Also present
Totals Jacobssteeg, De Bilt 2017
| Species | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Barnacle Goose | 0 | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 2 (28 Oct) | 3 | 1 | 28 Oct | 28 Oct | ||||
| 2. | Greylag Goose | 0 | 26 | 295 | 1937 | 309 | 2567 | 2258 | 309 | 599 (28 Oct) | 71 | 24 | 2 Aug | 22 Nov | ||||
| 3. | goose sp. | 0 | 0 | 1 | 162 | 74 | 237 | 229 | 8 | 46 (14 Oct) | 26 | 9 | 30 Sep | 17 Nov | ||||
| 4. | Bean Goose sp. | 0 | 0 | 22 | 6 | 0 | 28 | 28 | 0 | 22 (30 Sep) | 6 | 2 | 30 Sep | 18 Oct | ||||
| 5. | Eurasian White-fronted Goose | 0 | 0 | 0 | 190 | 64 | 254 | 217 | 37 | 92 (28 Oct) | 29 | 10 | 18 Oct | 22 Nov | ||||
| 6. | Mute Swan | 0 | 0 | 0 | 5 | 1 | 6 | 6 | 0 | 3 (11 Oct) | 12 | 4 | 11 Oct | 17 Nov | ||||
| 7. | Egyptian Goose | 0 | 0 | 50 | 80 | 54 | 184 | 116 | 68 | 33 (20 Sep) | 47 | 16 | 14 Sep | 22 Nov | ||||
| 8. | Gadwall | 0 | 2 | 0 | 4 | 0 | 6 | 6 | 0 | 3 (14 Oct) | 9 | 3 | 26 Aug | 25 Oct | ||||
| 9. | Wigeon | 0 | 0 | 0 | 15 | 0 | 15 | 15 | 0 | 12 (25 Oct) | 9 | 3 | 7 Oct | 25 Oct | ||||
| 10. | Mallard | 0 | 1 | 7 | 20 | 0 | 28 | 28 | 0 | 11 (21 Oct) | 18 | 6 | 2 Aug | 21 Oct | ||||
| 11. | duck sp. | 0 | 0 | 20 | 0 | 0 | 20 | 20 | 0 | 20 (30 Sep) | 3 | 1 | 30 Sep | 30 Sep | ||||
| 12. | Goosander | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (21 Oct) | 3 | 1 | 21 Oct | 21 Oct | ||||
| 13. | Swift | 23 | 52 | 0 | 0 | 0 | 75 | 75 | 0 | 43 ( 2 Aug) | 15 | 5 | 22 Jul | 26 Aug | ||||
| 14. | Stock Dove | 6 | 24 | 111 | 96 | 98 | 335 | 259 | 76 | 33 (18 Nov) | 97 | 33 | 22 Jul | 22 Nov | ||||
| 15. | Woodpigeon | 2 | 14 | 63 | 863 | 416 | 1358 | 1330 | 28 | 382 (18 Oct) | 97 | 33 | 22 Jul | 22 Nov | ||||
| 16. | Collared Dove | 0 | 0 | 2 | 3 | 0 | 5 | 5 | 0 | 3 (21 Oct) | 6 | 2 | 23 Sep | 21 Oct | ||||
| 17. | Golden Plover | 0 | 0 | 0 | 2 | 1 | 3 | 2 | 1 | 2 (14 Oct) | 6 | 2 | 14 Oct | 15 Nov | ||||
| 18. | Lapwing | 0 | 0 | 0 | 41 | 20 | 61 | 61 | 0 | 34 (16 Oct) | 21 | 7 | 7 Oct | 4 Nov | ||||
| 19. | Curlew | 2 | 1 | 0 | 0 | 0 | 3 | 3 | 0 | 2 (22 Jul) | 6 | 2 | 22 Jul | 9 Aug | ||||
| 20. | Snipe | 0 | 5 | 3 | 1 | 1 | 10 | 10 | 0 | 3 ( 9 Aug) | 15 | 5 | 9 Aug | 18 Nov | ||||
| 21. | Green Sandpiper | 0 | 2 | 1 | 1 | 0 | 4 | 4 | 0 | 2 (23 Aug) | 9 | 3 | 23 Aug | 4 Oct | ||||
| 22. | wader sp. | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 ( 4 Nov) | 3 | 1 | 4 Nov | 4 Nov | ||||
| 23. | Black-headed Gull | 0 | 0 | 7 | 74 | 13 | 94 | 92 | 2 | 26 (28 Oct) | 38 | 13 | 2 Sep | 18 Nov | ||||
| 24. | Common Gull | 0 | 0 | 0 | 0 | 9 | 9 | 9 | 0 | 5 ( 4 Nov) | 9 | 3 | 4 Nov | 18 Nov | ||||
| 25. | Herring Gull | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 0 | 1 (28 Oct) | 6 | 2 | 28 Oct | 17 Nov | ||||
| 26. | Lesser Black-backed Gull | 46 | 14 | 24 | 10 | 1 | 95 | 94 | 1 | 45 (22 Jul) | 47 | 16 | 22 Jul | 1 Nov | ||||
| 27. | Cormorant | 0 | 7 | 883 | 1085 | 4 | 1979 | 1968 | 11 | 678 (28 Oct) | 56 | 19 | 23 Aug | 22 Nov | ||||
| 28. | Great White Egret | 0 | 0 | 5 | 11 | 1 | 17 | 17 | 0 | 7 (14 Oct) | 24 | 8 | 14 Sep | 1 Nov | ||||
| 29. | heron sp. | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (28 Oct) | 3 | 1 | 28 Oct | 28 Oct | ||||
| 30. | Grey Heron | 0 | 7 | 0 | 2 | 0 | 9 | 9 | 0 | 5 ( 9 Aug) | 15 | 5 | 2 Aug | 25 Oct | ||||
| Species | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Purple Heron | 0 | 2 | 1 | 1 | 0 | 4 | 4 | 0 | 1 ( 2 Aug) | 12 | 4 | 2 Aug | 4 Oct | ||||
| 32. | Sparrowhawk | 0 | 1 | 1 | 15 | 3 | 20 | 20 | 0 | 2 ( 7 Oct) | 41 | 14 | 26 Aug | 17 Nov | ||||
| 33. | Goshawk | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 8 Oct) | 3 | 1 | 8 Oct | 8 Oct | ||||
| 34. | Marsh Harrier | 0 | 0 | 2 | 0 | 0 | 2 | 2 | 0 | 1 (20 Sep) | 6 | 2 | 20 Sep | 23 Sep | ||||
| 35. | harrier sp. | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (23 Aug) | 3 | 1 | 23 Aug | 23 Aug | ||||
| 36. | Common Buzzard | 0 | 0 | 8 | 11 | 0 | 19 | 19 | 0 | 9 (16 Oct) | 18 | 6 | 2 Sep | 18 Oct | ||||
| 37. | Short-eared Owl | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (25 Oct) | 3 | 1 | 25 Oct | 25 Oct | ||||
| 38. | Great Spotted Woodpecker | 0 | 1 | 13 | 6 | 4 | 24 | 18 | 6 | 7 (30 Sep) | 38 | 13 | 2 Aug | 22 Nov | ||||
| 39. | Kestrel | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (20 Sep) | 3 | 1 | 20 Sep | 20 Sep | ||||
| 40. | Merlin | 0 | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 1 (21 Oct) | 6 | 2 | 21 Oct | 28 Oct | ||||
| 41. | Hobby | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (20 Sep) | 3 | 1 | 20 Sep | 20 Sep | ||||
| 42. | Peregrine | 0 | 0 | 0 | 2 | 1 | 3 | 3 | 0 | 1 (14 Oct) | 9 | 3 | 14 Oct | 18 Nov | ||||
| 43. | Rose-ringed Parakeet | 1 | 15 | 34 | 82 | 150 | 282 | 259 | 23 | 63 ( 1 Nov) | 79 | 27 | 22 Jul | 22 Nov | ||||
| 44. | Jay | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (30 Sep) | 3 | 1 | 30 Sep | 30 Sep | ||||
| 45. | Jackdaw | 0 | 156 | 19 | 39 | 8 | 222 | 222 | 0 | 147 (23 Aug) | 44 | 15 | 2 Aug | 18 Nov | ||||
| 46. | Carrion Crow | 0 | 0 | 14 | 34 | 16 | 64 | 62 | 2 | 8 (28 Oct) | 59 | 20 | 2 Sep | 22 Nov | ||||
| 47. | Raven | 0 | 3 | 0 | 2 | 0 | 5 | 5 | 0 | 3 (23 Aug) | 6 | 2 | 23 Aug | 21 Oct | ||||
| 48. | Coal Tit | 0 | 0 | 2 | 1 | 0 | 3 | 2 | 1 | 1 ( 2 Sep) | 9 | 3 | 2 Sep | 8 Oct | ||||
| 49. | Crested Tit | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (23 Sep) | 3 | 1 | 23 Sep | 23 Sep | ||||
| 50. | Blue Tit | 0 | 0 | 17 | 24 | 22 | 63 | 63 | 0 | 13 ( 1 Nov) | 32 | 11 | 20 Sep | 22 Nov | ||||
| 51. | Great Tit | 0 | 0 | 0 | 28 | 0 | 28 | 28 | 0 | 22 ( 8 Oct) | 9 | 3 | 8 Oct | 25 Oct | ||||
| 52. | Wood Lark | 0 | 0 | 0 | 3 | 0 | 3 | 3 | 0 | 3 (14 Oct) | 3 | 1 | 14 Oct | 14 Oct | ||||
| 53. | Skylark | 0 | 0 | 4 | 796 | 64 | 864 | 860 | 4 | 415 (25 Oct) | 41 | 14 | 30 Sep | 18 Nov | ||||
| 54. | Sand Martin | 0 | 3 | 0 | 0 | 0 | 3 | 3 | 0 | 2 (23 Aug) | 6 | 2 | 9 Aug | 23 Aug | ||||
| 55. | Swallow | 0 | 234 | 781 | 27 | 0 | 1042 | 1040 | 2 | 215 (20 Sep) | 44 | 15 | 23 Aug | 16 Oct | ||||
| 56. | House Martin | 0 | 22 | 20 | 0 | 0 | 42 | 42 | 0 | 22 (26 Aug) | 21 | 7 | 26 Aug | 20 Sep | ||||
| 57. | Goldcrest | 0 | 0 | 2 | 1 | 0 | 3 | 3 | 0 | 2 (23 Sep) | 6 | 2 | 23 Sep | 8 Oct | ||||
| 58. | Nuthatch | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (23 Sep) | 3 | 1 | 23 Sep | 23 Sep | ||||
| 59. | Starling | 6 | 86 | 878 | 2596 | 1530 | 5096 | 4817 | 279 | 539 ( 4 Nov) | 94 | 32 | 22 Jul | 22 Nov | ||||
| 60. | Song Thrush | 0 | 0 | 51 | 367 | 10 | 428 | 398 | 30 | 197 (21 Oct) | 50 | 17 | 13 Sep | 8 Nov | ||||
| Species | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Mistle Thrush | 0 | 0 | 0 | 8 | 1 | 9 | 8 | 1 | 4 (14 Oct) | 12 | 4 | 8 Oct | 15 Nov | ||||
| 62. | Redwing | 0 | 0 | 0 | 3467 | 670 | 4137 | 3939 | 198 | 1297 (28 Oct) | 47 | 16 | 7 Oct | 22 Nov | ||||
| 63. | Blackbird | 0 | 0 | 8 | 10 | 22 | 40 | 36 | 4 | 11 ( 4 Nov) | 32 | 11 | 23 Sep | 15 Nov | ||||
| 64. | Fieldfare | 0 | 0 | 0 | 80 | 199 | 279 | 279 | 0 | 133 ( 4 Nov) | 21 | 7 | 28 Oct | 22 Nov | ||||
| 65. | Ring Ouzel | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 8 Oct) | 3 | 1 | 8 Oct | 8 Oct | ||||
| 66. | Whinchat | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (23 Aug) | 3 | 1 | 23 Aug | 23 Aug | ||||
| 67. | Wheatear | 0 | 1 | 2 | 0 | 0 | 3 | 3 | 0 | 1 (26 Aug) | 9 | 3 | 26 Aug | 19 Sep | ||||
| 68. | Tree Sparrow | 0 | 0 | 5 | 5 | 0 | 10 | 5 | 5 | 5 (30 Sep) | 12 | 4 | 30 Sep | 11 Oct | ||||
| 69. | House Sparrow | 0 | 0 | 1 | 28 | 0 | 29 | 29 | 0 | 28 ( 8 Oct) | 6 | 2 | 30 Sep | 8 Oct | ||||
| 70. | Blue-headed Wagtail | 0 | 6 | 17 | 0 | 0 | 23 | 23 | 0 | 12 ( 2 Sep) | 15 | 5 | 26 Aug | 20 Sep | ||||
| 71. | Yellow wagtail sp. | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (23 Aug) | 3 | 1 | 23 Aug | 23 Aug | ||||
| 72. | Grey Wagtail | 0 | 0 | 6 | 8 | 4 | 18 | 18 | 0 | 3 (14 Oct) | 35 | 12 | 20 Sep | 11 Nov | ||||
| 73. | White Wagtail | 0 | 0 | 23 | 76 | 2 | 101 | 97 | 4 | 27 ( 8 Oct) | 38 | 13 | 20 Sep | 22 Nov | ||||
| 74. | alba wagtail sp. | 0 | 8 | 27 | 0 | 0 | 35 | 35 | 0 | 13 (23 Sep) | 26 | 9 | 2 Aug | 23 Sep | ||||
| 75. | Meadow Pipit | 0 | 0 | 469 | 839 | 28 | 1336 | 1333 | 3 | 258 ( 4 Oct) | 59 | 20 | 14 Sep | 17 Nov | ||||
| 76. | Water Pipit | 0 | 0 | 0 | 1 | 2 | 3 | 3 | 0 | 1 (28 Oct) | 9 | 3 | 28 Oct | 11 Nov | ||||
| 77. | Chaffinch | 0 | 1 | 199 | 5939 | 959 | 7098 | 7072 | 26 | 1988 (14 Oct) | 74 | 25 | 2 Aug | 22 Nov | ||||
| 78. | Brambling | 0 | 0 | 0 | 28 | 37 | 65 | 63 | 2 | 23 ( 4 Nov) | 35 | 12 | 4 Oct | 11 Nov | ||||
| 79. | finch sp. | 0 | 181 | 143 | 0 | 0 | 324 | 4 | 320 | 141 ( 2 Sep) | 12 | 4 | 23 Aug | 14 Sep | ||||
| 80. | Hawfinch | 0 | 0 | 1 | 30 | 2 | 33 | 24 | 9 | 9 (21 Oct) | 29 | 10 | 30 Sep | 4 Nov | ||||
| 81. | Bullfinch | 0 | 0 | 0 | 1 | 2 | 3 | 3 | 0 | 2 ( 1 Nov) | 6 | 2 | 25 Oct | 1 Nov | ||||
| 82. | Greenfinch | 0 | 9 | 38 | 63 | 16 | 126 | 121 | 5 | 17 ( 8 Oct) | 79 | 27 | 2 Aug | 18 Nov | ||||
| 83. | Linnet | 0 | 0 | 157 | 138 | 11 | 306 | 306 | 0 | 151 (30 Sep) | 32 | 11 | 20 Sep | 1 Nov | ||||
| 84. | Mealy Redpoll | 0 | 0 | 0 | 0 | 61 | 61 | 57 | 4 | 34 (22 Nov) | 6 | 2 | 18 Nov | 22 Nov | ||||
| 85. | redpoll sp. | 0 | 0 | 0 | 3 | 32 | 35 | 35 | 0 | 26 (17 Nov) | 15 | 5 | 4 Oct | 17 Nov | ||||
| 86. | Crossbill | 0 | 0 | 0 | 10 | 0 | 10 | 10 | 0 | 5 ( 8 Oct) | 9 | 3 | 8 Oct | 18 Oct | ||||
| 87. | Goldfinch | 0 | 9 | 43 | 112 | 142 | 306 | 280 | 26 | 46 (15 Nov) | 76 | 26 | 2 Aug | 22 Nov | ||||
| 88. | Siskin | 0 | 0 | 5 | 459 | 459 | 923 | 832 | 91 | 143 (22 Nov) | 59 | 20 | 27 Sep | 22 Nov | ||||
| 89. | Reed Bunting | 0 | 0 | 12 | 31 | 12 | 55 | 54 | 1 | 14 ( 8 Oct) | 44 | 15 | 23 Sep | 8 Nov | ||||
| Species | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 86 | 896 | 4502 | 19989 | 5537 | 31010 | 29422 | 1588 | 100 | 34 | ||||||||
| Observation hours | 2:00 | 11:10 | 28:40 | 31:00 | 16:55 | 89:45 | ||||||||||||
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