Also present
Totals Aetsveldsche polder, Nigtevecht 2015
| Species | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Canada Goose | 0 | 37 | 52 | 0 | 89 | 89 | 0 | 52 (23 Oct) | 36 | 4 | 9 Sep | 23 Oct | ||||
| 2. | Barnacle Goose | 0 | 8 | 23 | 17 | 48 | 40 | 8 | 23 (23 Oct) | 27 | 3 | 12 Sep | 4 Nov | ||||
| 3. | Snow Goose | 0 | 0 | 3 | 0 | 3 | 3 | 0 | 3 ( 3 Oct) | 9 | 1 | 3 Oct | 3 Oct | ||||
| 4. | Greylag Goose | 129 | 509 | 910 | 22 | 1570 | 1556 | 14 | 598 ( 3 Oct) | 100 | 11 | 30 Aug | 4 Nov | ||||
| 5. | Pink-footed Goose | 0 | 0 | 56 | 0 | 56 | 56 | 0 | 56 ( 3 Oct) | 9 | 1 | 3 Oct | 3 Oct | ||||
| 6. | Tundra Bean Goose | 0 | 0 | 18 | 0 | 18 | 18 | 0 | 11 ( 3 Oct) | 18 | 2 | 3 Oct | 23 Oct | ||||
| 7. | Eurasian White-fronted Goose | 0 | 0 | 3135 | 108 | 3243 | 3243 | 0 | 1910 (23 Oct) | 45 | 5 | 3 Oct | 4 Nov | ||||
| 8. | Mute Swan | 0 | 3 | 4 | 0 | 7 | 6 | 1 | 2 (29 Sep) | 45 | 5 | 9 Sep | 23 Oct | ||||
| 9. | Egyptian Goose | 4 | 17 | 44 | 6 | 71 | 63 | 8 | 35 ( 3 Oct) | 55 | 6 | 30 Aug | 4 Nov | ||||
| 10. | Shoveler | 0 | 9 | 10 | 0 | 19 | 19 | 0 | 7 (23 Oct) | 36 | 4 | 10 Sep | 23 Oct | ||||
| 11. | Gadwall | 0 | 54 | 50 | 0 | 104 | 101 | 3 | 31 ( 3 Oct) | 64 | 7 | 9 Sep | 23 Oct | ||||
| 12. | Wigeon | 0 | 161 | 106 | 0 | 267 | 249 | 18 | 75 (29 Sep) | 64 | 7 | 9 Sep | 23 Oct | ||||
| 13. | Mallard | 2 | 10 | 18 | 4 | 34 | 33 | 1 | 11 (23 Oct) | 73 | 8 | 30 Aug | 4 Nov | ||||
| 14. | Pintail | 0 | 5 | 0 | 0 | 5 | 5 | 0 | 5 (11 Sep) | 9 | 1 | 11 Sep | 11 Sep | ||||
| 15. | Teal | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (12 Sep) | 9 | 1 | 12 Sep | 12 Sep | ||||
| 16. | Pochard | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 ( 9 Sep) | 9 | 1 | 9 Sep | 9 Sep | ||||
| 17. | Stock Dove | 0 | 23 | 14 | 1 | 38 | 38 | 0 | 11 (12 Sep) | 82 | 9 | 10 Sep | 4 Nov | ||||
| 18. | Woodpigeon | 0 | 17 | 300 | 54 | 371 | 371 | 0 | 224 (23 Oct) | 91 | 10 | 9 Sep | 4 Nov | ||||
| 19. | Golden Plover | 47 | 173 | 337 | 4 | 561 | 561 | 0 | 234 (23 Oct) | 82 | 9 | 30 Aug | 4 Nov | ||||
| 20. | Lapwing | 81 | 109 | 1062 | 411 | 1663 | 1663 | 0 | 411 ( 4 Nov) | 82 | 9 | 30 Aug | 4 Nov | ||||
| 21. | Curlew | 2 | 8 | 38 | 0 | 48 | 48 | 0 | 38 (23 Oct) | 36 | 4 | 30 Aug | 23 Oct | ||||
| 22. | Snipe | 6 | 96 | 6 | 0 | 108 | 108 | 0 | 41 (10 Sep) | 73 | 8 | 30 Aug | 23 Oct | ||||
| 23. | Green Sandpiper | 0 | 0 | 3 | 0 | 3 | 3 | 0 | 2 ( 3 Oct) | 18 | 2 | 3 Oct | 23 Oct | ||||
| 24. | Wood Sandpiper | 2 | 0 | 0 | 0 | 2 | 2 | 0 | 2 (30 Aug) | 9 | 1 | 30 Aug | 30 Aug | ||||
| 25. | Black-headed Gull | 0 | 109 | 192 | 0 | 301 | 301 | 0 | 98 (19 Oct) | 73 | 8 | 9 Sep | 24 Oct | ||||
| 26. | Common Gull | 0 | 21 | 51 | 0 | 72 | 71 | 1 | 28 (19 Oct) | 73 | 8 | 9 Sep | 24 Oct | ||||
| 27. | Herring Gull | 0 | 2 | 4 | 0 | 6 | 6 | 0 | 2 (29 Sep) | 36 | 4 | 29 Sep | 23 Oct | ||||
| 28. | Great Black-backed Gull | 0 | 0 | 6 | 0 | 6 | 1 | 5 | 6 ( 3 Oct) | 9 | 1 | 3 Oct | 3 Oct | ||||
| 29. | Lesser Black-backed Gull | 3 | 23 | 15 | 0 | 41 | 40 | 1 | 12 (10 Sep) | 73 | 8 | 30 Aug | 24 Oct | ||||
| 30. | White Stork | 1 | 11 | 0 | 0 | 12 | 12 | 0 | 10 (10 Sep) | 27 | 3 | 30 Aug | 10 Sep | ||||
| Species | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Cormorant | 10 | 210 | 91 | 57 | 368 | 334 | 34 | 121 (12 Sep) | 100 | 11 | 30 Aug | 4 Nov | ||||
| 32. | Great White Egret | 0 | 15 | 6 | 1 | 22 | 21 | 1 | 7 (11 Sep) | 73 | 8 | 10 Sep | 4 Nov | ||||
| 33. | Grey Heron | 2 | 10 | 7 | 0 | 19 | 18 | 1 | 6 ( 3 Oct) | 55 | 6 | 30 Aug | 23 Oct | ||||
| 34. | Purple Heron | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (30 Aug) | 9 | 1 | 30 Aug | 30 Aug | ||||
| 35. | Honey Buzzard | 5 | 0 | 0 | 0 | 5 | 5 | 0 | 5 (30 Aug) | 9 | 1 | 30 Aug | 30 Aug | ||||
| 36. | Sparrowhawk | 4 | 7 | 7 | 0 | 18 | 18 | 0 | 4 (30 Aug) | 64 | 7 | 30 Aug | 24 Oct | ||||
| 37. | Goshawk | 0 | 2 | 1 | 0 | 3 | 2 | 1 | 1 (12 Sep) | 27 | 3 | 12 Sep | 19 Oct | ||||
| 38. | Marsh Harrier | 9 | 11 | 0 | 0 | 20 | 20 | 0 | 9 (30 Aug) | 36 | 4 | 30 Aug | 12 Sep | ||||
| 39. | Common Buzzard | 17 | 24 | 5 | 0 | 46 | 46 | 0 | 21 (10 Sep) | 55 | 6 | 30 Aug | 3 Oct | ||||
| 40. | Great Spotted Woodpecker | 0 | 0 | 1 | 1 | 2 | 2 | 0 | 1 (23 Oct) | 18 | 2 | 23 Oct | 4 Nov | ||||
| 41. | Kestrel | 5 | 2 | 1 | 0 | 8 | 8 | 0 | 5 (30 Aug) | 27 | 3 | 30 Aug | 23 Oct | ||||
| 42. | Hobby | 2 | 5 | 0 | 0 | 7 | 7 | 0 | 3 ( 9 Sep) | 27 | 3 | 30 Aug | 10 Sep | ||||
| 43. | Peregrine | 3 | 0 | 1 | 0 | 4 | 4 | 0 | 3 (30 Aug) | 18 | 2 | 30 Aug | 23 Oct | ||||
| 44. | Rose-ringed Parakeet | 2 | 29 | 70 | 0 | 101 | 101 | 0 | 42 (19 Oct) | 82 | 9 | 30 Aug | 24 Oct | ||||
| 45. | Jay | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (10 Sep) | 9 | 1 | 10 Sep | 10 Sep | ||||
| 46. | Magpie | 0 | 0 | 3 | 0 | 3 | 3 | 0 | 3 (23 Oct) | 9 | 1 | 23 Oct | 23 Oct | ||||
| 47. | Jackdaw | 15 | 153 | 636 | 57 | 861 | 846 | 15 | 199 (19 Oct) | 100 | 11 | 30 Aug | 4 Nov | ||||
| 48. | Rook | 1 | 6 | 0 | 0 | 7 | 7 | 0 | 4 (10 Sep) | 36 | 4 | 30 Aug | 12 Sep | ||||
| 49. | Carrion Crow | 0 | 2 | 0 | 0 | 2 | 2 | 0 | 2 (10 Sep) | 9 | 1 | 10 Sep | 10 Sep | ||||
| 50. | Raven | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 1 ( 3 Oct) | 18 | 2 | 3 Oct | 23 Oct | ||||
| 51. | Coal Tit | 0 | 0 | 29 | 0 | 29 | 29 | 0 | 28 ( 3 Oct) | 18 | 2 | 3 Oct | 23 Oct | ||||
| 52. | Blue Tit | 0 | 1 | 3 | 0 | 4 | 4 | 0 | 1 (10 Sep) | 36 | 4 | 10 Sep | 23 Oct | ||||
| 53. | Great Tit | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (24 Oct) | 9 | 1 | 24 Oct | 24 Oct | ||||
| 54. | Skylark | 0 | 53 | 351 | 11 | 415 | 415 | 0 | 208 (24 Oct) | 64 | 7 | 10 Sep | 4 Nov | ||||
| 55. | Sand Martin | 0 | 15 | 0 | 0 | 15 | 15 | 0 | 9 (10 Sep) | 27 | 3 | 9 Sep | 12 Sep | ||||
| 56. | Swallow | 1 | 130 | 0 | 0 | 131 | 131 | 0 | 39 ( 9 Sep) | 55 | 6 | 30 Aug | 29 Sep | ||||
| 57. | House Martin | 1 | 19 | 0 | 0 | 20 | 20 | 0 | 16 (10 Sep) | 27 | 3 | 30 Aug | 10 Sep | ||||
| 58. | Long-tailed Tit | 0 | 0 | 19 | 6 | 25 | 25 | 0 | 10 ( 3 Oct) | 27 | 3 | 3 Oct | 4 Nov | ||||
| 59. | Chiffchaff | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (10 Sep) | 9 | 1 | 10 Sep | 10 Sep | ||||
| 60. | Goldcrest | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 3 Oct) | 9 | 1 | 3 Oct | 3 Oct | ||||
| Species | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Starling | 77 | 750 | 6837 | 215 | 7879 | 7879 | 0 | 3697 (24 Oct) | 100 | 11 | 30 Aug | 4 Nov | ||||
| 62. | Song Thrush | 0 | 1 | 3 | 0 | 4 | 4 | 0 | 2 (23 Oct) | 27 | 3 | 29 Sep | 23 Oct | ||||
| 63. | Mistle Thrush | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (19 Oct) | 9 | 1 | 19 Oct | 19 Oct | ||||
| 64. | Redwing | 0 | 0 | 1071 | 3 | 1074 | 1074 | 0 | 655 (23 Oct) | 36 | 4 | 19 Oct | 4 Nov | ||||
| 65. | Blackbird | 0 | 1 | 1 | 0 | 2 | 2 | 0 | 1 ( 9 Sep) | 18 | 2 | 9 Sep | 23 Oct | ||||
| 66. | Fieldfare | 0 | 0 | 262 | 22 | 284 | 284 | 0 | 207 (19 Oct) | 36 | 4 | 19 Oct | 4 Nov | ||||
| 67. | Ring Ouzel | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (23 Oct) | 9 | 1 | 23 Oct | 23 Oct | ||||
| 68. | Black Redstart | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (23 Oct) | 9 | 1 | 23 Oct | 23 Oct | ||||
| 69. | Tree Sparrow | 0 | 4 | 26 | 0 | 30 | 30 | 0 | 12 (19 Oct) | 45 | 5 | 11 Sep | 23 Oct | ||||
| 70. | House Sparrow | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (19 Oct) | 9 | 1 | 19 Oct | 19 Oct | ||||
| 71. | Dunnock | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 3 Oct) | 9 | 1 | 3 Oct | 3 Oct | ||||
| 72. | Blue-headed Wagtail | 9 | 43 | 0 | 0 | 52 | 52 | 0 | 16 (12 Sep) | 45 | 5 | 30 Aug | 12 Sep | ||||
| 73. | Grey Wagtail | 0 | 2 | 8 | 0 | 10 | 9 | 1 | 3 (19 Oct) | 45 | 5 | 29 Sep | 24 Oct | ||||
| 74. | White Wagtail | 0 | 15 | 44 | 1 | 60 | 60 | 0 | 24 ( 3 Oct) | 91 | 10 | 9 Sep | 4 Nov | ||||
| 75. | Meadow Pipit | 0 | 301 | 502 | 28 | 831 | 831 | 0 | 342 ( 3 Oct) | 91 | 10 | 9 Sep | 4 Nov | ||||
| 76. | Tree Pipit | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 ( 9 Sep) | 9 | 1 | 9 Sep | 9 Sep | ||||
| 77. | Water Pipit | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 1 (19 Oct) | 18 | 2 | 19 Oct | 24 Oct | ||||
| 78. | Chaffinch | 0 | 10 | 532 | 20 | 562 | 562 | 0 | 447 (23 Oct) | 91 | 10 | 9 Sep | 4 Nov | ||||
| 79. | Brambling | 0 | 0 | 8 | 0 | 8 | 8 | 0 | 4 (23 Oct) | 27 | 3 | 19 Oct | 24 Oct | ||||
| 80. | Bullfinch | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (23 Oct) | 9 | 1 | 23 Oct | 23 Oct | ||||
| 81. | Greenfinch | 0 | 0 | 20 | 1 | 21 | 21 | 0 | 12 ( 3 Oct) | 45 | 5 | 3 Oct | 4 Nov | ||||
| 82. | Linnet | 0 | 16 | 9 | 0 | 25 | 25 | 0 | 14 (29 Sep) | 55 | 6 | 10 Sep | 24 Oct | ||||
| 83. | Goldfinch | 0 | 6 | 18 | 0 | 24 | 20 | 4 | 16 ( 3 Oct) | 36 | 4 | 9 Sep | 23 Oct | ||||
| 84. | Siskin | 0 | 0 | 21 | 11 | 32 | 32 | 0 | 11 ( 4 Nov) | 36 | 4 | 3 Oct | 4 Nov | ||||
| 85. | Ortolan Bunting | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (10 Sep) | 9 | 1 | 10 Sep | 10 Sep | ||||
| 86. | Reed Bunting | 0 | 13 | 10 | 1 | 24 | 24 | 0 | 9 (29 Sep) | 91 | 10 | 9 Sep | 4 Nov | ||||
| Other species | |||||||||||||||||
| Species | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | European Peacock | 0 | 2 | 0 | 0 | 2 | 2 | 0 | 2 (10 Sep) | 9 | 1 | 10 Sep | 10 Sep | ||||
| 2. | Comma | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (10 Sep) | 9 | 1 | 10 Sep | 10 Sep | ||||
| 3. | Red Admiral | 8 | 5 | 10 | 0 | 23 | 23 | 0 | 10 ( 3 Oct) | 27 | 3 | 30 Aug | 3 Oct | ||||
| Species | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 449 | 3275 | 17082 | 1062 | 21868 | 21751 | 117 | 100 | 11 | ||||||||
| Observation hours | 4:30 | 16:35 | 16:20 | 1:30 | 38:55 | ||||||||||||
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