Also present
Totals Opstalvallei 2020
| Species | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Greylag Goose | 0 | 416 | 52 | 468 | 461 | 7 | 155 (17 Oct) | 38 | 14 | 2 Oct | 23 Nov | ||||
| 2. | Anser sp. | 0 | 37 | 450 | 487 | 442 | 45 | 243 (23 Nov) | 27 | 10 | 18 Oct | 28 Nov | ||||
| 3. | goose sp. | 0 | 81 | 138 | 219 | 133 | 86 | 81 (17 Oct) | 8 | 3 | 17 Oct | 7 Nov | ||||
| 4. | Bean Goose sp. | 0 | 0 | 9 | 9 | 5 | 4 | 5 ( 8 Nov) | 5 | 2 | 8 Nov | 10 Nov | ||||
| 5. | Eurasian White-fronted Goose | 0 | 244 | 567 | 811 | 656 | 155 | 262 ( 4 Nov) | 43 | 16 | 10 Oct | 23 Nov | ||||
| 6. | Mute Swan | 0 | 3 | 0 | 3 | 3 | 0 | 3 (10 Oct) | 3 | 1 | 10 Oct | 10 Oct | ||||
| 7. | swan sp. | 0 | 0 | 2 | 2 | 2 | 0 | 2 ( 6 Nov) | 3 | 1 | 6 Nov | 6 Nov | ||||
| 8. | Egyptian Goose | 0 | 26 | 0 | 26 | 26 | 0 | 11 (10 Oct) | 8 | 3 | 10 Oct | 27 Oct | ||||
| 9. | Shelduck | 0 | 2 | 0 | 2 | 2 | 0 | 1 (19 Oct) | 5 | 2 | 19 Oct | 25 Oct | ||||
| 10. | Mallard | 0 | 21 | 9 | 30 | 30 | 0 | 10 (18 Oct) | 16 | 6 | 18 Oct | 9 Nov | ||||
| 11. | Stock Dove | 1 | 79 | 252 | 332 | 266 | 66 | 30 (21 Nov) | 92 | 34 | 19 Sep | 23 Nov | ||||
| 12. | Woodpigeon | 8 | 934 | 3198 | 4140 | 1510 | 2630 | 340 ( 6 Nov) | 100 | 37 | 19 Sep | 28 Nov | ||||
| 13. | Collared Dove | 0 | 4 | 0 | 4 | 4 | 0 | 4 (10 Oct) | 3 | 1 | 10 Oct | 10 Oct | ||||
| 14. | Lapwing | 0 | 32 | 95 | 127 | 127 | 0 | 20 ( 3 Oct) | 46 | 17 | 3 Oct | 22 Nov | ||||
| 15. | Green Sandpiper | 0 | 1 | 0 | 1 | 1 | 0 | 1 (19 Oct) | 3 | 1 | 19 Oct | 19 Oct | ||||
| 16. | wader sp. | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 2 Oct) | 3 | 1 | 2 Oct | 2 Oct | ||||
| 17. | Black-headed Gull | 0 | 98 | 1509 | 1607 | 1482 | 125 | 330 ( 9 Nov) | 73 | 27 | 2 Oct | 28 Nov | ||||
| 18. | Common Gull | 0 | 27 | 263 | 290 | 268 | 22 | 37 (16 Nov) | 57 | 21 | 23 Oct | 28 Nov | ||||
| 19. | Herring Gull | 0 | 316 | 2451 | 2767 | 2646 | 121 | 447 (12 Nov) | 73 | 27 | 23 Oct | 28 Nov | ||||
| 20. | Great Black-backed Gull | 0 | 3 | 42 | 45 | 41 | 4 | 14 ( 2 Nov) | 51 | 19 | 18 Oct | 23 Nov | ||||
| 21. | Lesser Black-backed Gull | 0 | 1 | 7 | 8 | 7 | 1 | 4 ( 1 Nov) | 11 | 4 | 28 Oct | 17 Nov | ||||
| 22. | large gull sp. | 0 | 0 | 11 | 11 | 8 | 3 | 3 (16 Nov) | 19 | 7 | 9 Nov | 28 Nov | ||||
| 23. | Cormorant | 15 | 262 | 60 | 337 | 337 | 0 | 67 (10 Oct) | 54 | 20 | 19 Sep | 28 Nov | ||||
| 24. | Spoonbill | 1 | 11 | 0 | 12 | 12 | 0 | 11 (17 Oct) | 5 | 2 | 19 Sep | 17 Oct | ||||
| 25. | Great White Egret | 0 | 22 | 9 | 31 | 31 | 0 | 9 ( 2 Oct) | 38 | 14 | 2 Oct | 23 Nov | ||||
| 26. | heron sp. | 0 | 0 | 2 | 2 | 2 | 0 | 2 ( 7 Nov) | 3 | 1 | 7 Nov | 7 Nov | ||||
| 27. | Grey Heron | 0 | 3 | 14 | 17 | 17 | 0 | 6 ( 5 Nov) | 27 | 10 | 2 Oct | 15 Nov | ||||
| 28. | Osprey | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 2 Oct) | 3 | 1 | 2 Oct | 2 Oct | ||||
| 29. | Sparrowhawk | 1 | 58 | 19 | 78 | 75 | 3 | 17 (10 Oct) | 51 | 19 | 19 Sep | 15 Nov | ||||
| 30. | Hen Harrier | 0 | 1 | 0 | 1 | 1 | 0 | 1 (31 Oct) | 3 | 1 | 31 Oct | 31 Oct | ||||
| Species | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Common Buzzard | 0 | 30 | 8 | 38 | 38 | 0 | 10 (28 Oct) | 38 | 14 | 2 Oct | 19 Nov | ||||
| 32. | Great Spotted Woodpecker | 1 | 21 | 10 | 32 | 31 | 1 | 5 (17 Oct) | 49 | 18 | 19 Sep | 21 Nov | ||||
| 33. | Green Woodpecker | 0 | 1 | 0 | 1 | 1 | 0 | 1 (18 Oct) | 3 | 1 | 18 Oct | 18 Oct | ||||
| 34. | Kestrel | 0 | 9 | 1 | 10 | 10 | 0 | 3 (24 Oct) | 16 | 6 | 2 Oct | 6 Nov | ||||
| 35. | Merlin | 0 | 2 | 1 | 3 | 3 | 0 | 1 (17 Oct) | 8 | 3 | 17 Oct | 7 Nov | ||||
| 36. | Jay | 0 | 13 | 0 | 13 | 13 | 0 | 9 (10 Oct) | 5 | 2 | 10 Oct | 26 Oct | ||||
| 37. | Jackdaw | 0 | 558 | 453 | 1011 | 798 | 213 | 253 (17 Oct) | 73 | 27 | 2 Oct | 28 Nov | ||||
| 38. | Rook | 0 | 6 | 2 | 8 | 8 | 0 | 4 (28 Oct) | 8 | 3 | 25 Oct | 5 Nov | ||||
| 39. | Carrion Crow | 0 | 31 | 25 | 56 | 46 | 10 | 16 (28 Oct) | 19 | 7 | 23 Oct | 3 Nov | ||||
| 40. | Blue Tit | 6 | 196 | 210 | 412 | 412 | 0 | 69 ( 7 Nov) | 78 | 29 | 19 Sep | 28 Nov | ||||
| 41. | Great Tit | 0 | 23 | 6 | 29 | 29 | 0 | 14 (17 Oct) | 24 | 9 | 2 Oct | 9 Nov | ||||
| 42. | Parus (tit) sp. | 0 | 30 | 1 | 31 | 31 | 0 | 30 (17 Oct) | 5 | 2 | 17 Oct | 8 Nov | ||||
| 43. | Wood Lark | 1 | 77 | 27 | 105 | 105 | 0 | 30 (10 Oct) | 35 | 13 | 19 Sep | 13 Nov | ||||
| 44. | Skylark | 0 | 76 | 146 | 222 | 222 | 0 | 50 (18 Oct) | 43 | 16 | 2 Oct | 20 Nov | ||||
| 45. | lark sp. | 0 | 6 | 0 | 6 | 6 | 0 | 6 (10 Oct) | 3 | 1 | 10 Oct | 10 Oct | ||||
| 46. | Swallow | 6 | 27 | 0 | 33 | 33 | 0 | 15 (10 Oct) | 11 | 4 | 19 Sep | 12 Oct | ||||
| 47. | Yellow-browed Warbler | 0 | 0 | 1 | 1 | 1 | 0 | 1 ( 4 Nov) | 3 | 1 | 4 Nov | 4 Nov | ||||
| 48. | Starling | 0 | 4731 | 4638 | 9369 | 9361 | 8 | 1174 ( 1 Nov) | 95 | 35 | 2 Oct | 28 Nov | ||||
| 49. | Song Thrush | 0 | 302 | 54 | 356 | 356 | 0 | 148 ( 2 Oct) | 65 | 24 | 2 Oct | 15 Nov | ||||
| 50. | Mistle Thrush | 0 | 11 | 11 | 22 | 19 | 3 | 6 (18 Oct) | 32 | 12 | 2 Oct | 13 Nov | ||||
| 51. | Redwing | 0 | 1622 | 2289 | 3911 | 3893 | 18 | 986 ( 1 Nov) | 84 | 31 | 3 Oct | 28 Nov | ||||
| 52. | Blackbird | 0 | 18 | 24 | 42 | 42 | 0 | 17 ( 8 Nov) | 30 | 11 | 2 Oct | 10 Nov | ||||
| 53. | Fieldfare | 0 | 850 | 4295 | 5145 | 5144 | 1 | 1322 (19 Nov) | 84 | 31 | 12 Oct | 28 Nov | ||||
| 54. | thrush sp. | 0 | 92 | 105 | 197 | 197 | 0 | 40 (15 Nov) | 46 | 17 | 10 Oct | 21 Nov | ||||
| 55. | Wheatear | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 3 Oct) | 3 | 1 | 3 Oct | 3 Oct | ||||
| 56. | Tree Sparrow | 0 | 21 | 0 | 21 | 21 | 0 | 12 (12 Oct) | 8 | 3 | 10 Oct | 31 Oct | ||||
| 57. | Dunnock | 0 | 30 | 12 | 42 | 42 | 0 | 13 ( 2 Oct) | 38 | 14 | 2 Oct | 10 Nov | ||||
| 58. | Blue-headed Wagtail | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 2 Oct) | 3 | 1 | 2 Oct | 2 Oct | ||||
| 59. | Grey Wagtail | 5 | 12 | 9 | 26 | 25 | 1 | 6 ( 2 Oct) | 38 | 14 | 19 Sep | 9 Nov | ||||
| 60. | White Wagtail | 4 | 97 | 41 | 142 | 142 | 0 | 40 (10 Oct) | 70 | 26 | 19 Sep | 23 Nov | ||||
| Species | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Meadow Pipit | 0 | 223 | 77 | 300 | 300 | 0 | 68 (10 Oct) | 81 | 30 | 2 Oct | 28 Nov | ||||
| 62. | Tree Pipit | 0 | 3 | 0 | 3 | 3 | 0 | 2 ( 3 Oct) | 5 | 2 | 2 Oct | 3 Oct | ||||
| 63. | pipit sp. | 0 | 1 | 1 | 2 | 2 | 0 | 1 ( 3 Oct) | 5 | 2 | 3 Oct | 23 Nov | ||||
| 64. | Chaffinch | 4 | 14919 | 2440 | 17363 | 17359 | 4 | 5394 (10 Oct) | 89 | 33 | 19 Sep | 28 Nov | ||||
| 65. | Brambling | 0 | 75 | 63 | 138 | 138 | 0 | 42 (26 Oct) | 59 | 22 | 2 Oct | 28 Nov | ||||
| 66. | finch sp. | 0 | 222 | 380 | 602 | 602 | 0 | 110 (26 Oct) | 65 | 24 | 3 Oct | 23 Nov | ||||
| 67. | Chaffinch/Brambling | 0 | 0 | 1187 | 1187 | 1187 | 0 | 670 ( 3 Nov) | 11 | 4 | 3 Nov | 7 Nov | ||||
| 68. | Hawfinch | 0 | 25 | 14 | 39 | 39 | 0 | 6 (28 Oct) | 38 | 14 | 10 Oct | 12 Nov | ||||
| 69. | Bullfinch | 0 | 0 | 1 | 1 | 1 | 0 | 1 (16 Nov) | 3 | 1 | 16 Nov | 16 Nov | ||||
| 70. | Greenfinch | 0 | 157 | 208 | 365 | 364 | 1 | 53 (26 Oct) | 86 | 32 | 2 Oct | 23 Nov | ||||
| 71. | Linnet | 1 | 22 | 2 | 25 | 25 | 0 | 12 (26 Oct) | 22 | 8 | 19 Sep | 2 Nov | ||||
| 72. | redpoll sp. | 0 | 9 | 7 | 16 | 16 | 0 | 4 (17 Oct) | 24 | 9 | 17 Oct | 14 Nov | ||||
| 73. | Goldfinch | 0 | 101 | 110 | 211 | 211 | 0 | 46 (27 Oct) | 81 | 30 | 2 Oct | 22 Nov | ||||
| 74. | Serin | 0 | 0 | 1 | 1 | 1 | 0 | 1 ( 9 Nov) | 3 | 1 | 9 Nov | 9 Nov | ||||
| 75. | Siskin | 2 | 605 | 225 | 832 | 831 | 1 | 200 (26 Oct) | 78 | 29 | 19 Sep | 22 Nov | ||||
| 76. | Reed Bunting | 0 | 65 | 87 | 152 | 152 | 0 | 16 (27 Oct) | 84 | 31 | 2 Oct | 28 Nov | ||||
| 77. | bunting sp. | 0 | 0 | 5 | 5 | 5 | 0 | 4 ( 8 Nov) | 5 | 2 | 8 Nov | 20 Nov | ||||
| 78. | passerine sp. | 0 | 0 | 13 | 13 | 13 | 0 | 5 ( 7 Nov) | 11 | 4 | 4 Nov | 12 Nov | ||||
| Species | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 56 | 28005 | 26349 | 54410 | 50877 | 3533 | 100 | 37 | ||||||||
| Observation hours | 2:34 | 38:54 | 44:20 | 85:48 | ||||||||||||
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