Totals Berkheide (Katwijk) 2026
| Year | |
| Period | |
| count-field | |
| Also present | |
| Species | Jan | Feb | Mar | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Canada Goose | 0 | 10 | 12 | 22 | 13 | 9 | 12 (1 Mar) | 22 | 2 | 7 Feb | 1 Mar | ||||
| 2. | Barnacle Goose | 103 | 1375 | 159 | 1637 | 4 | 1633 | 578 (7 Feb) | 78 | 7 | 11 Jan | 3 Mar | ||||
| 3. | Greylag Goose | 28 | 123 | 88 | 239 | 112 | 127 | 63 (1 Mar) | 89 | 8 | 14 Jan | 3 Mar | ||||
| 4. | goose sp. | 0 | 140 | 8 | 148 | 8 | 140 | 140 (7 Feb) | 22 | 2 | 7 Feb | 1 Mar | ||||
| 5. | Tundra Bean Goose | 0 | 0 | 12 | 12 | 0 | 12 | 12 (1 Mar) | 11 | 1 | 1 Mar | 1 Mar | ||||
| 6. | Eurasian White-fronted Goose | 11 | 796 | 0 | 807 | 0 | 807 | 343 (7 Feb) | 56 | 5 | 14 Jan | 25 Feb | ||||
| 7. | Mute Swan | 0 | 5 | 0 | 5 | 0 | 5 | 3 (25 Feb) | 22 | 2 | 15 Feb | 25 Feb | ||||
| 8. | Bewick's Swan | 3 | 0 | 0 | 3 | 3 | 0 | 3 (11 Jan) | 11 | 1 | 11 Jan | 11 Jan | ||||
| 9. | Whooper Swan | 3 | 0 | 0 | 3 | 3 | 0 | 3 (11 Jan) | 11 | 1 | 11 Jan | 11 Jan | ||||
| 10. | Egyptian Goose | 15 | 18 | 28 | 61 | 36 | 25 | 28 (1 Mar) | 56 | 5 | 11 Jan | 1 Mar | ||||
| 11. | Shelduck | 0 | 12 | 7 | 19 | 3 | 16 | 11 (25 Feb) | 33 | 3 | 7 Feb | 3 Mar | ||||
| 12. | Shoveler | 0 | 0 | 1 | 1 | 0 | 1 | 1 (3 Mar) | 11 | 1 | 3 Mar | 3 Mar | ||||
| 13. | Gadwall | 4 | 0 | 0 | 4 | 4 | 0 | 4 (11 Jan) | 11 | 1 | 11 Jan | 11 Jan | ||||
| 14. | Wigeon | 277 | 8 | 77 | 362 | 180 | 182 | 270 (14 Jan) | 56 | 5 | 11 Jan | 3 Mar | ||||
| 15. | Teal | 0 | 0 | 2 | 2 | 0 | 2 | 2 (3 Mar) | 11 | 1 | 3 Mar | 3 Mar | ||||
| 16. | Eider | 0 | 0 | 25 | 25 | 22 | 3 | 18 (3 Mar) | 22 | 2 | 1 Mar | 3 Mar | ||||
| 17. | Common Scoter | 3 | 3 | 0 | 6 | 1 | 5 | 3 (7 Feb) | 33 | 3 | 11 Jan | 7 Feb | ||||
| 18. | Smew | 0 | 1 | 0 | 1 | 0 | 1 | 1 (8 Feb) | 11 | 1 | 8 Feb | 8 Feb | ||||
| 19. | Goosander | 8 | 15 | 2 | 25 | 10 | 15 | 8 (11 Jan) | 56 | 5 | 11 Jan | 1 Mar | ||||
| 20. | Red-breasted Merganser | 2 | 0 | 4 | 6 | 4 | 2 | 2 (14 Jan) | 33 | 3 | 14 Jan | 3 Mar | ||||
| 21. | Stock Dove | 8 | 45 | 4 | 57 | 9 | 48 | 42 (25 Feb) | 67 | 6 | 11 Jan | 3 Mar | ||||
| 22. | Woodpigeon | 0 | 383 | 99 | 482 | 38 | 444 | 339 (25 Feb) | 67 | 6 | 7 Feb | 3 Mar | ||||
| 23. | Great Crested Grebe | 4 | 0 | 0 | 4 | 4 | 0 | 4 (11 Jan) | 11 | 1 | 11 Jan | 11 Jan | ||||
| 24. | Oystercatcher | 1 | 6 | 0 | 7 | 0 | 7 | 6 (25 Feb) | 22 | 2 | 14 Jan | 25 Feb | ||||
| 25. | Golden Plover | 2 | 0 | 0 | 2 | 2 | 0 | 2 (11 Jan) | 11 | 1 | 11 Jan | 11 Jan | ||||
| 26. | Ringed Plover | 2 | 0 | 0 | 2 | 0 | 2 | 2 (11 Jan) | 11 | 1 | 11 Jan | 11 Jan | ||||
| 27. | Lapwing | 25 | 1 | 4 | 30 | 28 | 2 | 25 (11 Jan) | 33 | 3 | 11 Jan | 1 Mar | ||||
| 28. | Snipe | 1 | 0 | 0 | 1 | 0 | 1 | 1 (11 Jan) | 11 | 1 | 11 Jan | 11 Jan | ||||
| 29. | Redshank | 0 | 1 | 0 | 1 | 0 | 1 | 1 (25 Feb) | 11 | 1 | 25 Feb | 25 Feb | ||||
| 30. | wader sp. | 30 | 0 | 0 | 30 | 0 | 30 | 30 (14 Jan) | 11 | 1 | 14 Jan | 14 Jan | ||||
| Species | Jan | Feb | Mar | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Little Gull | 0 | 1 | 0 | 1 | 0 | 1 | 1 (7 Feb) | 11 | 1 | 7 Feb | 7 Feb | ||||
| 32. | Kittiwake | 1 | 0 | 0 | 1 | 0 | 1 | 1 (11 Jan) | 11 | 1 | 11 Jan | 11 Jan | ||||
| 33. | Black-headed Gull | 38 | 53 | 32 | 123 | 38 | 85 | 53 (7 Feb) | 44 | 4 | 11 Jan | 3 Mar | ||||
| 34. | Common Gull | 44 | 20 | 17 | 81 | 44 | 37 | 44 (11 Jan) | 56 | 5 | 11 Jan | 3 Mar | ||||
| 35. | Herring Gull | 6 | 49 | 55 | 110 | 23 | 87 | 49 (7 Feb) | 44 | 4 | 11 Jan | 3 Mar | ||||
| 36. | Great Black-backed Gull | 0 | 3 | 3 | 6 | 3 | 3 | 2 (7 Feb) | 44 | 4 | 7 Feb | 3 Mar | ||||
| 37. | Lesser Black-backed Gull | 0 | 28 | 176 | 204 | 10 | 194 | 159 (3 Mar) | 44 | 4 | 7 Feb | 3 Mar | ||||
| 38. | Razorbill/Guillemot | 3 | 14 | 0 | 17 | 15 | 2 | 14 (7 Feb) | 22 | 2 | 14 Jan | 7 Feb | ||||
| 39. | Guillemot | 1 | 0 | 0 | 1 | 1 | 0 | 1 (14 Jan) | 11 | 1 | 14 Jan | 14 Jan | ||||
| 40. | Red-throated Diver | 904 | 46 | 9 | 959 | 934 | 25 | 900 (11 Jan) | 89 | 8 | 11 Jan | 3 Mar | ||||
| 41. | White Stork | 0 | 0 | 2 | 2 | 0 | 2 | 2 (1 Mar) | 11 | 1 | 1 Mar | 1 Mar | ||||
| 42. | Gannet | 59 | 16 | 20 | 95 | 70 | 25 | 41 (11 Jan) | 67 | 6 | 11 Jan | 1 Mar | ||||
| 43. | Cormorant | 424 | 127 | 376 | 927 | 291 | 636 | 353 (1 Mar) | 89 | 8 | 11 Jan | 3 Mar | ||||
| 44. | Spoonbill | 0 | 2 | 2 | 4 | 0 | 4 | 2 (25 Feb) | 22 | 2 | 25 Feb | 1 Mar | ||||
| 45. | Grey Heron | 2 | 1 | 4 | 7 | 2 | 5 | 2 (11 Jan) | 44 | 4 | 11 Jan | 3 Mar | ||||
| 46. | Sparrowhawk | 2 | 1 | 2 | 5 | 1 | 4 | 2 (14 Jan) | 33 | 3 | 14 Jan | 1 Mar | ||||
| 47. | Common Buzzard | 0 | 0 | 1 | 1 | 0 | 1 | 1 (1 Mar) | 11 | 1 | 1 Mar | 1 Mar | ||||
| 48. | Great Spotted Woodpecker | 0 | 0 | 2 | 2 | 0 | 2 | 2 (1 Mar) | 11 | 1 | 1 Mar | 1 Mar | ||||
| 49. | Peregrine | 0 | 1 | 0 | 1 | 0 | 1 | 1 (25 Feb) | 11 | 1 | 25 Feb | 25 Feb | ||||
| 50. | Magpie | 0 | 0 | 2 | 2 | 0 | 2 | 2 (3 Mar) | 11 | 1 | 3 Mar | 3 Mar | ||||
| 51. | Jackdaw | 1 | 19 | 45 | 65 | 26 | 39 | 38 (3 Mar) | 56 | 5 | 11 Jan | 3 Mar | ||||
| 52. | Rook | 0 | 1 | 0 | 1 | 0 | 1 | 1 (25 Feb) | 11 | 1 | 25 Feb | 25 Feb | ||||
| 53. | Carrion Crow | 3 | 24 | 4 | 31 | 3 | 28 | 21 (25 Feb) | 56 | 5 | 11 Jan | 3 Mar | ||||
| 54. | Blue Tit | 7 | 2 | 4 | 13 | 3 | 10 | 4 (14 Jan) | 44 | 4 | 11 Jan | 1 Mar | ||||
| 55. | Great Tit | 0 | 0 | 5 | 5 | 4 | 1 | 5 (1 Mar) | 11 | 1 | 1 Mar | 1 Mar | ||||
| 56. | Wood Lark | 0 | 8 | 0 | 8 | 1 | 7 | 7 (7 Feb) | 22 | 2 | 7 Feb | 25 Feb | ||||
| 57. | Skylark | 0 | 29 | 2 | 31 | 2 | 29 | 23 (25 Feb) | 44 | 4 | 7 Feb | 3 Mar | ||||
| 58. | Long-tailed Tit | 0 | 0 | 1 | 1 | 0 | 1 | 1 (3 Mar) | 11 | 1 | 3 Mar | 3 Mar | ||||
| 59. | Starling | 60 | 85 | 24 | 169 | 128 | 41 | 55 (11 Jan) | 100 | 9 | 11 Jan | 3 Mar | ||||
| 60. | Song Thrush | 0 | 1 | 2 | 3 | 3 | 0 | 2 (3 Mar) | 22 | 2 | 8 Feb | 3 Mar | ||||
| Species | Jan | Feb | Mar | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Mistle Thrush | 0 | 4 | 3 | 7 | 0 | 7 | 3 (8 Feb) | 33 | 3 | 8 Feb | 1 Mar | ||||
| 62. | Redwing | 557 | 0 | 0 | 557 | 557 | 0 | 557 (11 Jan) | 11 | 1 | 11 Jan | 11 Jan | ||||
| 63. | Fieldfare | 2 | 0 | 0 | 2 | 0 | 2 | 2 (11 Jan) | 11 | 1 | 11 Jan | 11 Jan | ||||
| 64. | Dunnock | 0 | 1 | 0 | 1 | 0 | 1 | 1 (7 Feb) | 11 | 1 | 7 Feb | 7 Feb | ||||
| 65. | White Wagtail | 0 | 0 | 8 | 8 | 4 | 4 | 5 (3 Mar) | 22 | 2 | 1 Mar | 3 Mar | ||||
| 66. | alba wagtail sp. | 0 | 9 | 7 | 16 | 4 | 12 | 9 (25 Feb) | 22 | 2 | 25 Feb | 1 Mar | ||||
| 67. | Meadow Pipit | 39 | 71 | 36 | 146 | 20 | 126 | 46 (25 Feb) | 67 | 6 | 11 Jan | 3 Mar | ||||
| 68. | Chaffinch | 27 | 80 | 113 | 220 | 55 | 165 | 90 (3 Mar) | 100 | 9 | 11 Jan | 3 Mar | ||||
| 69. | Brambling | 1 | 0 | 1 | 2 | 0 | 2 | 1 (14 Jan) | 22 | 2 | 14 Jan | 1 Mar | ||||
| 70. | Hawfinch | 0 | 1 | 0 | 1 | 0 | 1 | 1 (15 Feb) | 11 | 1 | 15 Feb | 15 Feb | ||||
| 71. | Greenfinch | 3 | 2 | 5 | 10 | 5 | 5 | 4 (1 Mar) | 56 | 5 | 11 Jan | 3 Mar | ||||
| 72. | Linnet | 0 | 11 | 6 | 17 | 0 | 17 | 11 (25 Feb) | 33 | 3 | 25 Feb | 3 Mar | ||||
| 73. | Crossbill | 0 | 0 | 5 | 5 | 1 | 4 | 3 (3 Mar) | 22 | 2 | 1 Mar | 3 Mar | ||||
| 74. | Goldfinch | 4 | 8 | 7 | 19 | 1 | 18 | 4 (7 Feb) | 78 | 7 | 11 Jan | 3 Mar | ||||
| 75. | Siskin | 0 | 12 | 13 | 25 | 0 | 25 | 12 (3 Mar) | 44 | 4 | 7 Feb | 3 Mar | ||||
| 76. | Reed Bunting | 2 | 34 | 2 | 38 | 3 | 35 | 34 (25 Feb) | 44 | 4 | 11 Jan | 3 Mar | ||||
| Species | Jan | Feb | Mar | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 2720 | 3706 | 1528 | 7954 | 2736 | 5218 | 100 | 9 | ||||||||
| Observation hours | 4:55 | 9:12 | 6:55 | 21:02 | ||||||||||||
This page is created on 2026/03/03 12:52:00 and will be cached for 2 minutes.
