Also present
Totals Katwijk - Savoy (zeetrek) 2025
| Species | Feb | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 0 | 151 | 15 | 610 | 776 | 4 | 772 | 610 (21 May) | 30 | 7 | 13 Mar | 21 May | ||||
| 2. | Pale-bellied Brent Goose | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 (21 May) | 4 | 1 | 21 May | 21 May | ||||
| 3. | Canada Goose | 0 | 29 | 10 | 0 | 39 | 26 | 13 | 22 ( 9 Mar) | 26 | 6 | 8 Mar | 26 Apr | ||||
| 4. | Barnacle Goose | 0 | 245 | 217 | 4 | 466 | 5 | 461 | 195 ( 8 Mar) | 30 | 7 | 8 Mar | 14 May | ||||
| 5. | Greylag Goose | 0 | 50 | 2 | 0 | 52 | 34 | 18 | 23 ( 9 Mar) | 30 | 7 | 8 Mar | 28 Apr | ||||
| 6. | Mute Swan | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 7 May) | 4 | 1 | 7 May | 7 May | ||||
| 7. | swan sp. | 0 | 0 | 0 | 3 | 3 | 3 | 0 | 3 ( 5 May) | 4 | 1 | 5 May | 5 May | ||||
| 8. | Egyptian Goose | 0 | 26 | 6 | 0 | 32 | 6 | 26 | 20 ( 8 Mar) | 17 | 4 | 8 Mar | 3 Apr | ||||
| 9. | Shelduck | 4 | 15 | 26 | 85 | 130 | 18 | 112 | 58 (21 May) | 74 | 17 | 6 Feb | 21 May | ||||
| 10. | Shoveler | 0 | 45 | 24 | 0 | 69 | 24 | 45 | 21 ( 9 Mar) | 26 | 6 | 8 Mar | 18 Apr | ||||
| 11. | Gadwall | 0 | 0 | 4 | 2 | 6 | 0 | 6 | 2 ( 3 Apr) | 13 | 3 | 3 Apr | 6 May | ||||
| 12. | Wigeon | 47 | 391 | 27 | 3 | 468 | 4 | 464 | 221 (29 Mar) | 43 | 10 | 6 Feb | 22 May | ||||
| 13. | Mallard | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 (21 May) | 4 | 1 | 21 May | 21 May | ||||
| 14. | Pintail | 0 | 14 | 0 | 0 | 14 | 0 | 14 | 11 ( 8 Mar) | 13 | 3 | 8 Mar | 29 Mar | ||||
| 15. | Teal | 0 | 505 | 134 | 14 | 653 | 9 | 644 | 376 (29 Mar) | 65 | 15 | 8 Mar | 8 May | ||||
| 16. | duck sp. | 0 | 151 | 5 | 0 | 156 | 0 | 156 | 120 ( 8 Mar) | 22 | 5 | 8 Mar | 9 Apr | ||||
| 17. | Tufted Duck | 0 | 7 | 0 | 1 | 8 | 0 | 8 | 6 ( 9 Mar) | 13 | 3 | 9 Mar | 21 May | ||||
| 18. | Eider | 3 | 40 | 83 | 55 | 181 | 70 | 111 | 48 (18 Apr) | 87 | 20 | 6 Feb | 22 May | ||||
| 19. | Velvet Scoter | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 (30 Mar) | 4 | 1 | 30 Mar | 30 Mar | ||||
| 20. | Common Scoter | 0 | 395 | 478 | 413 | 1286 | 249 | 1037 | 203 (18 Apr) | 96 | 22 | 8 Mar | 22 May | ||||
| 21. | Long-tailed Duck | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 6 May) | 4 | 1 | 6 May | 6 May | ||||
| 22. | Red-breasted Merganser | 1 | 28 | 35 | 1 | 65 | 17 | 48 | 14 (18 Apr) | 57 | 13 | 6 Feb | 8 May | ||||
| 23. | Swift | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (28 Apr) | 4 | 1 | 28 Apr | 28 Apr | ||||
| 24. | Great Crested Grebe | 6 | 10 | 10 | 16 | 42 | 7 | 35 | 11 (21 May) | 52 | 12 | 6 Feb | 22 May | ||||
| 25. | Oystercatcher | 10 | 10 | 52 | 94 | 166 | 9 | 157 | 19 ( 7 May) | 91 | 21 | 6 Feb | 22 May | ||||
| 26. | Avocet | 0 | 22 | 11 | 1 | 34 | 0 | 34 | 19 ( 8 Mar) | 30 | 7 | 8 Mar | 22 May | ||||
| 27. | Grey Plover | 0 | 3 | 32 | 98 | 133 | 0 | 133 | 34 ( 5 May) | 52 | 12 | 16 Mar | 22 May | ||||
| 28. | Golden Plover | 0 | 0 | 2 | 0 | 2 | 0 | 2 | 2 (18 Apr) | 4 | 1 | 18 Apr | 18 Apr | ||||
| 29. | Ringed Plover | 0 | 6 | 12 | 271 | 289 | 0 | 289 | 94 (14 May) | 43 | 10 | 8 Mar | 22 May | ||||
| 30. | Whimbrel | 0 | 0 | 174 | 75 | 249 | 0 | 249 | 57 (18 Apr) | 52 | 12 | 3 Apr | 8 May | ||||
| Species | Feb | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Curlew | 0 | 6 | 4 | 0 | 10 | 0 | 10 | 6 (29 Mar) | 9 | 2 | 29 Mar | 18 Apr | ||||
| 32. | Bar-tailed Godwit | 0 | 0 | 120 | 23 | 143 | 0 | 143 | 81 (25 Apr) | 52 | 12 | 3 Apr | 14 May | ||||
| 33. | Redshank | 0 | 0 | 1 | 9 | 10 | 0 | 10 | 8 ( 5 May) | 13 | 3 | 3 Apr | 6 May | ||||
| 34. | Greenshank | 0 | 0 | 18 | 1 | 19 | 0 | 19 | 16 (26 Apr) | 13 | 3 | 26 Apr | 6 May | ||||
| 35. | Turnstone | 0 | 0 | 1 | 24 | 25 | 0 | 25 | 9 ( 6 May) | 22 | 5 | 26 Apr | 14 May | ||||
| 36. | Knot | 0 | 0 | 0 | 288 | 288 | 0 | 288 | 178 ( 5 May) | 26 | 6 | 4 May | 21 May | ||||
| 37. | wader sp. | 0 | 27 | 6 | 31 | 64 | 4 | 60 | 20 ( 4 May) | 35 | 8 | 8 Mar | 7 May | ||||
| 38. | Sanderling | 0 | 13 | 17 | 825 | 855 | 10 | 845 | 208 (21 May) | 52 | 12 | 8 Mar | 22 May | ||||
| 39. | Dunlin | 1 | 43 | 6 | 136 | 186 | 0 | 186 | 38 ( 4 May) | 61 | 14 | 6 Feb | 14 May | ||||
| 40. | Calidris sp. | 0 | 10 | 9 | 67 | 86 | 0 | 86 | 27 (14 May) | 26 | 6 | 8 Mar | 14 May | ||||
| 41. | Little Tern | 0 | 0 | 170 | 87 | 257 | 2 | 255 | 117 (18 Apr) | 48 | 11 | 18 Apr | 22 May | ||||
| 42. | Gull-billed Tern | 0 | 0 | 0 | 3 | 3 | 0 | 3 | 3 ( 6 May) | 4 | 1 | 6 May | 6 May | ||||
| 43. | Black Tern | 0 | 0 | 12 | 160 | 172 | 0 | 172 | 45 ( 6 May) | 48 | 11 | 18 Apr | 21 May | ||||
| 44. | Arctic Tern | 0 | 0 | 86 | 121 | 207 | 0 | 207 | 49 (20 Apr) | 48 | 11 | 18 Apr | 22 May | ||||
| 45. | Common/Arctic Tern | 0 | 0 | 120 | 3561 | 3681 | 0 | 3681 | 1251 ( 4 May) | 26 | 6 | 26 Apr | 8 May | ||||
| 46. | Common Tern | 0 | 0 | 2140 | 1802 | 3942 | 84 | 3858 | 584 (14 May) | 52 | 12 | 9 Apr | 22 May | ||||
| 47. | Sandwich Tern | 0 | 9 | 908 | 372 | 1289 | 26 | 1263 | 197 (18 Apr) | 74 | 17 | 29 Mar | 22 May | ||||
| 48. | Little Gull | 0 | 10 | 569 | 21 | 600 | 0 | 600 | 187 (26 Apr) | 43 | 10 | 13 Mar | 6 May | ||||
| 49. | Kittiwake | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (13 Mar) | 4 | 1 | 13 Mar | 13 Mar | ||||
| 50. | Black-headed Gull | 21 | 303 | 293 | 106 | 723 | 41 | 682 | 190 (28 Apr) | 65 | 15 | 6 Feb | 14 May | ||||
| 51. | Mediterranean Gull | 0 | 2 | 5 | 2 | 9 | 2 | 7 | 2 (18 Apr) | 30 | 7 | 9 Mar | 7 May | ||||
| 52. | Common Gull | 0 | 40 | 165 | 23 | 228 | 15 | 213 | 95 (28 Apr) | 30 | 7 | 9 Mar | 22 May | ||||
| 53. | Herring Gull | 13 | 157 | 50 | 12 | 232 | 7 | 225 | 128 ( 9 Mar) | 30 | 7 | 6 Feb | 14 May | ||||
| 54. | Great Black-backed Gull | 0 | 2 | 2 | 1 | 5 | 0 | 5 | 1 ( 8 Mar) | 22 | 5 | 8 Mar | 6 May | ||||
| 55. | Lesser Black-backed Gull | 0 | 456 | 69 | 117 | 642 | 2 | 640 | 384 ( 9 Mar) | 52 | 12 | 8 Mar | 22 May | ||||
| 56. | Red-throated Diver | 6 | 24 | 14 | 2 | 46 | 16 | 30 | 7 (13 Mar) | 57 | 13 | 6 Feb | 8 May | ||||
| 57. | diver sp. | 0 | 0 | 1 | 2 | 3 | 1 | 2 | 1 (18 Apr) | 13 | 3 | 18 Apr | 7 May | ||||
| 58. | Gannet | 0 | 12 | 9 | 4 | 25 | 5 | 20 | 6 (20 Apr) | 43 | 10 | 8 Mar | 22 May | ||||
| 59. | Cormorant | 40 | 216 | 278 | 1017 | 1551 | 197 | 1354 | 452 (22 May) | 91 | 21 | 6 Feb | 22 May | ||||
| 60. | Spoonbill | 0 | 0 | 3 | 0 | 3 | 0 | 3 | 3 ( 9 Apr) | 4 | 1 | 9 Apr | 9 Apr | ||||
| Species | Feb | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Great White Egret | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 2 (14 May) | 4 | 1 | 14 May | 14 May | ||||
| 62. | Grey Heron | 0 | 3 | 4 | 2 | 9 | 0 | 9 | 4 ( 9 Apr) | 17 | 4 | 8 Mar | 5 May | ||||
| 63. | Marsh Harrier | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 (14 May) | 4 | 1 | 14 May | 14 May | ||||
| 64. | Hobby | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (20 Apr) | 4 | 1 | 20 Apr | 20 Apr | ||||
| 65. | Jackdaw | 0 | 0 | 8 | 0 | 8 | 0 | 8 | 8 (28 Apr) | 4 | 1 | 28 Apr | 28 Apr | ||||
| 66. | Carrion Crow | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 2 ( 3 Apr) | 4 | 1 | 3 Apr | 3 Apr | ||||
| 67. | Sand Martin | 0 | 0 | 2 | 1 | 3 | 0 | 3 | 2 (25 Apr) | 9 | 2 | 25 Apr | 5 May | ||||
| 68. | Swallow | 0 | 0 | 20 | 38 | 58 | 2 | 56 | 17 (14 May) | 43 | 10 | 18 Apr | 21 May | ||||
| 69. | Starling | 0 | 5 | 0 | 0 | 5 | 0 | 5 | 4 (16 Mar) | 9 | 2 | 13 Mar | 16 Mar | ||||
| 70. | Blue-headed Wagtail | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 2 (14 May) | 4 | 1 | 14 May | 14 May | ||||
| 71. | Yellow wagtail sp. | 0 | 0 | 7 | 2 | 9 | 0 | 9 | 4 (18 Apr) | 13 | 3 | 18 Apr | 6 May | ||||
| 72. | White Wagtail | 0 | 5 | 0 | 0 | 5 | 0 | 5 | 2 ( 9 Mar) | 13 | 3 | 9 Mar | 16 Mar | ||||
| 73. | alba wagtail sp. | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 (29 Mar) | 4 | 1 | 29 Mar | 29 Mar | ||||
| 74. | Meadow Pipit | 0 | 2 | 0 | 0 | 2 | 0 | 2 | 2 (13 Mar) | 4 | 1 | 13 Mar | 13 Mar | ||||
| Other species | |||||||||||||||||
| Species | Feb | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Harbour Porpoise | 0 | 3 | 2 | 0 | 5 | 2 | 3 | 3 (13 Mar) | 9 | 2 | 13 Mar | 28 Apr | ||||
| Species | Feb | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 152 | 3494 | 6482 | 10615 | 20743 | 904 | 19839 | 100 | 23 | ||||||||
| Observation hours | 1:00 | 10:11 | 13:10 | 17:59 | 42:20 | ||||||||||||
This page is created on 2025/07/02 11:42:49 and will be cached for 2 minutes.
