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 | 1049 | 2352 | 63 | 2289 | 411 ( 4 Apr) | 63 | 25 | 2 Jan | 23 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 | 7 | 28 | 10 | 18 | 8 ( 9 Mar) | 20 | 8 | 26 Feb | 19 Apr | ||||
| 4. | Barnacle Goose | 187 | 103 | 3491 | 1265 | 5046 | 562 | 4484 | 1475 ( 8 Mar) | 43 | 17 | 22 Jan | 16 Apr | ||||
| 5. | Greylag Goose | 3 | 57 | 254 | 177 | 491 | 170 | 321 | 91 ( 9 Mar) | 70 | 28 | 22 Jan | 19 Apr | ||||
| 6. | Pink-footed Goose | 134 | 263 | 0 | 0 | 397 | 36 | 361 | 263 (26 Feb) | 8 | 3 | 22 Jan | 26 Feb | ||||
| 7. | Eurasian White-fronted Goose | 5 | 46 | 0 | 0 | 51 | 1 | 50 | 46 (26 Feb) | 8 | 3 | 22 Jan | 26 Feb | ||||
| 8. | Egyptian Goose | 2 | 14 | 70 | 65 | 151 | 36 | 115 | 28 (21 Mar) | 53 | 21 | 22 Jan | 19 Apr | ||||
| 9. | Shelduck | 7 | 10 | 129 | 80 | 226 | 19 | 207 | 59 (19 Mar) | 70 | 28 | 2 Jan | 23 Apr | ||||
| 10. | Garganey | 0 | 0 | 13 | 4 | 17 | 2 | 15 | 8 (21 Mar) | 10 | 4 | 21 Mar | 6 Apr | ||||
| 11. | Shoveler | 0 | 2 | 724 | 1071 | 1797 | 101 | 1696 | 357 ( 4 Apr) | 55 | 22 | 18 Feb | 23 Apr | ||||
| 12. | Gadwall | 0 | 14 | 28 | 27 | 69 | 16 | 53 | 16 ( 6 Apr) | 35 | 14 | 15 Feb | 19 Apr | ||||
| 13. | Wigeon | 355 | 386 | 1591 | 72 | 2404 | 385 | 2019 | 913 (29 Mar) | 73 | 29 | 2 Jan | 8 Apr | ||||
| 14. | Mallard | 0 | 0 | 3 | 1 | 4 | 0 | 4 | 2 (20 Mar) | 8 | 3 | 8 Mar | 4 Apr | ||||
| 15. | Pintail | 1 | 11 | 120 | 30 | 162 | 3 | 159 | 39 ( 8 Mar) | 38 | 15 | 22 Jan | 8 Apr | ||||
| 16. | Teal | 21 | 52 | 2314 | 930 | 3317 | 100 | 3217 | 683 ( 8 Mar) | 75 | 30 | 2 Jan | 21 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 | 5 | 14 | 2 | 12 | 4 (21 Mar) | 15 | 6 | 22 Jan | 19 Apr | ||||
| 20. | Scaup | 0 | 2 | 11 | 0 | 13 | 0 | 13 | 6 ( 9 Mar) | 8 | 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 | 168 | 603 | 293 | 310 | 90 (26 Mar) | 95 | 38 | 2 Jan | 21 Apr | ||||
| 23. | Velvet Scoter | 28 | 0 | 13 | 3 | 44 | 28 | 16 | 27 ( 2 Jan) | 15 | 6 | 2 Jan | 4 Apr | ||||
| 24. | Common Scoter | 393 | 351 | 4638 | 2244 | 7626 | 1684 | 5942 | 1348 (29 Mar) | 100 | 40 | 2 Jan | 23 Apr | ||||
| 25. | Goldeneye | 0 | 0 | 5 | 0 | 5 | 3 | 2 | 3 (19 Mar) | 5 | 2 | 9 Mar | 19 Mar | ||||
| 26. | Smew | 3 | 0 | 0 | 0 | 3 | 3 | 0 | 2 (22 Jan) | 5 | 2 | 11 Jan | 22 Jan | ||||
| 27. | Goosander | 0 | 0 | 6 | 0 | 6 | 0 | 6 | 4 (20 Mar) | 5 | 2 | 9 Mar | 20 Mar | ||||
| 28. | Red-breasted Merganser | 0 | 6 | 222 | 214 | 442 | 20 | 422 | 58 ( 8 Apr) | 68 | 27 | 6 Feb | 21 Apr | ||||
| 29. | Red-necked Grebe | 1 | 1 | 0 | 0 | 2 | 2 | 0 | 1 (22 Jan) | 5 | 2 | 22 Jan | 15 Feb | ||||
| 30. | Great Crested Grebe | 212 | 49 | 43 | 13 | 317 | 240 | 77 | 181 (22 Jan) | 68 | 27 | 2 Jan | 16 Apr | ||||
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Oystercatcher | 0 | 20 | 114 | 225 | 359 | 99 | 260 | 56 (21 Mar) | 70 | 28 | 15 Feb | 23 Apr | ||||
| 32. | Avocet | 0 | 0 | 389 | 22 | 411 | 3 | 408 | 173 (20 Mar) | 28 | 11 | 8 Mar | 23 Apr | ||||
| 33. | Grey Plover | 0 | 0 | 47 | 170 | 217 | 0 | 217 | 46 ( 3 Apr) | 35 | 14 | 11 Mar | 21 Apr | ||||
| 34. | Ringed Plover | 0 | 1 | 5 | 8 | 14 | 0 | 14 | 4 (21 Mar) | 15 | 6 | 18 Feb | 21 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 | 160 | 160 | 0 | 160 | 69 ( 4 Apr) | 25 | 10 | 3 Apr | 23 Apr | ||||
| 38. | Curlew | 0 | 4 | 40 | 37 | 81 | 4 | 77 | 33 (16 Apr) | 40 | 16 | 15 Feb | 16 Apr | ||||
| 39. | Bar-tailed Godwit | 0 | 0 | 21 | 577 | 598 | 0 | 598 | 378 (21 Apr) | 20 | 8 | 21 Mar | 21 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 | 46 | 51 | 1 | 50 | 27 (21 Apr) | 23 | 9 | 11 Mar | 21 Apr | ||||
| 43. | Greenshank | 0 | 0 | 0 | 23 | 23 | 0 | 23 | 19 (21 Apr) | 5 | 2 | 19 Apr | 21 Apr | ||||
| 44. | Turnstone | 0 | 0 | 1 | 10 | 11 | 1 | 10 | 10 (21 Apr) | 5 | 2 | 20 Mar | 21 Apr | ||||
| 45. | Knot | 0 | 0 | 4 | 132 | 136 | 0 | 136 | 73 ( 6 Apr) | 20 | 8 | 15 Mar | 21 Apr | ||||
| 46. | Ruff | 0 | 0 | 1 | 21 | 22 | 0 | 22 | 19 ( 6 Apr) | 8 | 3 | 9 Mar | 6 Apr | ||||
| 47. | wader sp. | 0 | 0 | 3 | 2 | 5 | 0 | 5 | 3 (15 Mar) | 5 | 2 | 15 Mar | 21 Apr | ||||
| 48. | small wader | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 2 (19 Apr) | 3 | 1 | 19 Apr | 19 Apr | ||||
| 49. | Sanderling | 3 | 23 | 198 | 184 | 408 | 2 | 406 | 82 (21 Apr) | 50 | 20 | 11 Jan | 23 Apr | ||||
| 50. | Dunlin | 0 | 182 | 2096 | 4691 | 6969 | 11 | 6958 | 2852 ( 4 Apr) | 65 | 26 | 5 Feb | 21 Apr | ||||
| 51. | Purple Sandpiper | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 1 ( 4 Apr) | 5 | 2 | 4 Apr | 8 Apr | ||||
| 52. | Little Stint | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 4 Apr) | 3 | 1 | 4 Apr | 4 Apr | ||||
| 53. | Calidris sp. | 0 | 3 | 0 | 20 | 23 | 0 | 23 | 20 (21 Apr) | 5 | 2 | 5 Feb | 21 Apr | ||||
| 54. | Little Tern | 0 | 0 | 1 | 106 | 107 | 1 | 106 | 59 (21 Apr) | 15 | 6 | 31 Mar | 23 Apr | ||||
| 55. | Black Tern | 0 | 0 | 0 | 17 | 17 | 0 | 17 | 9 (19 Apr) | 8 | 3 | 8 Apr | 21 Apr | ||||
| 56. | Arctic Tern | 0 | 0 | 0 | 19 | 19 | 0 | 19 | 19 (19 Apr) | 3 | 1 | 19 Apr | 19 Apr | ||||
| 57. | Common/Arctic Tern | 0 | 0 | 0 | 620 | 620 | 131 | 489 | 412 (19 Apr) | 13 | 5 | 5 Apr | 23 Apr | ||||
| 58. | Common Tern | 0 | 0 | 0 | 1032 | 1032 | 358 | 674 | 877 (21 Apr) | 25 | 10 | 2 Apr | 23 Apr | ||||
| 59. | Sandwich Tern | 0 | 0 | 91 | 2092 | 2183 | 552 | 1631 | 438 (19 Apr) | 55 | 22 | 9 Mar | 23 Apr | ||||
| 60. | Little Gull | 0 | 5 | 313 | 5962 | 6280 | 65 | 6215 | 2835 (21 Apr) | 45 | 18 | 5 Feb | 23 Apr | ||||
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Kittiwake | 0 | 16 | 4 | 0 | 20 | 14 | 6 | 16 ( 5 Feb) | 10 | 4 | 5 Feb | 31 Mar | ||||
| 62. | Black-headed Gull | 102 | 99 | 1600 | 1619 | 3420 | 506 | 2914 | 625 ( 4 Apr) | 93 | 37 | 2 Jan | 23 Apr | ||||
| 63. | Mediterranean Gull | 0 | 0 | 5 | 8 | 13 | 3 | 10 | 2 (19 Mar) | 20 | 8 | 9 Mar | 23 Apr | ||||
| 64. | Common Gull | 49 | 266 | 2626 | 2754 | 5695 | 340 | 5355 | 586 ( 2 Apr) | 88 | 35 | 2 Jan | 23 Apr | ||||
| 65. | Caspian Gull | 0 | 0 | 4 | 0 | 4 | 1 | 3 | 1 ( 9 Mar) | 10 | 4 | 9 Mar | 29 Mar | ||||
| 66. | Yellow-legged Gull | 0 | 0 | 1 | 1 | 2 | 0 | 2 | 1 (23 Mar) | 5 | 2 | 23 Mar | 4 Apr | ||||
| 67. | Great Black-backed Gull | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (31 Jan) | 3 | 1 | 31 Jan | 31 Jan | ||||
| 68. | Lesser Black-backed Gull | 1 | 6 | 0 | 0 | 7 | 1 | 6 | 3 ( 5 Feb) | 8 | 3 | 11 Jan | 9 Feb | ||||
| 69. | Razorbill/Guillemot | 0 | 1 | 1 | 1 | 3 | 2 | 1 | 1 ( 5 Feb) | 8 | 3 | 5 Feb | 8 Apr | ||||
| 70. | Red-throated Diver | 175 | 51 | 80 | 31 | 337 | 185 | 152 | 131 (22 Jan) | 78 | 31 | 22 Jan | 19 Apr | ||||
| 71. | Black-throated Diver | 1 | 0 | 3 | 0 | 4 | 0 | 4 | 2 (26 Mar) | 8 | 3 | 31 Jan | 26 Mar | ||||
| 72. | diver sp. | 187 | 194 | 176 | 48 | 605 | 196 | 409 | 91 (26 Feb) | 70 | 28 | 2 Jan | 21 Apr | ||||
| 73. | Gannet | 29 | 14 | 240 | 25 | 308 | 98 | 210 | 64 (30 Mar) | 75 | 30 | 2 Jan | 19 Apr | ||||
| 74. | Cormorant | 0 | 51 | 0 | 0 | 51 | 28 | 23 | 51 (18 Feb) | 3 | 1 | 18 Feb | 18 Feb | ||||
| 75. | Grey Heron | 0 | 0 | 5 | 2 | 7 | 0 | 7 | 4 (21 Mar) | 8 | 3 | 19 Mar | 4 Apr | ||||
| 76. | Kestrel | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 2 ( 4 Apr) | 3 | 1 | 4 Apr | 4 Apr | ||||
| 77. | Merlin | 0 | 0 | 0 | 3 | 3 | 0 | 3 | 2 ( 4 Apr) | 5 | 2 | 4 Apr | 8 Apr | ||||
| 78. | Rook | 0 | 0 | 1 | 1 | 2 | 1 | 1 | 1 ( 8 Mar) | 5 | 2 | 8 Mar | 4 Apr | ||||
| 79. | Skylark | 0 | 0 | 4 | 0 | 4 | 0 | 4 | 3 (23 Mar) | 5 | 2 | 20 Mar | 23 Mar | ||||
| 80. | Sand Martin | 0 | 0 | 0 | 14 | 14 | 0 | 14 | 14 ( 4 Apr) | 3 | 1 | 4 Apr | 4 Apr | ||||
| 81. | alba wagtail sp. | 0 | 0 | 5 | 0 | 5 | 0 | 5 | 5 (20 Mar) | 3 | 1 | 20 Mar | 20 Mar | ||||
| 82. | Pied Wagtail | 0 | 0 | 2 | 0 | 2 | 1 | 1 | 1 (19 Mar) | 5 | 2 | 19 Mar | 23 Mar | ||||
| 83. | Rock Pipit | 0 | 0 | 2 | 3 | 5 | 0 | 5 | 3 ( 5 Apr) | 8 | 3 | 1 Mar | 5 Apr | ||||
| 84. | Snow Bunting | 1 | 0 | 1 | 0 | 2 | 1 | 1 | 1 (11 Jan) | 5 | 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 | 4 | 11 | 3 | 8 | 4 (22 Jan) | 13 | 5 | 11 Jan | 21 Apr | ||||
| 2. | Common Seal | 0 | 0 | 1 | 1 | 2 | 0 | 2 | 1 (22 Mar) | 5 | 2 | 22 Mar | 21 Apr | ||||
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 1940 | 2489 | 23331 | 28130 | 55890 | 6392 | 49498 | 100 | 40 | ||||||||
| Observation hours | 7:30 | 11:00 | 35:50 | 29:10 | 83:30 | ||||||||||||
This page is created on 2025/04/24 01:07:35 and will be cached for 2 minutes.
