Also present
Totals Zweefvliegveld Maldens Vlak (vh Mulderskop) 2021
| Species | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Canada Goose | 0 | 1 | 4 | 81 | 0 | 86 | 14 | 72 | 50 (24 Oct) | 8 | 6 | 30 Aug | 24 Oct | ||||
| 2. | Greylag Goose | 0 | 41 | 508 | 607 | 151 | 1307 | 929 | 378 | 134 (19 Sep) | 75 | 54 | 24 Aug | 11 Nov | ||||
| 3. | Tundra Bean Goose | 0 | 0 | 31 | 690 | 71 | 792 | 707 | 85 | 169 (24 Oct) | 28 | 20 | 21 Sep | 5 Nov | ||||
| 4. | Eurasian White-fronted Goose | 0 | 0 | 928 | 2831 | 1007 | 4766 | 3728 | 1038 | 1321 ( 8 Oct) | 47 | 34 | 19 Sep | 11 Nov | ||||
| 5. | Mute Swan | 0 | 0 | 8 | 3 | 3 | 14 | 11 | 3 | 5 (14 Sep) | 6 | 4 | 1 Sep | 10 Nov | ||||
| 6. | Egyptian Goose | 0 | 21 | 26 | 38 | 45 | 130 | 88 | 42 | 17 (30 Aug) | 32 | 23 | 26 Aug | 11 Nov | ||||
| 7. | Ruddy Shelduck | 0 | 0 | 2 | 0 | 0 | 2 | 2 | 0 | 2 (26 Sep) | 1 | 1 | 26 Sep | 26 Sep | ||||
| 8. | Mallard | 0 | 3 | 2 | 0 | 0 | 5 | 2 | 3 | 3 (25 Aug) | 3 | 2 | 25 Aug | 17 Sep | ||||
| 9. | Goosander | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 2 Oct) | 1 | 1 | 2 Oct | 2 Oct | ||||
| 10. | Swift | 134 | 16 | 8 | 0 | 0 | 158 | 158 | 0 | 134 (24 Jul) | 10 | 7 | 24 Jul | 1 Sep | ||||
| 11. | Stock Dove | 0 | 10 | 48 | 524 | 66 | 648 | 648 | 0 | 97 (24 Oct) | 65 | 47 | 19 Aug | 10 Nov | ||||
| 12. | Woodpigeon | 2 | 7 | 152 | 113325 | 3794 | 117280 | 117272 | 8 | 42032 (24 Oct) | 83 | 60 | 24 Jul | 16 Nov | ||||
| 13. | Collared Dove | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 9 Oct) | 1 | 1 | 9 Oct | 9 Oct | ||||
| 14. | Grey Plover | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (25 Aug) | 1 | 1 | 25 Aug | 25 Aug | ||||
| 15. | Lapwing | 0 | 0 | 0 | 1910 | 44 | 1954 | 1952 | 2 | 927 (29 Oct) | 11 | 8 | 8 Oct | 7 Nov | ||||
| 16. | Woodcock | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (30 Oct) | 1 | 1 | 30 Oct | 30 Oct | ||||
| 17. | Snipe | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (18 Sep) | 1 | 1 | 18 Sep | 18 Sep | ||||
| 18. | Black-headed Gull | 0 | 0 | 1 | 157 | 36 | 194 | 192 | 2 | 72 (28 Oct) | 18 | 13 | 19 Sep | 6 Nov | ||||
| 19. | Caspian Gull | 0 | 0 | 0 | 1 | 2 | 3 | 3 | 0 | 2 ( 6 Nov) | 3 | 2 | 24 Oct | 6 Nov | ||||
| 20. | Herring Gull | 0 | 1 | 2 | 4 | 8 | 15 | 15 | 0 | 3 (12 Oct) | 11 | 8 | 22 Aug | 9 Nov | ||||
| 21. | Lesser Black-backed Gull | 0 | 4 | 4 | 1 | 0 | 9 | 6 | 3 | 3 (10 Sep) | 7 | 5 | 22 Aug | 29 Oct | ||||
| 22. | White Stork | 0 | 298 | 76 | 8 | 0 | 382 | 382 | 0 | 298 (23 Aug) | 10 | 7 | 23 Aug | 9 Oct | ||||
| 23. | Cormorant | 0 | 138 | 289 | 831 | 91 | 1349 | 1334 | 15 | 134 (24 Oct) | 81 | 58 | 20 Aug | 10 Nov | ||||
| 24. | Great White Egret | 0 | 5 | 12 | 52 | 1 | 70 | 64 | 6 | 12 ( 8 Oct) | 36 | 26 | 23 Aug | 6 Nov | ||||
| 25. | Grey Heron | 1 | 15 | 16 | 13 | 1 | 46 | 41 | 5 | 11 (23 Aug) | 29 | 21 | 24 Jul | 6 Nov | ||||
| 26. | Purple Heron | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 ( 5 Sep) | 1 | 1 | 5 Sep | 5 Sep | ||||
| 27. | Osprey | 0 | 1 | 4 | 0 | 1 | 6 | 6 | 0 | 2 (14 Sep) | 6 | 4 | 27 Aug | 9 Nov | ||||
| 28. | Honey Buzzard | 0 | 11 | 2 | 0 | 0 | 13 | 13 | 0 | 4 (23 Aug) | 10 | 7 | 20 Aug | 22 Sep | ||||
| 29. | Sparrowhawk | 0 | 2 | 19 | 188 | 26 | 235 | 235 | 0 | 35 (31 Oct) | 54 | 39 | 23 Aug | 9 Nov | ||||
| 30. | Marsh Harrier | 0 | 8 | 17 | 5 | 1 | 31 | 31 | 0 | 4 (14 Sep) | 28 | 20 | 22 Aug | 2 Nov | ||||
| Species | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Hen Harrier | 0 | 0 | 0 | 8 | 10 | 18 | 17 | 1 | 4 ( 5 Nov) | 15 | 11 | 8 Oct | 9 Nov | ||||
| 32. | Montagu's/Pallid Harrier | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (27 Aug) | 1 | 1 | 27 Aug | 27 Aug | ||||
| 33. | Red Kite | 0 | 0 | 2 | 5 | 0 | 7 | 7 | 0 | 1 (26 Sep) | 10 | 7 | 26 Sep | 31 Oct | ||||
| 34. | Common Buzzard | 0 | 1 | 20 | 697 | 62 | 780 | 780 | 0 | 150 (24 Oct) | 56 | 40 | 22 Aug | 10 Nov | ||||
| 35. | Great Spotted Woodpecker | 0 | 0 | 15 | 10 | 9 | 34 | 34 | 0 | 2 (10 Sep) | 39 | 28 | 7 Sep | 9 Nov | ||||
| 36. | Kestrel | 1 | 1 | 8 | 8 | 1 | 19 | 19 | 0 | 2 (26 Sep) | 22 | 16 | 24 Jul | 1 Nov | ||||
| 37. | Merlin | 0 | 0 | 0 | 4 | 0 | 4 | 4 | 0 | 1 ( 2 Oct) | 6 | 4 | 2 Oct | 18 Oct | ||||
| 38. | Hobby | 0 | 2 | 6 | 1 | 0 | 9 | 8 | 1 | 1 (22 Aug) | 13 | 9 | 22 Aug | 17 Oct | ||||
| 39. | Peregrine | 0 | 0 | 1 | 5 | 0 | 6 | 6 | 0 | 1 (26 Sep) | 8 | 6 | 26 Sep | 22 Oct | ||||
| 40. | Great Grey Shrike | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (28 Oct) | 1 | 1 | 28 Oct | 28 Oct | ||||
| 41. | Jay | 0 | 0 | 1697 | 628 | 0 | 2325 | 1738 | 587 | 377 (30 Sep) | 51 | 37 | 9 Sep | 29 Oct | ||||
| 42. | Magpie | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 (13 Sep) | 1 | 1 | 13 Sep | 13 Sep | ||||
| 43. | Jackdaw | 0 | 3 | 159 | 1377 | 84 | 1623 | 1608 | 15 | 359 ( 9 Oct) | 58 | 42 | 20 Aug | 10 Nov | ||||
| 44. | Rook | 0 | 0 | 9 | 104 | 13 | 126 | 126 | 0 | 29 (31 Oct) | 35 | 25 | 14 Sep | 10 Nov | ||||
| 45. | Carrion Crow | 0 | 3 | 25 | 91 | 19 | 138 | 138 | 0 | 12 (28 Oct) | 54 | 39 | 31 Aug | 10 Nov | ||||
| 46. | Coal Tit | 0 | 0 | 4 | 23 | 9 | 36 | 36 | 0 | 9 ( 2 Nov) | 17 | 12 | 21 Sep | 2 Nov | ||||
| 47. | Blue Tit | 0 | 0 | 0 | 115 | 115 | 230 | 230 | 0 | 93 ( 2 Nov) | 18 | 13 | 11 Oct | 8 Nov | ||||
| 48. | Great Tit | 0 | 5 | 0 | 57 | 19 | 81 | 81 | 0 | 17 ( 2 Nov) | 19 | 14 | 31 Aug | 8 Nov | ||||
| 49. | Wood Lark | 0 | 0 | 21 | 278 | 73 | 372 | 372 | 0 | 58 ( 2 Nov) | 39 | 28 | 16 Sep | 8 Nov | ||||
| 50. | Skylark | 0 | 0 | 14 | 11887 | 817 | 12718 | 12718 | 0 | 4628 (29 Oct) | 50 | 36 | 26 Sep | 10 Nov | ||||
| 51. | Sand Martin | 0 | 0 | 2 | 0 | 0 | 2 | 2 | 0 | 2 (18 Sep) | 1 | 1 | 18 Sep | 18 Sep | ||||
| 52. | Swallow | 3 | 691 | 4768 | 1875 | 0 | 7337 | 7300 | 37 | 1026 ( 5 Oct) | 64 | 46 | 24 Jul | 24 Oct | ||||
| 53. | House Martin | 1 | 35 | 551 | 2 | 0 | 589 | 589 | 0 | 262 ( 1 Sep) | 29 | 21 | 24 Jul | 1 Oct | ||||
| 54. | Long-tailed Tit | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 ( 2 Nov) | 1 | 1 | 2 Nov | 2 Nov | ||||
| 55. | Starling | 0 | 197 | 917 | 32564 | 19217 | 52895 | 52725 | 170 | 14174 ( 2 Nov) | 86 | 62 | 19 Aug | 11 Nov | ||||
| 56. | Song Thrush | 0 | 1 | 297 | 1008 | 5 | 1311 | 1310 | 1 | 238 ( 8 Oct) | 60 | 43 | 31 Aug | 10 Nov | ||||
| 57. | Mistle Thrush | 0 | 0 | 44 | 94 | 17 | 155 | 155 | 0 | 13 ( 2 Nov) | 38 | 27 | 3 Sep | 9 Nov | ||||
| 58. | Redwing | 0 | 0 | 6 | 14728 | 872 | 15606 | 15562 | 44 | 5955 (25 Oct) | 49 | 35 | 26 Sep | 11 Nov | ||||
| 59. | Blackbird | 0 | 0 | 9 | 46 | 26 | 81 | 81 | 0 | 10 (29 Oct) | 36 | 26 | 25 Sep | 11 Nov | ||||
| 60. | Fieldfare | 0 | 0 | 0 | 548 | 1216 | 1764 | 1764 | 0 | 722 ( 5 Nov) | 28 | 20 | 11 Oct | 11 Nov | ||||
| Species | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Ring Ouzel | 0 | 0 | 0 | 8 | 0 | 8 | 8 | 0 | 2 (14 Oct) | 8 | 6 | 7 Oct | 30 Oct | ||||
| 62. | Wheatear | 0 | 0 | 2 | 1 | 0 | 3 | 3 | 0 | 1 (18 Sep) | 4 | 3 | 18 Sep | 2 Oct | ||||
| 63. | Tree Sparrow | 0 | 0 | 10 | 16 | 3 | 29 | 29 | 0 | 8 (18 Oct) | 11 | 8 | 28 Sep | 11 Nov | ||||
| 64. | Dunnock | 0 | 1 | 21 | 64 | 3 | 89 | 89 | 0 | 13 (18 Oct) | 40 | 29 | 24 Aug | 9 Nov | ||||
| 65. | Blue-headed Wagtail | 0 | 123 | 157 | 0 | 0 | 280 | 280 | 0 | 44 (22 Aug) | 42 | 30 | 19 Aug | 27 Sep | ||||
| 66. | Grey Wagtail | 0 | 0 | 3 | 10 | 1 | 14 | 14 | 0 | 4 ( 9 Oct) | 14 | 10 | 20 Sep | 2 Nov | ||||
| 67. | White Wagtail | 0 | 24 | 478 | 651 | 12 | 1165 | 1165 | 0 | 149 (27 Sep) | 82 | 59 | 20 Aug | 9 Nov | ||||
| 68. | Tawny Pipit | 0 | 1 | 1 | 0 | 0 | 2 | 2 | 0 | 1 (22 Aug) | 3 | 2 | 22 Aug | 10 Sep | ||||
| 69. | Meadow Pipit | 0 | 3 | 2830 | 3295 | 75 | 6203 | 6203 | 0 | 1388 (27 Sep) | 69 | 50 | 30 Aug | 11 Nov | ||||
| 70. | Tree Pipit | 0 | 44 | 120 | 3 | 0 | 167 | 167 | 0 | 16 (14 Sep) | 44 | 32 | 19 Aug | 9 Oct | ||||
| 71. | Red-throated Pipit | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 9 Oct) | 1 | 1 | 9 Oct | 9 Oct | ||||
| 72. | Water Pipit | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (31 Oct) | 1 | 1 | 31 Oct | 31 Oct | ||||
| 73. | Chaffinch | 0 | 3 | 2727 | 98564 | 6025 | 107319 | 107319 | 0 | 22205 (25 Oct) | 79 | 57 | 24 Aug | 16 Nov | ||||
| 74. | Brambling | 0 | 0 | 10 | 8758 | 1182 | 9950 | 9950 | 0 | 2593 (25 Oct) | 56 | 40 | 20 Sep | 11 Nov | ||||
| 75. | Hawfinch | 0 | 1 | 5 | 50 | 13 | 69 | 69 | 0 | 10 (31 Oct) | 31 | 22 | 22 Aug | 9 Nov | ||||
| 76. | Bullfinch | 0 | 0 | 1 | 15 | 15 | 31 | 31 | 0 | 3 (25 Oct) | 24 | 17 | 13 Sep | 11 Nov | ||||
| 77. | Northern Bullfinch | 0 | 0 | 0 | 3 | 3 | 6 | 6 | 0 | 3 (31 Oct) | 4 | 3 | 31 Oct | 9 Nov | ||||
| 78. | Northern Bullfinch (trumpet call) | 0 | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 1 (24 Oct) | 3 | 2 | 24 Oct | 29 Oct | ||||
| 79. | Greenfinch | 0 | 0 | 28 | 66 | 16 | 110 | 110 | 0 | 11 (18 Oct) | 54 | 39 | 3 Sep | 11 Nov | ||||
| 80. | Linnet | 0 | 5 | 542 | 2159 | 212 | 2918 | 2917 | 1 | 376 (27 Sep) | 72 | 52 | 19 Aug | 11 Nov | ||||
| 81. | redpoll sp. | 0 | 0 | 0 | 6 | 12 | 18 | 18 | 0 | 8 ( 9 Nov) | 13 | 9 | 9 Oct | 9 Nov | ||||
| 82. | Crossbill | 2 | 2 | 107 | 159 | 56 | 326 | 309 | 17 | 51 (27 Sep) | 47 | 34 | 24 Jul | 11 Nov | ||||
| 83. | Goldfinch | 0 | 1 | 11 | 43 | 7 | 62 | 62 | 0 | 11 ( 5 Oct) | 26 | 19 | 23 Aug | 10 Nov | ||||
| 84. | Serin | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (20 Oct) | 1 | 1 | 20 Oct | 20 Oct | ||||
| 85. | Siskin | 0 | 2 | 84 | 3621 | 596 | 4303 | 4303 | 0 | 631 (25 Oct) | 65 | 47 | 19 Aug | 11 Nov | ||||
| 86. | Yellowhammer | 0 | 0 | 0 | 4 | 3 | 7 | 7 | 0 | 2 (31 Oct) | 8 | 6 | 9 Oct | 16 Nov | ||||
| 87. | Ortolan Bunting | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (24 Aug) | 1 | 1 | 24 Aug | 24 Aug | ||||
| 88. | Reed Bunting | 0 | 0 | 28 | 358 | 92 | 478 | 478 | 0 | 57 ( 2 Nov) | 61 | 44 | 17 Sep | 11 Nov | ||||
| Other species | ||||||||||||||||||
| Species | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark Clouded Yellow | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (24 Oct) | 1 | 1 | 24 Oct | 24 Oct | ||||
| 2. | European Peacock | 0 | 0 | 43 | 25 | 3 | 71 | 66 | 5 | 24 (14 Sep) | 15 | 11 | 3 Sep | 9 Nov | ||||
| 3. | Green-veined White | 0 | 2 | 0 | 0 | 0 | 2 | 2 | 0 | 2 (23 Aug) | 1 | 1 | 23 Aug | 23 Aug | ||||
| 4. | Small White | 0 | 6 | 0 | 0 | 0 | 6 | 6 | 0 | 6 (23 Aug) | 1 | 1 | 23 Aug | 23 Aug | ||||
| 5. | white sp. (butterfly) | 0 | 3 | 61 | 3 | 0 | 67 | 67 | 0 | 22 ( 3 Sep) | 15 | 11 | 30 Aug | 9 Oct | ||||
| 6. | Red Admiral | 0 | 60 | 1251 | 204 | 0 | 1515 | 1515 | 0 | 383 (14 Sep) | 46 | 33 | 23 Aug | 28 Oct | ||||
| Species | Jul | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 144 | 1805 | 19257 | 305528 | 36262 | 362996 | 360454 | 2542 | 100 | 72 | ||||||||
| Observation hours | 2:00 | 37:47 | 104:01 | 118:17 | 36:09 | 298:14 | ||||||||||||
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