Also present
Totals Jacobssteeg, De Bilt 2019
| Species | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Canada Goose | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (30 Oct) | 2 | 1 | 30 Oct | 30 Oct | ||||
| 2. | Barnacle Goose | 0 | 0 | 0 | 6 | 0 | 6 | 6 | 0 | 6 (30 Oct) | 2 | 1 | 30 Oct | 30 Oct | ||||
| 3. | Greylag Goose | 9 | 278 | 779 | 1937 | 835 | 3838 | 3261 | 577 | 604 ( 5 Oct) | 91 | 40 | 5 Jul | 23 Nov | ||||
| 4. | goose sp. | 0 | 0 | 26 | 1013 | 314 | 1353 | 1268 | 85 | 432 (23 Oct) | 32 | 14 | 18 Sep | 23 Nov | ||||
| 5. | Tundra Bean Goose | 0 | 0 | 0 | 7 | 20 | 27 | 27 | 0 | 20 (20 Nov) | 7 | 3 | 30 Oct | 20 Nov | ||||
| 6. | Eurasian White-fronted Goose | 0 | 0 | 0 | 1159 | 1047 | 2206 | 2147 | 59 | 903 ( 6 Nov) | 39 | 17 | 2 Oct | 20 Nov | ||||
| 7. | Mute Swan | 0 | 0 | 3 | 4 | 0 | 7 | 7 | 0 | 4 ( 2 Oct) | 5 | 2 | 28 Sep | 2 Oct | ||||
| 8. | Bewick's Swan | 0 | 0 | 0 | 0 | 5 | 5 | 5 | 0 | 5 (23 Nov) | 2 | 1 | 23 Nov | 23 Nov | ||||
| 9. | Egyptian Goose | 0 | 3 | 32 | 108 | 91 | 234 | 157 | 77 | 51 (26 Oct) | 41 | 18 | 14 Aug | 23 Nov | ||||
| 10. | Shelduck | 0 | 2 | 0 | 0 | 0 | 2 | 2 | 0 | 2 (31 Aug) | 2 | 1 | 31 Aug | 31 Aug | ||||
| 11. | Ruddy Shelduck | 0 | 0 | 2 | 0 | 0 | 2 | 2 | 0 | 2 (14 Sep) | 2 | 1 | 14 Sep | 14 Sep | ||||
| 12. | Wigeon | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (21 Sep) | 2 | 1 | 21 Sep | 21 Sep | ||||
| 13. | Mallard | 0 | 6 | 2 | 11 | 4 | 23 | 21 | 2 | 11 ( 9 Oct) | 11 | 5 | 14 Aug | 9 Nov | ||||
| 14. | Pintail | 0 | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 2 (30 Oct) | 2 | 1 | 30 Oct | 30 Oct | ||||
| 15. | Teal | 0 | 0 | 0 | 4 | 0 | 4 | 4 | 0 | 4 (30 Oct) | 2 | 1 | 30 Oct | 30 Oct | ||||
| 16. | Swift | 4 | 19 | 0 | 0 | 0 | 23 | 23 | 0 | 16 ( 4 Aug) | 7 | 3 | 5 Jul | 10 Aug | ||||
| 17. | Stock Dove | 0 | 113 | 108 | 203 | 223 | 647 | 286 | 361 | 81 (20 Nov) | 91 | 40 | 4 Aug | 23 Nov | ||||
| 18. | Woodpigeon | 0 | 27 | 70 | 3314 | 808 | 4219 | 4142 | 77 | 1109 (23 Oct) | 86 | 38 | 4 Aug | 23 Nov | ||||
| 19. | Collared Dove | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 2 | 1 ( 5 Oct) | 5 | 2 | 5 Oct | 16 Oct | ||||
| 20. | Great Crested Grebe | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (20 Oct) | 2 | 1 | 20 Oct | 20 Oct | ||||
| 21. | Lapwing | 0 | 0 | 1 | 27 | 8 | 36 | 36 | 0 | 10 ( 5 Oct) | 18 | 8 | 18 Sep | 23 Nov | ||||
| 22. | wader sp. | 0 | 2 | 1 | 0 | 0 | 3 | 2 | 1 | 2 (28 Aug) | 5 | 2 | 28 Aug | 25 Sep | ||||
| 23. | Snipe | 0 | 3 | 3 | 15 | 0 | 21 | 17 | 4 | 9 ( 5 Oct) | 20 | 9 | 24 Aug | 30 Oct | ||||
| 24. | Black-headed Gull | 1 | 25 | 105 | 491 | 478 | 1100 | 1089 | 11 | 183 (23 Nov) | 73 | 32 | 5 Jul | 23 Nov | ||||
| 25. | Common Gull | 0 | 0 | 5 | 3 | 18 | 26 | 23 | 3 | 8 (20 Nov) | 16 | 7 | 4 Sep | 23 Nov | ||||
| 26. | Herring Gull | 0 | 1 | 0 | 0 | 1 | 2 | 2 | 0 | 1 (17 Aug) | 5 | 2 | 17 Aug | 9 Nov | ||||
| 27. | Lesser Black-backed Gull | 3 | 69 | 16 | 39 | 1 | 128 | 116 | 12 | 22 ( 7 Aug) | 64 | 28 | 5 Jul | 2 Nov | ||||
| 28. | large gull sp. | 0 | 0 | 0 | 4 | 2 | 6 | 6 | 0 | 3 ( 5 Oct) | 7 | 3 | 2 Oct | 16 Nov | ||||
| 29. | Cormorant | 0 | 40 | 407 | 1181 | 87 | 1715 | 1688 | 27 | 560 ( 2 Oct) | 64 | 28 | 7 Aug | 23 Nov | ||||
| 30. | Spoonbill | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 (16 Nov) | 2 | 1 | 16 Nov | 16 Nov | ||||
| Species | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Grey Heron | 2 | 5 | 2 | 8 | 2 | 19 | 11 | 8 | 2 ( 5 Jul) | 30 | 13 | 5 Jul | 9 Nov | ||||
| 32. | Purple Heron | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 2 Oct) | 2 | 1 | 2 Oct | 2 Oct | ||||
| 33. | Great White Egret | 0 | 2 | 9 | 30 | 3 | 44 | 36 | 8 | 16 ( 2 Oct) | 20 | 9 | 24 Aug | 9 Nov | ||||
| 34. | heron sp. | 0 | 0 | 2 | 3 | 0 | 5 | 1 | 4 | 3 ( 2 Oct) | 7 | 3 | 9 Sep | 2 Oct | ||||
| 35. | Honey Buzzard | 0 | 1 | 1 | 0 | 0 | 2 | 2 | 0 | 1 (10 Aug) | 5 | 2 | 10 Aug | 9 Sep | ||||
| 36. | Sparrowhawk | 0 | 0 | 2 | 28 | 5 | 35 | 35 | 0 | 5 (16 Oct) | 39 | 17 | 21 Sep | 23 Nov | ||||
| 37. | Marsh Harrier | 0 | 1 | 2 | 9 | 1 | 13 | 13 | 0 | 3 ( 2 Oct) | 20 | 9 | 30 Aug | 16 Nov | ||||
| 38. | Hen Harrier | 0 | 0 | 0 | 5 | 1 | 6 | 6 | 0 | 2 (20 Oct) | 9 | 4 | 20 Oct | 23 Nov | ||||
| 39. | harrier sp. | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (28 Aug) | 2 | 1 | 28 Aug | 28 Aug | ||||
| 40. | Rough-legged Buzzard | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (30 Oct) | 2 | 1 | 30 Oct | 30 Oct | ||||
| 41. | Common Buzzard | 0 | 0 | 3 | 14 | 2 | 19 | 18 | 1 | 5 (30 Oct) | 25 | 11 | 9 Sep | 23 Nov | ||||
| 42. | Great Spotted Woodpecker | 0 | 2 | 7 | 7 | 2 | 18 | 17 | 1 | 3 (25 Sep) | 30 | 13 | 28 Aug | 9 Nov | ||||
| 43. | Kestrel | 0 | 1 | 5 | 5 | 0 | 11 | 11 | 0 | 3 ( 9 Sep) | 16 | 7 | 31 Aug | 9 Oct | ||||
| 44. | Merlin | 0 | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 1 ( 5 Oct) | 5 | 2 | 5 Oct | 9 Oct | ||||
| 45. | Hobby | 0 | 2 | 4 | 0 | 0 | 6 | 6 | 0 | 2 (18 Sep) | 11 | 5 | 21 Aug | 28 Sep | ||||
| 46. | Peregrine | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (25 Sep) | 2 | 1 | 25 Sep | 25 Sep | ||||
| 47. | Jay | 0 | 0 | 362 | 386 | 6 | 754 | 662 | 92 | 253 (21 Sep) | 41 | 18 | 18 Sep | 20 Nov | ||||
| 48. | Magpie | 0 | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 1 (16 Oct) | 5 | 2 | 16 Oct | 26 Oct | ||||
| 49. | Jackdaw | 0 | 0 | 33 | 396 | 43 | 472 | 472 | 0 | 250 (31 Oct) | 57 | 25 | 4 Sep | 20 Nov | ||||
| 50. | Carrion Crow | 0 | 4 | 7 | 21 | 4 | 36 | 36 | 0 | 7 ( 2 Oct) | 32 | 14 | 31 Aug | 23 Nov | ||||
| 51. | Raven | 0 | 0 | 2 | 0 | 2 | 4 | 4 | 0 | 2 ( 7 Sep) | 5 | 2 | 7 Sep | 9 Nov | ||||
| 52. | Coal Tit | 0 | 0 | 14 | 4 | 0 | 18 | 14 | 4 | 14 (21 Sep) | 7 | 3 | 21 Sep | 9 Oct | ||||
| 53. | Blue Tit | 0 | 45 | 150 | 132 | 84 | 411 | 411 | 0 | 42 (18 Sep) | 66 | 29 | 21 Aug | 20 Nov | ||||
| 54. | Great Tit | 0 | 0 | 24 | 98 | 8 | 130 | 130 | 0 | 35 (20 Oct) | 39 | 17 | 4 Sep | 16 Nov | ||||
| 55. | Wood Lark | 0 | 0 | 0 | 10 | 6 | 16 | 10 | 6 | 7 (30 Oct) | 11 | 5 | 16 Oct | 16 Nov | ||||
| 56. | Skylark | 0 | 0 | 4 | 1333 | 45 | 1382 | 1380 | 2 | 818 (16 Oct) | 45 | 20 | 18 Sep | 20 Nov | ||||
| 57. | Sand Martin | 0 | 5 | 3 | 0 | 0 | 8 | 8 | 0 | 5 (31 Aug) | 7 | 3 | 31 Aug | 11 Sep | ||||
| 58. | Swallow | 0 | 473 | 912 | 57 | 0 | 1442 | 1419 | 23 | 356 (21 Sep) | 48 | 21 | 4 Aug | 9 Oct | ||||
| 59. | House Martin | 0 | 36 | 99 | 3 | 0 | 138 | 138 | 0 | 31 ( 9 Sep) | 30 | 13 | 21 Aug | 5 Oct | ||||
| 60. | Long-tailed Tit | 0 | 0 | 6 | 6 | 0 | 12 | 12 | 0 | 6 (25 Sep) | 5 | 2 | 25 Sep | 21 Oct | ||||
| Species | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Chiffchaff | 0 | 0 | 5 | 0 | 0 | 5 | 5 | 0 | 2 (18 Sep) | 7 | 3 | 9 Sep | 25 Sep | ||||
| 62. | Goldcrest | 0 | 0 | 0 | 67 | 1 | 68 | 68 | 0 | 18 (20 Oct) | 23 | 10 | 5 Oct | 2 Nov | ||||
| 63. | Starling | 2 | 189 | 1677 | 7519 | 1666 | 11053 | 10669 | 384 | 3397 (23 Oct) | 89 | 39 | 5 Jul | 23 Nov | ||||
| 64. | Song Thrush | 0 | 3 | 69 | 735 | 2 | 809 | 720 | 89 | 351 ( 5 Oct) | 57 | 25 | 21 Aug | 9 Nov | ||||
| 65. | Mistle Thrush | 0 | 0 | 5 | 7 | 1 | 13 | 8 | 5 | 5 (21 Sep) | 14 | 6 | 21 Sep | 6 Nov | ||||
| 66. | Redwing | 0 | 0 | 0 | 4913 | 394 | 5307 | 5251 | 56 | 2298 (16 Oct) | 45 | 20 | 2 Oct | 23 Nov | ||||
| 67. | Blackbird | 0 | 0 | 5 | 61 | 16 | 82 | 77 | 5 | 25 (30 Oct) | 43 | 19 | 9 Sep | 23 Nov | ||||
| 68. | Fieldfare | 0 | 0 | 0 | 1032 | 319 | 1351 | 1349 | 2 | 738 (30 Oct) | 30 | 13 | 5 Oct | 23 Nov | ||||
| 69. | thrush sp. | 0 | 0 | 4 | 0 | 10 | 14 | 14 | 0 | 10 ( 9 Nov) | 5 | 2 | 28 Sep | 9 Nov | ||||
| 70. | Spotted Flycatcher | 0 | 2 | 0 | 0 | 0 | 2 | 2 | 0 | 2 (24 Aug) | 2 | 1 | 24 Aug | 24 Aug | ||||
| 71. | Black Redstart | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (26 Aug) | 2 | 1 | 26 Aug | 26 Aug | ||||
| 72. | Tree Sparrow | 0 | 0 | 0 | 26 | 10 | 36 | 36 | 0 | 12 (16 Oct) | 9 | 4 | 5 Oct | 6 Nov | ||||
| 73. | Dunnock | 0 | 1 | 9 | 1 | 0 | 11 | 11 | 0 | 4 (25 Sep) | 14 | 6 | 31 Aug | 16 Oct | ||||
| 74. | Blue-headed Wagtail | 0 | 35 | 10 | 0 | 0 | 45 | 45 | 0 | 28 (24 Aug) | 14 | 6 | 21 Aug | 18 Sep | ||||
| 75. | Yellow wagtail sp. | 0 | 42 | 6 | 0 | 0 | 48 | 39 | 9 | 21 (31 Aug) | 14 | 6 | 10 Aug | 9 Sep | ||||
| 76. | Grey Wagtail | 0 | 0 | 7 | 13 | 0 | 20 | 20 | 0 | 3 (28 Sep) | 34 | 15 | 14 Sep | 27 Oct | ||||
| 77. | White Wagtail | 0 | 9 | 101 | 331 | 18 | 459 | 421 | 38 | 97 ( 2 Oct) | 75 | 33 | 21 Aug | 23 Nov | ||||
| 78. | Meadow Pipit | 0 | 10 | 715 | 1163 | 8 | 1896 | 1896 | 0 | 756 ( 2 Oct) | 61 | 27 | 21 Aug | 13 Nov | ||||
| 79. | Tree Pipit | 0 | 10 | 5 | 0 | 0 | 15 | 15 | 0 | 7 (28 Aug) | 11 | 5 | 24 Aug | 14 Sep | ||||
| 80. | Water Pipit | 0 | 0 | 0 | 3 | 2 | 5 | 5 | 0 | 1 (16 Oct) | 11 | 5 | 16 Oct | 23 Nov | ||||
| 81. | Rock Pipit/Water Pipit | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (21 Oct) | 2 | 1 | 21 Oct | 21 Oct | ||||
| 82. | Chaffinch | 0 | 14 | 177 | 4490 | 757 | 5438 | 5413 | 25 | 862 (20 Oct) | 77 | 34 | 24 Aug | 23 Nov | ||||
| 83. | Brambling | 0 | 0 | 0 | 104 | 27 | 131 | 130 | 1 | 37 (23 Oct) | 36 | 16 | 2 Oct | 16 Nov | ||||
| 84. | Hawfinch | 0 | 3 | 0 | 5 | 2 | 10 | 9 | 1 | 4 (20 Oct) | 11 | 5 | 21 Aug | 2 Nov | ||||
| 85. | Bullfinch | 0 | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 1 (20 Oct) | 5 | 2 | 20 Oct | 30 Oct | ||||
| 86. | Northern Bullfinch (trumpet call) | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 ( 6 Nov) | 2 | 1 | 6 Nov | 6 Nov | ||||
| 87. | Greenfinch | 3 | 8 | 22 | 59 | 24 | 116 | 115 | 1 | 12 (25 Sep) | 57 | 25 | 5 Jul | 23 Nov | ||||
| 88. | Linnet | 0 | 1 | 10 | 247 | 20 | 278 | 278 | 0 | 174 ( 9 Oct) | 25 | 11 | 7 Aug | 6 Nov | ||||
| 89. | redpoll sp. | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (20 Oct) | 2 | 1 | 20 Oct | 20 Oct | ||||
| 90. | Goldfinch | 0 | 32 | 48 | 155 | 89 | 324 | 304 | 20 | 58 (20 Oct) | 68 | 30 | 21 Aug | 23 Nov | ||||
| Species | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 91. | Siskin | 0 | 0 | 51 | 1292 | 397 | 1740 | 1693 | 47 | 441 ( 9 Oct) | 55 | 24 | 14 Sep | 23 Nov | ||||
| 92. | Reed Bunting | 0 | 0 | 5 | 73 | 2 | 80 | 80 | 0 | 27 (20 Oct) | 39 | 17 | 7 Sep | 23 Nov | ||||
| Other species | ||||||||||||||||||
| Species | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | white sp. (butterfly) | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (21 Sep) | 2 | 1 | 21 Sep | 21 Sep | ||||
| 2. | Red Admiral | 0 | 0 | 2 | 1 | 0 | 3 | 3 | 0 | 1 (21 Sep) | 7 | 3 | 21 Sep | 5 Oct | ||||
| Species | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 24 | 1526 | 6149 | 34394 | 7923 | 50016 | 47886 | 2130 | 100 | 44 | ||||||||
| Observation hours | 1:15 | 26:10 | 29:40 | 42:05 | 15:20 | 114:30 | ||||||||||||
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