Also present
Totals Castricum aan Zee (zeetrek) 2024
| Species | Jan | Feb | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 44 | 521 | 1120 | 51 | 2 | 1738 | 1 | 1737 | 589 (16 Mar) | 65 | 20 | 3 Jan | 1 May | ||||
| 2. | Pale-bellied Brent Goose | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (17 Feb) | 3 | 1 | 17 Feb | 17 Feb | ||||
| 3. | Canada Goose | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (27 Jan) | 3 | 1 | 27 Jan | 27 Jan | ||||
| 4. | Barnacle Goose | 98 | 0 | 489 | 886 | 11 | 1484 | 90 | 1394 | 846 ( 6 Apr) | 26 | 8 | 17 Jan | 2 May | ||||
| 5. | Greylag Goose | 5 | 38 | 97 | 13 | 0 | 153 | 73 | 80 | 54 ( 3 Mar) | 52 | 16 | 27 Jan | 21 Apr | ||||
| 6. | goose sp. | 25 | 2 | 0 | 0 | 0 | 27 | 0 | 27 | 25 (28 Jan) | 6 | 2 | 28 Jan | 25 Feb | ||||
| 7. | Pink-footed Goose | 290 | 752 | 0 | 0 | 0 | 1042 | 0 | 1042 | 752 (10 Feb) | 10 | 3 | 27 Jan | 10 Feb | ||||
| 8. | Mute Swan | 0 | 0 | 0 | 2 | 7 | 9 | 2 | 7 | 7 ( 2 May) | 6 | 2 | 6 Apr | 2 May | ||||
| 9. | Egyptian Goose | 1 | 26 | 9 | 0 | 0 | 36 | 3 | 33 | 15 ( 7 Feb) | 19 | 6 | 28 Jan | 31 Mar | ||||
| 10. | Shelduck | 2 | 20 | 56 | 20 | 16 | 114 | 26 | 88 | 17 ( 4 Mar) | 61 | 19 | 2 Jan | 2 May | ||||
| 11. | Garganey | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 2 | 2 ( 9 Mar) | 3 | 1 | 9 Mar | 9 Mar | ||||
| 12. | Shoveler | 0 | 17 | 214 | 16 | 10 | 257 | 29 | 228 | 148 (31 Mar) | 35 | 11 | 28 Feb | 1 May | ||||
| 13. | Gadwall | 0 | 0 | 8 | 2 | 2 | 12 | 5 | 7 | 7 (27 Mar) | 13 | 4 | 3 Mar | 1 May | ||||
| 14. | Wigeon | 149 | 188 | 632 | 67 | 0 | 1036 | 189 | 847 | 375 (16 Mar) | 61 | 19 | 2 Jan | 14 Apr | ||||
| 15. | Mallard | 0 | 0 | 6 | 0 | 0 | 6 | 0 | 6 | 2 ( 9 Mar) | 10 | 3 | 9 Mar | 31 Mar | ||||
| 16. | Pintail | 0 | 41 | 99 | 0 | 2 | 142 | 2 | 140 | 39 (16 Mar) | 32 | 10 | 10 Feb | 1 May | ||||
| 17. | Teal | 26 | 140 | 408 | 165 | 8 | 747 | 105 | 642 | 144 (16 Mar) | 77 | 24 | 2 Jan | 1 May | ||||
| 18. | Pochard | 0 | 19 | 0 | 0 | 0 | 19 | 19 | 0 | 19 (25 Feb) | 3 | 1 | 25 Feb | 25 Feb | ||||
| 19. | Tufted Duck | 0 | 0 | 12 | 3 | 0 | 15 | 4 | 11 | 7 ( 3 Mar) | 13 | 4 | 3 Mar | 21 Apr | ||||
| 20. | Scaup | 1 | 1 | 2 | 0 | 1 | 5 | 3 | 2 | 2 ( 8 Mar) | 13 | 4 | 28 Jan | 1 May | ||||
| 21. | King Eider | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 (23 Mar) | 3 | 1 | 23 Mar | 23 Mar | ||||
| 22. | Eider | 13 | 75 | 86 | 47 | 8 | 229 | 155 | 74 | 25 (16 Mar) | 84 | 26 | 17 Jan | 2 May | ||||
| 23. | Velvet Scoter | 171 | 369 | 295 | 230 | 37 | 1102 | 1050 | 52 | 225 (14 Apr) | 90 | 28 | 2 Jan | 2 May | ||||
| 24. | Common Scoter | 4321 | 8716 | 13194 | 17078 | 7105 | 50414 | 43899 | 6515 | 13012 (14 Apr) | 100 | 31 | 2 Jan | 2 May | ||||
| 25. | Long-tailed Duck | 0 | 1 | 1 | 0 | 0 | 2 | 1 | 1 | 1 (21 Feb) | 6 | 2 | 21 Feb | 31 Mar | ||||
| 26. | Red-breasted Merganser | 21 | 10 | 32 | 16 | 5 | 84 | 20 | 64 | 15 (19 Jan) | 65 | 20 | 2 Jan | 1 May | ||||
| 27. | Red-necked Grebe | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (10 Feb) | 3 | 1 | 10 Feb | 10 Feb | ||||
| 28. | Great Crested Grebe | 186 | 28 | 11 | 6 | 0 | 231 | 195 | 36 | 112 ( 3 Jan) | 65 | 20 | 2 Jan | 17 Apr | ||||
| 29. | Slavonian Grebe | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (10 Feb) | 3 | 1 | 10 Feb | 10 Feb | ||||
| 30. | Oystercatcher | 0 | 11 | 28 | 21 | 48 | 108 | 12 | 96 | 45 ( 1 May) | 52 | 16 | 3 Feb | 2 May | ||||
| Species | Jan | Feb | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Avocet | 0 | 4 | 68 | 0 | 1 | 73 | 12 | 61 | 41 ( 9 Mar) | 19 | 6 | 25 Feb | 2 May | ||||
| 32. | Grey Plover | 0 | 0 | 5 | 14 | 43 | 62 | 0 | 62 | 43 ( 1 May) | 19 | 6 | 16 Mar | 1 May | ||||
| 33. | Ringed Plover | 0 | 0 | 0 | 0 | 5 | 5 | 0 | 5 | 5 ( 1 May) | 3 | 1 | 1 May | 1 May | ||||
| 34. | Little Ringed Plover | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 1 May) | 3 | 1 | 1 May | 1 May | ||||
| 35. | Whimbrel | 0 | 0 | 0 | 26 | 15 | 41 | 5 | 36 | 17 ( 6 Apr) | 19 | 6 | 6 Apr | 2 May | ||||
| 36. | Curlew | 0 | 3 | 32 | 3 | 0 | 38 | 4 | 34 | 18 (31 Mar) | 29 | 9 | 10 Feb | 19 Apr | ||||
| 37. | Bar-tailed Godwit | 0 | 0 | 2 | 4346 | 6 | 4354 | 0 | 4354 | 3178 (20 Apr) | 19 | 6 | 16 Mar | 1 May | ||||
| 38. | Turnstone | 6 | 1 | 0 | 0 | 1 | 8 | 0 | 8 | 6 (17 Jan) | 10 | 3 | 17 Jan | 1 May | ||||
| 39. | Knot | 0 | 0 | 47 | 13 | 56 | 116 | 0 | 116 | 56 ( 1 May) | 19 | 6 | 9 Mar | 1 May | ||||
| 40. | Ruff | 0 | 0 | 4 | 0 | 0 | 4 | 0 | 4 | 4 (31 Mar) | 3 | 1 | 31 Mar | 31 Mar | ||||
| 41. | Sanderling | 7 | 35 | 43 | 26 | 168 | 279 | 33 | 246 | 158 ( 1 May) | 26 | 8 | 17 Jan | 2 May | ||||
| 42. | Dunlin | 2 | 135 | 389 | 6 | 90 | 622 | 5 | 617 | 118 (17 Feb) | 42 | 13 | 27 Jan | 1 May | ||||
| 43. | Purple Sandpiper | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 ( 9 Mar) | 3 | 1 | 9 Mar | 9 Mar | ||||
| 44. | Little Stint | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 1 May) | 3 | 1 | 1 May | 1 May | ||||
| 45. | Calidris sp. | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 2 | 2 ( 3 Feb) | 3 | 1 | 3 Feb | 3 Feb | ||||
| 46. | Redshank | 0 | 0 | 60 | 1 | 8 | 69 | 1 | 68 | 59 (31 Mar) | 13 | 4 | 9 Mar | 2 May | ||||
| 47. | Greenshank | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 3 | 3 ( 1 May) | 3 | 1 | 1 May | 1 May | ||||
| 48. | Kittiwake | 117 | 130 | 1 | 0 | 0 | 248 | 235 | 13 | 58 ( 4 Feb) | 32 | 10 | 2 Jan | 27 Mar | ||||
| 49. | Black-headed Gull | 45 | 111 | 793 | 61 | 99 | 1109 | 196 | 913 | 453 (16 Mar) | 94 | 29 | 2 Jan | 2 May | ||||
| 50. | Little Gull | 9 | 85 | 21 | 451 | 229 | 795 | 94 | 701 | 291 (14 Apr) | 68 | 21 | 2 Jan | 2 May | ||||
| 51. | Mediterranean Gull | 0 | 2 | 3 | 5 | 0 | 10 | 0 | 10 | 3 (14 Apr) | 19 | 6 | 4 Feb | 14 Apr | ||||
| 52. | Common Gull | 252 | 503 | 1140 | 339 | 548 | 2782 | 536 | 2246 | 457 (23 Mar) | 94 | 29 | 2 Jan | 2 May | ||||
| 53. | Great Black-backed Gull | 4 | 5 | 0 | 0 | 0 | 9 | 8 | 1 | 4 ( 3 Jan) | 10 | 3 | 3 Jan | 25 Feb | ||||
| 54. | Caspian Gull | 2 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 2 ( 3 Jan) | 3 | 1 | 3 Jan | 3 Jan | ||||
| 55. | Lesser Black-backed Gull | 2 | 4 | 1 | 0 | 0 | 7 | 6 | 1 | 3 ( 3 Feb) | 13 | 4 | 27 Jan | 4 Mar | ||||
| 56. | Sandwich Tern | 0 | 0 | 4 | 182 | 139 | 325 | 26 | 299 | 93 (14 Apr) | 32 | 10 | 16 Mar | 2 May | ||||
| 57. | Little Tern | 0 | 0 | 0 | 1 | 15 | 16 | 0 | 16 | 15 ( 1 May) | 6 | 2 | 20 Apr | 1 May | ||||
| 58. | Common Tern | 0 | 0 | 1 | 41 | 0 | 42 | 26 | 16 | 35 (14 Apr) | 10 | 3 | 31 Mar | 14 Apr | ||||
| 59. | Arctic Tern | 0 | 0 | 0 | 6 | 24 | 30 | 0 | 30 | 24 ( 2 May) | 13 | 4 | 17 Apr | 2 May | ||||
| 60. | Common/Arctic Tern | 0 | 0 | 0 | 750 | 1669 | 2419 | 245 | 2174 | 1022 ( 2 May) | 26 | 8 | 6 Apr | 2 May | ||||
| Species | Jan | Feb | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Black Tern | 0 | 0 | 0 | 2 | 40 | 42 | 0 | 42 | 38 ( 2 May) | 13 | 4 | 14 Apr | 2 May | ||||
| 62. | Arctic Skua | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 2 | 1 (14 Apr) | 6 | 2 | 14 Apr | 17 Apr | ||||
| 63. | Guillemot | 27 | 51 | 0 | 0 | 0 | 78 | 75 | 3 | 29 ( 3 Feb) | 32 | 10 | 2 Jan | 10 Feb | ||||
| 64. | Razorbill | 4 | 1 | 1 | 0 | 0 | 6 | 5 | 1 | 4 ( 2 Jan) | 10 | 3 | 2 Jan | 16 Mar | ||||
| 65. | Razorbill/Guillemot | 785 | 211 | 13 | 0 | 0 | 1009 | 874 | 135 | 304 ( 2 Jan) | 42 | 13 | 2 Jan | 16 Mar | ||||
| 66. | Red-throated Diver | 211 | 104 | 39 | 17 | 3 | 374 | 91 | 283 | 96 (27 Jan) | 71 | 22 | 2 Jan | 2 May | ||||
| 67. | Black-throated Diver | 0 | 1 | 4 | 8 | 0 | 13 | 0 | 13 | 7 (20 Apr) | 16 | 5 | 10 Feb | 20 Apr | ||||
| 68. | Great Northern Diver | 0 | 1 | 1 | 0 | 0 | 2 | 0 | 2 | 1 ( 7 Feb) | 6 | 2 | 7 Feb | 16 Mar | ||||
| 69. | diver sp. | 821 | 535 | 96 | 14 | 0 | 1466 | 797 | 669 | 323 ( 2 Jan) | 74 | 23 | 2 Jan | 19 Apr | ||||
| 70. | Gannet | 34 | 42 | 148 | 8 | 7 | 239 | 80 | 159 | 136 (16 Mar) | 68 | 21 | 2 Jan | 2 May | ||||
| 71. | Cormorant | 665 | 0 | 0 | 0 | 0 | 665 | 168 | 497 | 665 (27 Jan) | 3 | 1 | 27 Jan | 27 Jan | ||||
| 72. | Skylark | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 2 | 2 ( 9 Mar) | 3 | 1 | 9 Mar | 9 Mar | ||||
| 73. | Starling | 0 | 30 | 11 | 0 | 0 | 41 | 33 | 8 | 30 (25 Feb) | 10 | 3 | 25 Feb | 31 Mar | ||||
| 74. | alba wagtail sp. | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (23 Mar) | 3 | 1 | 23 Mar | 23 Mar | ||||
| 75. | Rock Pipit | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 (16 Mar) | 3 | 1 | 16 Mar | 16 Mar | ||||
| Other species | ||||||||||||||||||
| Species | Jan | Feb | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Harbour Porpoise | 7 | 33 | 4 | 0 | 0 | 44 | 18 | 26 | 10 (28 Feb) | 39 | 12 | 2 Jan | 16 Mar | ||||
| 2. | Humpback whale | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (19 Jan) | 3 | 1 | 19 Jan | 19 Jan | ||||
| Species | Jan | Feb | Mar | Apr | May | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 8355 | 13007 | 19738 | 24945 | 10433 | 76478 | 49459 | 27019 | 100 | 31 | ||||||||
| Observation hours | 9:10 | 17:35 | 16:30 | 16:05 | 4:00 | 63:20 | ||||||||||||
This page is created on 2024/05/05 13:15:41 and will be cached for 2 minutes.
