Also present
Totals Nijkerkerbrug 2011
| Species | Mar | Apr | Totals | NE | SW | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Canada Goose | 1 | 2 | 3 | 3 | 0 | 2 ( 9 Apr) | 20 | 2 | 26 Mar | 9 Apr | ||||
| 2. | Barnacle Goose | 56 | 42 | 98 | 87 | 11 | 56 (26 Mar) | 40 | 4 | 26 Mar | 15 Apr | ||||
| 3. | Greylag Goose | 13 | 30 | 43 | 43 | 0 | 21 ( 9 Apr) | 60 | 6 | 12 Mar | 15 Apr | ||||
| 4. | goose sp. | 90 | 0 | 90 | 90 | 0 | 90 (26 Mar) | 10 | 1 | 26 Mar | 26 Mar | ||||
| 5. | Eurasian White-fronted Goose | 575 | 2 | 577 | 577 | 0 | 438 (26 Mar) | 40 | 4 | 12 Mar | 2 Apr | ||||
| 6. | Mute Swan | 4 | 8 | 12 | 12 | 0 | 6 ( 2 Apr) | 30 | 3 | 25 Mar | 9 Apr | ||||
| 7. | Egyptian Goose | 0 | 15 | 15 | 15 | 0 | 10 (15 Apr) | 20 | 2 | 2 Apr | 15 Apr | ||||
| 8. | Shelduck | 6 | 16 | 22 | 6 | 16 | 10 ( 3 Apr) | 50 | 5 | 19 Mar | 15 Apr | ||||
| 9. | Shoveler | 7 | 64 | 71 | 70 | 1 | 59 (15 Apr) | 50 | 5 | 12 Mar | 15 Apr | ||||
| 10. | Gadwall | 0 | 1 | 1 | 1 | 0 | 1 (15 Apr) | 10 | 1 | 15 Apr | 15 Apr | ||||
| 11. | Wigeon | 7410 | 1181 | 8591 | 8469 | 122 | 3848 (26 Mar) | 80 | 8 | 12 Mar | 15 Apr | ||||
| 12. | Mallard | 4 | 6 | 10 | 10 | 0 | 5 ( 2 Apr) | 30 | 3 | 19 Mar | 9 Apr | ||||
| 13. | Pintail | 10 | 4 | 14 | 14 | 0 | 10 (26 Mar) | 20 | 2 | 26 Mar | 9 Apr | ||||
| 14. | Pochard | 1 | 0 | 1 | 1 | 0 | 1 (12 Mar) | 10 | 1 | 12 Mar | 12 Mar | ||||
| 15. | Tufted Duck | 691 | 106 | 797 | 787 | 10 | 289 (12 Mar) | 70 | 7 | 12 Mar | 15 Apr | ||||
| 16. | Goldeneye | 11 | 11 | 22 | 22 | 0 | 10 ( 9 Apr) | 40 | 4 | 19 Mar | 9 Apr | ||||
| 17. | Smew | 3 | 0 | 3 | 3 | 0 | 3 (19 Mar) | 10 | 1 | 19 Mar | 19 Mar | ||||
| 18. | Goosander | 7 | 0 | 7 | 6 | 1 | 6 (12 Mar) | 20 | 2 | 12 Mar | 24 Mar | ||||
| 19. | Stock Dove | 68 | 38 | 106 | 92 | 14 | 26 (25 Mar) | 80 | 8 | 12 Mar | 15 Apr | ||||
| 20. | Woodpigeon | 316 | 115 | 431 | 373 | 58 | 176 (26 Mar) | 100 | 10 | 12 Mar | 15 Apr | ||||
| 21. | Collared Dove | 0 | 2 | 2 | 1 | 1 | 1 ( 2 Apr) | 20 | 2 | 2 Apr | 9 Apr | ||||
| 22. | Oystercatcher | 8 | 7 | 15 | 11 | 4 | 3 (24 Mar) | 80 | 8 | 12 Mar | 15 Apr | ||||
| 23. | Avocet | 0 | 2 | 2 | 2 | 0 | 2 ( 9 Apr) | 10 | 1 | 9 Apr | 9 Apr | ||||
| 24. | Lapwing | 772 | 29 | 801 | 671 | 130 | 425 (19 Mar) | 80 | 8 | 12 Mar | 15 Apr | ||||
| 25. | Golden Plover | 1140 | 134 | 1274 | 1227 | 47 | 520 (27 Mar) | 80 | 8 | 12 Mar | 9 Apr | ||||
| 26. | Ringed Plover | 2 | 0 | 2 | 2 | 0 | 2 (12 Mar) | 10 | 1 | 12 Mar | 12 Mar | ||||
| 27. | Little Ringed Plover | 0 | 1 | 1 | 1 | 0 | 1 (15 Apr) | 10 | 1 | 15 Apr | 15 Apr | ||||
| 28. | Whimbrel | 0 | 1 | 1 | 1 | 0 | 1 (15 Apr) | 10 | 1 | 15 Apr | 15 Apr | ||||
| 29. | Curlew | 13 | 5 | 18 | 18 | 0 | 7 (26 Mar) | 50 | 5 | 12 Mar | 9 Apr | ||||
| 30. | Black-tailed Godwit | 1155 | 258 | 1413 | 1406 | 7 | 674 (24 Mar) | 90 | 9 | 12 Mar | 15 Apr | ||||
| Species | Mar | Apr | Totals | NE | SW | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Ruff | 1 | 0 | 1 | 1 | 0 | 1 (26 Mar) | 10 | 1 | 26 Mar | 26 Mar | ||||
| 32. | wader sp. | 0 | 3 | 3 | 3 | 0 | 3 ( 2 Apr) | 10 | 1 | 2 Apr | 2 Apr | ||||
| 33. | Dunlin | 1 | 0 | 1 | 1 | 0 | 1 (12 Mar) | 10 | 1 | 12 Mar | 12 Mar | ||||
| 34. | Woodcock | 0 | 1 | 1 | 1 | 0 | 1 ( 2 Apr) | 10 | 1 | 2 Apr | 2 Apr | ||||
| 35. | Snipe | 13 | 9 | 22 | 22 | 0 | 9 ( 2 Apr) | 40 | 4 | 12 Mar | 2 Apr | ||||
| 36. | Green Sandpiper | 0 | 3 | 3 | 3 | 0 | 3 ( 2 Apr) | 10 | 1 | 2 Apr | 2 Apr | ||||
| 37. | Redshank | 48 | 1 | 49 | 48 | 1 | 33 (26 Mar) | 60 | 6 | 12 Mar | 9 Apr | ||||
| 38. | Greenshank | 0 | 1 | 1 | 1 | 0 | 1 ( 2 Apr) | 10 | 1 | 2 Apr | 2 Apr | ||||
| 39. | Black-headed Gull | 1515 | 576 | 2091 | 2061 | 30 | 640 (19 Mar) | 80 | 8 | 12 Mar | 15 Apr | ||||
| 40. | Common Gull | 225 | 100 | 325 | 325 | 0 | 124 (19 Mar) | 90 | 9 | 12 Mar | 15 Apr | ||||
| 41. | Great Black-backed Gull | 1 | 3 | 4 | 4 | 0 | 1 (12 Mar) | 40 | 4 | 12 Mar | 15 Apr | ||||
| 42. | Herring Gull | 19 | 19 | 38 | 37 | 1 | 8 ( 2 Apr) | 80 | 8 | 12 Mar | 15 Apr | ||||
| 43. | Yellow-legged Gull | 0 | 1 | 1 | 1 | 0 | 1 (15 Apr) | 10 | 1 | 15 Apr | 15 Apr | ||||
| 44. | Lesser Black-backed Gull | 8 | 11 | 19 | 18 | 1 | 5 (26 Mar) | 50 | 5 | 19 Mar | 15 Apr | ||||
| 45. | Laridae sp. | 0 | 1 | 1 | 1 | 0 | 1 (15 Apr) | 10 | 1 | 15 Apr | 15 Apr | ||||
| 46. | Common Tern | 0 | 20 | 20 | 18 | 2 | 20 (15 Apr) | 10 | 1 | 15 Apr | 15 Apr | ||||
| 47. | White Stork | 5 | 6 | 11 | 10 | 1 | 3 ( 2 Apr) | 50 | 5 | 24 Mar | 15 Apr | ||||
| 48. | Cormorant | 118 | 99 | 217 | 214 | 3 | 73 (19 Mar) | 80 | 8 | 12 Mar | 15 Apr | ||||
| 49. | Spoonbill | 1 | 0 | 1 | 1 | 0 | 1 (26 Mar) | 10 | 1 | 26 Mar | 26 Mar | ||||
| 50. | Grey Heron | 25 | 29 | 54 | 44 | 10 | 23 ( 2 Apr) | 90 | 9 | 12 Mar | 15 Apr | ||||
| 51. | Great White Egret | 5 | 0 | 5 | 5 | 0 | 5 (12 Mar) | 10 | 1 | 12 Mar | 12 Mar | ||||
| 52. | Sparrowhawk | 11 | 10 | 21 | 21 | 0 | 5 (19 Mar) | 80 | 8 | 12 Mar | 15 Apr | ||||
| 53. | Goshawk | 1 | 0 | 1 | 1 | 0 | 1 (19 Mar) | 10 | 1 | 19 Mar | 19 Mar | ||||
| 54. | Marsh Harrier | 2 | 3 | 5 | 5 | 0 | 2 (26 Mar) | 30 | 3 | 26 Mar | 3 Apr | ||||
| 55. | Hen Harrier | 0 | 1 | 1 | 1 | 0 | 1 (15 Apr) | 10 | 1 | 15 Apr | 15 Apr | ||||
| 56. | Common Buzzard | 44 | 23 | 67 | 67 | 0 | 11 (12 Mar) | 100 | 10 | 12 Mar | 15 Apr | ||||
| 57. | Lesser Spotted Woodpecker | 1 | 0 | 1 | 1 | 0 | 1 (19 Mar) | 10 | 1 | 19 Mar | 19 Mar | ||||
| 58. | Great Spotted Woodpecker | 3 | 3 | 6 | 4 | 2 | 3 ( 2 Apr) | 30 | 3 | 19 Mar | 2 Apr | ||||
| 59. | Kestrel | 1 | 0 | 1 | 1 | 0 | 1 (19 Mar) | 10 | 1 | 19 Mar | 19 Mar | ||||
| 60. | Jay | 9 | 12 | 21 | 16 | 5 | 5 (26 Mar) | 60 | 6 | 19 Mar | 15 Apr | ||||
| Species | Mar | Apr | Totals | NE | SW | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Magpie | 4 | 4 | 8 | 6 | 2 | 4 ( 2 Apr) | 30 | 3 | 12 Mar | 2 Apr | ||||
| 62. | Jackdaw | 107 | 22 | 129 | 110 | 19 | 52 (12 Mar) | 80 | 8 | 12 Mar | 15 Apr | ||||
| 63. | Carrion Crow | 7 | 17 | 24 | 23 | 1 | 7 ( 2 Apr) | 70 | 7 | 12 Mar | 15 Apr | ||||
| 64. | Blue Tit | 8 | 2 | 10 | 9 | 1 | 5 (12 Mar) | 40 | 4 | 12 Mar | 9 Apr | ||||
| 65. | Great Tit | 3 | 2 | 5 | 4 | 1 | 1 (19 Mar) | 50 | 5 | 19 Mar | 3 Apr | ||||
| 66. | Skylark | 14 | 4 | 18 | 18 | 0 | 14 (12 Mar) | 20 | 2 | 12 Mar | 2 Apr | ||||
| 67. | Sand Martin | 3 | 107 | 110 | 100 | 10 | 61 ( 9 Apr) | 50 | 5 | 26 Mar | 15 Apr | ||||
| 68. | Swallow | 7 | 93 | 100 | 98 | 2 | 38 ( 3 Apr) | 60 | 6 | 24 Mar | 15 Apr | ||||
| 69. | House Martin | 0 | 1 | 1 | 1 | 0 | 1 ( 9 Apr) | 10 | 1 | 9 Apr | 9 Apr | ||||
| 70. | Chiffchaff | 4 | 0 | 4 | 2 | 2 | 3 (26 Mar) | 20 | 2 | 24 Mar | 26 Mar | ||||
| 71. | Starling | 2600 | 139 | 2739 | 2201 | 538 | 1921 (19 Mar) | 80 | 8 | 12 Mar | 15 Apr | ||||
| 72. | Song Thrush | 6 | 13 | 19 | 19 | 0 | 13 ( 2 Apr) | 30 | 3 | 12 Mar | 2 Apr | ||||
| 73. | Mistle Thrush | 2 | 2 | 4 | 4 | 0 | 2 ( 9 Apr) | 30 | 3 | 12 Mar | 9 Apr | ||||
| 74. | Blackbird | 0 | 3 | 3 | 0 | 3 | 2 ( 2 Apr) | 20 | 2 | 2 Apr | 9 Apr | ||||
| 75. | Fieldfare | 88 | 40 | 128 | 88 | 40 | 81 (26 Mar) | 30 | 3 | 12 Mar | 2 Apr | ||||
| 76. | Ring Ouzel | 0 | 3 | 3 | 0 | 3 | 3 ( 2 Apr) | 10 | 1 | 2 Apr | 2 Apr | ||||
| 77. | Bluethroat | 0 | 1 | 1 | 1 | 0 | 1 (15 Apr) | 10 | 1 | 15 Apr | 15 Apr | ||||
| 78. | Stonechat | 1 | 1 | 2 | 2 | 0 | 1 (19 Mar) | 20 | 2 | 19 Mar | 2 Apr | ||||
| 79. | Blue-headed Wagtail | 0 | 5 | 5 | 5 | 0 | 3 ( 9 Apr) | 20 | 2 | 9 Apr | 15 Apr | ||||
| 80. | White Wagtail | 121 | 69 | 190 | 188 | 2 | 37 (26 Mar) | 100 | 10 | 12 Mar | 15 Apr | ||||
| 81. | Pied Wagtail | 1 | 0 | 1 | 1 | 0 | 1 (25 Mar) | 10 | 1 | 25 Mar | 25 Mar | ||||
| 82. | Meadow Pipit | 62 | 130 | 192 | 192 | 0 | 81 (15 Apr) | 100 | 10 | 12 Mar | 15 Apr | ||||
| 83. | Tree Pipit | 0 | 2 | 2 | 2 | 0 | 2 (15 Apr) | 10 | 1 | 15 Apr | 15 Apr | ||||
| 84. | Water Pipit | 3 | 3 | 6 | 6 | 0 | 3 (19 Mar) | 20 | 2 | 19 Mar | 2 Apr | ||||
| 85. | Chaffinch | 236 | 40 | 276 | 274 | 2 | 160 (19 Mar) | 90 | 9 | 12 Mar | 15 Apr | ||||
| 86. | Brambling | 0 | 2 | 2 | 2 | 0 | 2 ( 9 Apr) | 10 | 1 | 9 Apr | 9 Apr | ||||
| 87. | Hawfinch | 27 | 10 | 37 | 35 | 2 | 15 (26 Mar) | 70 | 7 | 12 Mar | 15 Apr | ||||
| 88. | Greenfinch | 32 | 13 | 45 | 43 | 2 | 15 (12 Mar) | 90 | 9 | 12 Mar | 15 Apr | ||||
| 89. | Linnet | 3 | 40 | 43 | 37 | 6 | 17 ( 2 Apr) | 50 | 5 | 12 Mar | 15 Apr | ||||
| 90. | Goldfinch | 3 | 2 | 5 | 5 | 0 | 3 (26 Mar) | 20 | 2 | 26 Mar | 2 Apr | ||||
| Species | Mar | Apr | Totals | NE | SW | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 91. | Siskin | 81 | 54 | 135 | 135 | 0 | 52 ( 2 Apr) | 70 | 7 | 12 Mar | 9 Apr | ||||
| 92. | Reed Bunting | 125 | 30 | 155 | 155 | 0 | 103 (19 Mar) | 80 | 8 | 12 Mar | 15 Apr | ||||
| Other species | |||||||||||||||
| Species | Mar | Apr | Totals | NE | SW | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Small Tortoiseshell | 4 | 4 | 8 | 8 | 0 | 3 ( 9 Apr) | 40 | 4 | 19 Mar | 9 Apr | ||||
| 2. | white sp. (butterfly) | 0 | 2 | 2 | 2 | 0 | 2 ( 2 Apr) | 10 | 1 | 2 Apr | 2 Apr | ||||
| Species | Mar | Apr | Totals | NE | SW | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 17972 | 3875 | 21847 | 20733 | 1114 | 100 | 10 | ||||||||
| Observation hours | 24:50 | 18:35 | 43:25 | ||||||||||||
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