1499 | 357 ( 4 Apr) | 48 | 16 | 18 Feb | 6 Apr | ||||
| 12. | Gadwall | 0 | 14 | 28 | 20 | 62 | 15 | 47 | 16 ( 6 Apr) | 36 | 12 | 15 Feb | 6 Apr | ||||
| 13. | Wigeon | 355 | 386 | 1591 | 14 | 2346 | 385 | 1961 | 913 (29 Mar) | 85 | 28 | 2 Jan | 5 Apr | ||||
| 14. | Mallard | 0 | 0 | 3 | 1 | 4 | 0 | 4 | 2 (20 Mar) | 9 | 3 | 8 Mar | 4 Apr | ||||
| 15. | Pintail | 1 | 11 | 120 | 18 | 150 | 3 | 147 | 39 ( 8 Mar) | 42 | 14 | 22 Jan | 4 Apr | ||||
| 16. | Teal | 21 | 52 | 2314 | 310 | 2697 | 94 | 2603 | 683 ( 8 Mar) | 79 | 26 | 2 Jan | 6 Apr | ||||
| 17. | duck sp. | 0 | 0 | 10 | 0 | 10 | 0 | 10 | 10 ( 8 Mar) | 3 | 1 | 8 Mar | 8 Mar | ||||
| 18. | Pochard | 0 | 0 | 0 | 3 | 3 | 0 | 3 | 3 ( 3 Apr) | 3 | 1 | 3 Apr | 3 Apr | ||||
| 19. | Tufted Duck | 2 | 0 | 7 | 3 | 12 | 2 | 10 | 4 (21 Mar) | 15 | 5 | 22 Jan | 4 Apr | ||||
| 20. | Scaup | 0 | 2 | 11 | 0 | 13 | 0 | 13 | 6 ( 9 Mar) | 9 | 3 | 18 Feb | 30 Mar | ||||
| 21. | Aythya sp. | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (26 Jan) | 3 | 1 | 26 Jan | 26 Jan | ||||
| 22. | Eider | 14 | 52 | 369 | 95 | 530 | 290 | 240 | 90 (26 Mar) | 97 | 32 | 2 Jan | 6 Apr | ||||
| 23. | Velvet Scoter | 28 | 0 | 13 | 3 | 44 | 28 | 16 | 27 ( 2 Jan) | 18 | 6 | 2 Jan | 4 Apr | ||||
| 24. | Common Scoter | 393 | 351 | 4638 | 1371 | 6753 | 1417 | 5336 | 1348 (29 Mar) | 100 | 33 | 2 Jan | 6 Apr | ||||
| 25. | Goldeneye | 0 | 0 | 5 | 0 | 5 | 3 | 2 | 3 (19 Mar) | 6 | 2 | 9 Mar | 19 Mar | ||||
| 26. | Smew | 3 | 0 | 0 | 0 | 3 | 3 | 0 | 2 (22 Jan) | 6 | 2 | 11 Jan | 22 Jan | ||||
| 27. | Goosander | 0 | 0 | 6 | 0 | 6 | 0 | 6 | 4 (20 Mar) | 6 | 2 | 9 Mar | 20 Mar | ||||
| 28. | Red-breasted Merganser | 0 | 6 | 222 | 93 | 321 | 15 | 306 | 51 (19 Mar) | 64 | 21 | 6 Feb | 6 Apr | ||||
| 29. | Red-necked Grebe | 1 | 1 | 0 | 0 | 2 | 2 | 0 | 1 (22 Jan) | 6 | 2 | 22 Jan | 15 Feb | ||||
| 30. | Great Crested Grebe | 212 | 49 | 43 | 10 | 314 | 240 | 74 | 181 (22 Jan) | 76 | 25 | 2 Jan | 6 Apr | ||||
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Oystercatcher | 0 | 20 | 114 | 105 | 239 | 51 | 188 | 56 (21 Mar) | 64 | 21 | 15 Feb | 6 Apr | ||||
| 32. | Avocet | 0 | 0 | 389 | 13 | 402 | 3 | 399 | 173 (20 Mar) | 24 | 8 | 8 Mar | 5 Apr | ||||
| 33. | Grey Plover | 0 | 0 | 47 | 159 | 206 | 0 | 206 | 46 ( 3 Apr) | 36 | 12 | 11 Mar | 6 Apr | ||||
| 34. | Ringed Plover | 0 | 1 | 5 | 4 | 10 | 0 | 10 | 4 (21 Mar) | 15 | 5 | 18 Feb | 5 Apr | ||||
| 35. | Little Ringed Plover | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 4 Apr) | 3 | 1 | 4 Apr | 4 Apr | ||||
| 36. | Kentish Plover | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 2 ( 6 Apr) | 3 | 1 | 6 Apr | 6 Apr | ||||
| 37. | Whimbrel | 0 | 0 | 0 | 97 | 97 | 0 | 97 | 69 ( 4 Apr) | 12 | 4 | 3 Apr | 6 Apr | ||||
| 38. | Curlew | 0 | 4 | 40 | 4 | 48 | 4 | 44 | 12 (26 Mar) | 45 | 15 | 15 Feb | 6 Apr | ||||
| 39. | Bar-tailed Godwit | 0 | 0 | 21 | 156 | 177 | 0 | 177 | 110 ( 6 Apr) | 18 | 6 | 21 Mar | 6 Apr | ||||
| 40. | Black-tailed Godwit | 0 | 0 | 4 | 0 | 4 | 4 | 0 | 4 ( 8 Mar) | 3 | 1 | 8 Mar | 8 Mar | ||||
| 41. | Snipe | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (19 Mar) | 3 | 1 | 19 Mar | 19 Mar | ||||
| 42. | Redshank | 0 | 0 | 5 | 19 | 24 | 1 | 23 | 10 ( 4 Apr) | 24 | 8 | 11 Mar | 6 Apr | ||||
| 43. | Turnstone | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (20 Mar) | 3 | 1 | 20 Mar | 20 Mar | ||||
| 44. | Knot | 0 | 0 | 4 | 93 | 97 | 0 | 97 | 73 ( 6 Apr) | 15 | 5 | 15 Mar | 6 Apr | ||||
| 45. | Ruff | 0 | 0 | 1 | 21 | 22 | 0 | 22 | 19 ( 6 Apr) | 9 | 3 | 9 Mar | 6 Apr | ||||
| 46. | wader sp. | 0 | 0 | 3 | 0 | 3 | 0 | 3 | 3 (15 Mar) | 3 | 1 | 15 Mar | 15 Mar | ||||
| 47. | Sanderling | 3 | 23 | 198 | 15 | 239 | 2 | 237 | 58 (31 Mar) | 45 | 15 | 11 Jan | 4 Apr | ||||
| 48. | Dunlin | 0 | 182 | 2096 | 3854 | 6132 | 10 | 6122 | 2852 ( 4 Apr) | 64 | 21 | 5 Feb | 6 Apr | ||||
| 49. | Purple Sandpiper | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 4 Apr) | 3 | 1 | 4 Apr | 4 Apr | ||||
| 50. | Little Stint | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 4 Apr) | 3 | 1 | 4 Apr | 4 Apr | ||||
| 51. | Calidris sp. | 0 | 3 | 0 | 0 | 3 | 0 | 3 | 3 ( 5 Feb) | 3 | 1 | 5 Feb | 5 Feb | ||||
| 52. | Little Tern | 0 | 0 | 1 | 1 | 2 | 0 | 2 | 1 (31 Mar) | 6 | 2 | 31 Mar | 5 Apr | ||||
| 53. | Common/Arctic Tern | 0 | 0 | 0 | 34 | 34 | 0 | 34 | 34 ( 5 Apr) | 3 | 1 | 5 Apr | 5 Apr | ||||
| 54. | Common Tern | 0 | 0 | 0 | 41 | 41 | 5 | 36 | 21 ( 5 Apr) | 12 | 4 | 2 Apr | 6 Apr | ||||
| 55. | Sandwich Tern | 0 | 0 | 91 | 575 | 666 | 18 | 648 | 221 ( 5 Apr) | 45 | 15 | 9 Mar | 6 Apr | ||||
| 56. | Little Gull | 0 | 5 | 313 | 2707 | 3025 | 57 | 2968 | 1039 ( 3 Apr) | 33 | 11 | 5 Feb | 6 Apr | ||||
| 57. | Kittiwake | 0 | 16 | 4 | 0 | 20 | 14 | 6 | 16 ( 5 Feb) | 12 | 4 | 5 Feb | 31 Mar | ||||
| 58. | Black-headed Gull | 102 | 99 | 1600 | 971 | 2772 | 492 | 2280 | 625 ( 4 Apr) | 91 | 30 | 2 Jan | 6 Apr | ||||
| 59. | Mediterranean Gull | 0 | 0 | 5 | 2 | 7 | 1 | 6 | 2 (19 Mar) | 12 | 4 | 9 Mar | 4 Apr | ||||
| 60. | Common Gull | 49 | 266 | 2626 | 1378 | 4319 | 305 | 4014 | 586 ( 2 Apr) | 88 | 29 | 2 Jan | 6 Apr | ||||
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Caspian Gull | 0 | 0 | 4 | 0 | 4 | 1 | 3 | 1 ( 9 Mar) | 12 | 4 | 9 Mar | 29 Mar | ||||
| 62. | Yellow-legged Gull | 0 | 0 | 1 | 1 | 2 | 0 | 2 | 1 (23 Mar) | 6 | 2 | 23 Mar | 4 Apr | ||||
| 63. | Great Black-backed Gull | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (31 Jan) | 3 | 1 | 31 Jan | 31 Jan | ||||
| 64. | Lesser Black-backed Gull | 1 | 6 | 0 | 0 | 7 | 1 | 6 | 3 ( 5 Feb) | 9 | 3 | 11 Jan | 9 Feb | ||||
| 65. | Razorbill/Guillemot | 0 | 1 | 1 | 0 | 2 | 1 | 1 | 1 ( 5 Feb) | 6 | 2 | 5 Feb | 20 Mar | ||||
| 66. | Red-throated Diver | 175 | 51 | 80 | 9 | 315 | 185 | 130 | 131 (22 Jan) | 82 | 27 | 22 Jan | 6 Apr | ||||
| 67. | Black-throated Diver | 1 | 0 | 3 | 0 | 4 | 0 | 4 | 2 (26 Mar) | 9 | 3 | 31 Jan | 26 Mar | ||||
| 68. | diver sp. | 187 | 194 | 176 | 15 | 572 | 196 | 376 | 91 (26 Feb) | 67 | 22 | 2 Jan | 6 Apr | ||||
| 69. | Gannet | 29 | 14 | 240 | 15 | 298 | 95 | 203 | 64 (30 Mar) | 82 | 27 | 2 Jan | 6 Apr | ||||
| 70. | Cormorant | 0 | 51 | 0 | 0 | 51 | 28 | 23 | 51 (18 Feb) | 3 | 1 | 18 Feb | 18 Feb | ||||
| 71. | Grey Heron | 0 | 0 | 5 | 2 | 7 | 0 | 7 | 4 (21 Mar) | 9 | 3 | 19 Mar | 4 Apr | ||||
| 72. | Kestrel | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 2 ( 4 Apr) | 3 | 1 | 4 Apr | 4 Apr | ||||
| 73. | Merlin | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 2 ( 4 Apr) | 3 | 1 | 4 Apr | 4 Apr | ||||
| 74. | Rook | 0 | 0 | 1 | 1 | 2 | 1 | 1 | 1 ( 8 Mar) | 6 | 2 | 8 Mar | 4 Apr | ||||
| 75. | Skylark | 0 | 0 | 4 | 0 | 4 | 0 | 4 | 3 (23 Mar) | 6 | 2 | 20 Mar | 23 Mar | ||||
| 76. | Sand Martin | 0 | 0 | 0 | 14 | 14 | 0 | 14 | 14 ( 4 Apr) | 3 | 1 | 4 Apr | 4 Apr | ||||
| 77. | alba wagtail sp. | 0 | 0 | 5 | 0 | 5 | 0 | 5 | 5 (20 Mar) | 3 | 1 | 20 Mar | 20 Mar | ||||
| 78. | Pied Wagtail | 0 | 0 | 2 | 0 | 2 | 1 | 1 | 1 (19 Mar) | 6 | 2 | 19 Mar | 23 Mar | ||||
| 79. | Rock Pipit | 0 | 0 | 2 | 3 | 5 | 0 | 5 | 3 ( 5 Apr) | 9 | 3 | 1 Mar | 5 Apr | ||||
| 80. | Snow Bunting | 1 | 0 | 1 | 0 | 2 | 1 | 1 | 1 (11 Jan) | 6 | 2 | 11 Jan | 9 Mar | ||||
| Other species | |||||||||||||||||
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Harbour Porpoise | 5 | 2 | 0 | 0 | 7 | 3 | 4 | 4 (22 Jan) | 12 | 4 | 11 Jan | 9 Feb | ||||
| 2. | Common Seal | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (22 Mar) | 3 | 1 | 22 Mar | 22 Mar | ||||
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 1940 | 2489 | 23331 | 14792 | 42552 | 4888 | 37664 | 100 | 33 | ||||||||
| Observation hours | 7:30 | 11:00 | 35:50 | 13:30 | 67:50 | ||||||||||||
This page is created on 2025/04/07 06:00:39 and will be cached for 2 minutes.
