Also present
Totals Bertusnol, Texel 2022
| Species | Mar | Apr | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 0 | 2 | 2 | 0 | 2 | 2 (16 Apr) | 25 | 1 | 16 Apr | 16 Apr | ||||
| 2. | Canada Goose | 1 | 2 | 3 | 0 | 3 | 2 (17 Apr) | 50 | 2 | 19 Mar | 17 Apr | ||||
| 3. | Canada X Greylag Goose | 1 | 0 | 1 | 0 | 1 | 1 (19 Mar) | 25 | 1 | 19 Mar | 19 Mar | ||||
| 4. | Barnacle Goose | 0 | 1 | 1 | 1 | 0 | 1 (16 Apr) | 25 | 1 | 16 Apr | 16 Apr | ||||
| 5. | Greylag Goose | 7 | 15 | 22 | 15 | 7 | 14 (16 Apr) | 75 | 3 | 19 Mar | 17 Apr | ||||
| 6. | Shelduck | 0 | 6 | 6 | 0 | 6 | 6 (16 Apr) | 25 | 1 | 16 Apr | 16 Apr | ||||
| 7. | Garganey | 0 | 7 | 7 | 0 | 7 | 7 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 8. | Shoveler | 2 | 79 | 81 | 0 | 81 | 74 (12 Apr) | 100 | 4 | 19 Mar | 17 Apr | ||||
| 9. | Gadwall | 0 | 10 | 10 | 10 | 0 | 10 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 10. | Wigeon | 1 | 3 | 4 | 4 | 0 | 3 (16 Apr) | 50 | 2 | 19 Mar | 16 Apr | ||||
| 11. | Pintail | 0 | 20 | 20 | 0 | 20 | 19 (12 Apr) | 50 | 2 | 12 Apr | 17 Apr | ||||
| 12. | Teal | 0 | 44 | 44 | 5 | 39 | 34 (16 Apr) | 75 | 3 | 12 Apr | 17 Apr | ||||
| 13. | Eider | 99 | 189 | 288 | 263 | 25 | 111 (17 Apr) | 100 | 4 | 19 Mar | 17 Apr | ||||
| 14. | Common Scoter | 251 | 492 | 743 | 609 | 134 | 251 (19 Mar) | 100 | 4 | 19 Mar | 17 Apr | ||||
| 15. | Red-breasted Merganser | 5 | 5 | 10 | 8 | 2 | 5 (19 Mar) | 50 | 2 | 19 Mar | 17 Apr | ||||
| 16. | Feral Pigeon | 0 | 8 | 8 | 2 | 6 | 4 (12 Apr) | 50 | 2 | 12 Apr | 17 Apr | ||||
| 17. | Stock Dove | 14 | 3 | 17 | 0 | 17 | 14 (19 Mar) | 50 | 2 | 19 Mar | 12 Apr | ||||
| 18. | Woodpigeon | 7 | 111 | 118 | 0 | 118 | 89 (12 Apr) | 75 | 3 | 19 Mar | 17 Apr | ||||
| 19. | Collared Dove | 0 | 5 | 5 | 0 | 5 | 5 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 20. | Great Crested Grebe | 1 | 2 | 3 | 2 | 1 | 2 (16 Apr) | 50 | 2 | 19 Mar | 16 Apr | ||||
| 21. | Oystercatcher | 1 | 0 | 1 | 0 | 1 | 1 (19 Mar) | 25 | 1 | 19 Mar | 19 Mar | ||||
| 22. | Golden Plover | 0 | 1 | 1 | 0 | 1 | 1 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 23. | Ringed Plover | 0 | 1 | 1 | 0 | 1 | 1 (16 Apr) | 25 | 1 | 16 Apr | 16 Apr | ||||
| 24. | Lapwing | 0 | 2 | 2 | 0 | 2 | 1 (12 Apr) | 50 | 2 | 12 Apr | 17 Apr | ||||
| 25. | Whimbrel | 0 | 1 | 1 | 0 | 1 | 1 (16 Apr) | 25 | 1 | 16 Apr | 16 Apr | ||||
| 26. | Curlew | 6 | 0 | 6 | 4 | 2 | 6 (19 Mar) | 25 | 1 | 19 Mar | 19 Mar | ||||
| 27. | Snipe | 0 | 1 | 1 | 0 | 1 | 1 (12 Apr) | 25 | 1 | 12 Apr | 12 Apr | ||||
| 28. | Green Sandpiper | 0 | 3 | 3 | 0 | 3 | 2 (17 Apr) | 50 | 2 | 12 Apr | 17 Apr | ||||
| 29. | Common Tern | 0 | 15 | 15 | 0 | 15 | 15 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 30. | Little Gull | 0 | 133 | 133 | 1 | 132 | 112 (16 Apr) | 75 | 3 | 12 Apr | 17 Apr | ||||
| Species | Mar | Apr | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Black-headed Gull | 4 | 88 | 92 | 0 | 92 | 88 (17 Apr) | 50 | 2 | 19 Mar | 17 Apr | ||||
| 32. | Common Gull | 20 | 0 | 20 | 0 | 20 | 20 (19 Mar) | 25 | 1 | 19 Mar | 19 Mar | ||||
| 33. | Herring Gull | 7 | 0 | 7 | 0 | 7 | 7 (19 Mar) | 25 | 1 | 19 Mar | 19 Mar | ||||
| 34. | Great Black-backed Gull | 2 | 1 | 3 | 1 | 2 | 2 (19 Mar) | 50 | 2 | 19 Mar | 17 Apr | ||||
| 35. | Lesser Black-backed Gull | 339 | 51 | 390 | 0 | 390 | 339 (19 Mar) | 50 | 2 | 19 Mar | 17 Apr | ||||
| 36. | Razorbill/Guillemot | 1 | 0 | 1 | 1 | 0 | 1 (19 Mar) | 25 | 1 | 19 Mar | 19 Mar | ||||
| 37. | Red-throated Diver | 2 | 10 | 12 | 3 | 9 | 10 (17 Apr) | 50 | 2 | 19 Mar | 17 Apr | ||||
| 38. | Black-throated Diver | 0 | 2 | 2 | 0 | 2 | 2 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 39. | diver sp. | 0 | 1 | 1 | 0 | 1 | 1 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 40. | Fulmar | 0 | 1 | 1 | 1 | 0 | 1 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 41. | White Stork | 0 | 2 | 2 | 2 | 0 | 2 (12 Apr) | 25 | 1 | 12 Apr | 12 Apr | ||||
| 42. | Gannet | 7 | 5 | 12 | 6 | 6 | 7 (19 Mar) | 75 | 3 | 19 Mar | 17 Apr | ||||
| 43. | Cormorant | 21 | 5 | 26 | 20 | 6 | 21 (19 Mar) | 50 | 2 | 19 Mar | 16 Apr | ||||
| 44. | Spoonbill | 0 | 8 | 8 | 0 | 8 | 8 (12 Apr) | 25 | 1 | 12 Apr | 12 Apr | ||||
| 45. | Cattle Egret | 0 | 1 | 1 | 0 | 1 | 1 (12 Apr) | 25 | 1 | 12 Apr | 12 Apr | ||||
| 46. | Great White Egret | 0 | 4 | 4 | 2 | 2 | 3 (12 Apr) | 50 | 2 | 12 Apr | 16 Apr | ||||
| 47. | Grey Heron | 3 | 8 | 11 | 0 | 11 | 6 (17 Apr) | 75 | 3 | 19 Mar | 17 Apr | ||||
| 48. | Sparrowhawk | 0 | 1 | 1 | 1 | 0 | 1 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 49. | Goshawk | 0 | 1 | 1 | 1 | 0 | 1 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 50. | Marsh Harrier | 1 | 6 | 7 | 0 | 7 | 4 (12 Apr) | 100 | 4 | 19 Mar | 17 Apr | ||||
| 51. | Common Buzzard | 0 | 2 | 2 | 0 | 2 | 1 (12 Apr) | 50 | 2 | 12 Apr | 17 Apr | ||||
| 52. | Short-eared Owl | 0 | 1 | 1 | 0 | 1 | 1 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 53. | Great Spotted Woodpecker | 0 | 1 | 1 | 0 | 1 | 1 (12 Apr) | 25 | 1 | 12 Apr | 12 Apr | ||||
| 54. | Kestrel | 0 | 5 | 5 | 0 | 5 | 2 (12 Apr) | 75 | 3 | 12 Apr | 17 Apr | ||||
| 55. | Magpie | 4 | 38 | 42 | 10 | 32 | 36 (17 Apr) | 75 | 3 | 19 Mar | 17 Apr | ||||
| 56. | Rook | 0 | 1 | 1 | 0 | 1 | 1 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 57. | Carrion Crow | 0 | 37 | 37 | 1 | 36 | 30 (17 Apr) | 50 | 2 | 12 Apr | 17 Apr | ||||
| 58. | Great Tit | 2 | 0 | 2 | 0 | 2 | 2 (19 Mar) | 25 | 1 | 19 Mar | 19 Mar | ||||
| 59. | Wood Lark | 1 | 4 | 5 | 0 | 5 | 3 (16 Apr) | 75 | 3 | 19 Mar | 17 Apr | ||||
| 60. | Skylark | 2 | 5 | 7 | 1 | 6 | 4 (12 Apr) | 75 | 3 | 19 Mar | 17 Apr | ||||
| Species | Mar | Apr | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Sand Martin | 0 | 22 | 22 | 0 | 22 | 11 (17 Apr) | 75 | 3 | 12 Apr | 17 Apr | ||||
| 62. | Swallow | 0 | 10 | 10 | 0 | 10 | 5 (17 Apr) | 75 | 3 | 12 Apr | 17 Apr | ||||
| 63. | House Martin | 0 | 1 | 1 | 0 | 1 | 1 (16 Apr) | 25 | 1 | 16 Apr | 16 Apr | ||||
| 64. | Starling | 110 | 56 | 166 | 0 | 166 | 110 (19 Mar) | 100 | 4 | 19 Mar | 17 Apr | ||||
| 65. | Song Thrush | 0 | 20 | 20 | 2 | 18 | 10 (12 Apr) | 75 | 3 | 12 Apr | 17 Apr | ||||
| 66. | Mistle Thrush | 2 | 9 | 11 | 0 | 11 | 9 (12 Apr) | 50 | 2 | 19 Mar | 12 Apr | ||||
| 67. | Redwing | 37 | 7 | 44 | 0 | 44 | 37 (19 Mar) | 75 | 3 | 19 Mar | 17 Apr | ||||
| 68. | Fieldfare | 0 | 2 | 2 | 1 | 1 | 1 (12 Apr) | 50 | 2 | 12 Apr | 16 Apr | ||||
| 69. | Ring Ouzel | 0 | 14 | 14 | 1 | 13 | 13 (12 Apr) | 50 | 2 | 12 Apr | 17 Apr | ||||
| 70. | Wheatear | 0 | 1 | 1 | 0 | 1 | 1 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 71. | Blue-headed Wagtail | 0 | 4 | 4 | 1 | 3 | 3 (12 Apr) | 50 | 2 | 12 Apr | 17 Apr | ||||
| 72. | Yellow wagtail sp. | 0 | 23 | 23 | 0 | 23 | 13 (12 Apr) | 75 | 3 | 12 Apr | 17 Apr | ||||
| 73. | White Wagtail | 2 | 2 | 4 | 0 | 4 | 2 (19 Mar) | 75 | 3 | 19 Mar | 17 Apr | ||||
| 74. | alba wagtail sp. | 7 | 48 | 55 | 10 | 45 | 21 (12 Apr) | 100 | 4 | 19 Mar | 17 Apr | ||||
| 75. | Pied Wagtail | 1 | 1 | 2 | 0 | 2 | 1 (19 Mar) | 50 | 2 | 19 Mar | 12 Apr | ||||
| 76. | Meadow Pipit | 13 | 301 | 314 | 6 | 308 | 171 (12 Apr) | 100 | 4 | 19 Mar | 17 Apr | ||||
| 77. | Tree Pipit | 0 | 33 | 33 | 3 | 30 | 28 (12 Apr) | 75 | 3 | 12 Apr | 17 Apr | ||||
| 78. | Chaffinch | 5 | 4 | 9 | 0 | 9 | 5 (19 Mar) | 75 | 3 | 19 Mar | 17 Apr | ||||
| 79. | Brambling | 0 | 4 | 4 | 0 | 4 | 3 (12 Apr) | 50 | 2 | 12 Apr | 17 Apr | ||||
| 80. | Greenfinch | 2 | 1 | 3 | 1 | 2 | 2 (19 Mar) | 50 | 2 | 19 Mar | 12 Apr | ||||
| 81. | Linnet | 6 | 129 | 135 | 0 | 135 | 87 (12 Apr) | 75 | 3 | 19 Mar | 17 Apr | ||||
| 82. | Lesser Redpoll | 0 | 3 | 3 | 0 | 3 | 3 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| 83. | Goldfinch | 2 | 35 | 37 | 4 | 33 | 21 (12 Apr) | 100 | 4 | 19 Mar | 17 Apr | ||||
| 84. | Siskin | 2 | 4 | 6 | 1 | 5 | 4 (17 Apr) | 50 | 2 | 19 Mar | 17 Apr | ||||
| 85. | Snow Bunting | 5 | 0 | 5 | 0 | 5 | 5 (19 Mar) | 25 | 1 | 19 Mar | 19 Mar | ||||
| 86. | Reed Bunting | 0 | 1 | 1 | 0 | 1 | 1 (12 Apr) | 25 | 1 | 12 Apr | 12 Apr | ||||
| Other species | |||||||||||||||
| Species | Mar | Apr | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Harbour Porpoise | 0 | 3 | 3 | 0 | 3 | 3 (17 Apr) | 25 | 1 | 17 Apr | 17 Apr | ||||
| Species | Mar | Apr | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 1006 | 2188 | 3194 | 1004 | 2190 | 100 | 4 | ||||||||
| Observation hours | 1:36 | 9:54 | 11:30 | ||||||||||||
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