Totals Opstalvallei 2016
| Year | |
| Period | |
| count-field | |
| Also present | |
| Species | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Greylag Goose | 0 | 408 | 84 | 492 | 492 | 0 | 122 ( 5 Oct) | 47 | 17 | 5 Oct | 6 Nov | ||||
| 2. | Anser sp. | 0 | 993 | 52 | 1045 | 1045 | 0 | 474 ( 6 Oct) | 22 | 8 | 5 Oct | 1 Nov | ||||
| 3. | Tundra Bean Goose | 0 | 72 | 31 | 103 | 103 | 0 | 72 (31 Oct) | 6 | 2 | 31 Oct | 1 Nov | ||||
| 4. | Eurasian White-fronted Goose | 0 | 3130 | 54 | 3184 | 3184 | 0 | 649 ( 6 Oct) | 56 | 20 | 5 Oct | 6 Nov | ||||
| 5. | Mute Swan | 9 | 0 | 0 | 9 | 9 | 0 | 9 (24 Sep) | 3 | 1 | 24 Sep | 24 Sep | ||||
| 6. | Bewick's Swan | 0 | 2 | 12 | 14 | 14 | 0 | 12 ( 5 Nov) | 6 | 2 | 22 Oct | 5 Nov | ||||
| 7. | Egyptian Goose | 0 | 96 | 0 | 96 | 96 | 0 | 59 ( 8 Oct) | 11 | 4 | 6 Oct | 31 Oct | ||||
| 8. | Wigeon | 0 | 2 | 0 | 2 | 2 | 0 | 2 ( 5 Oct) | 3 | 1 | 5 Oct | 5 Oct | ||||
| 9. | Pintail | 2 | 0 | 0 | 2 | 2 | 0 | 2 (18 Sep) | 3 | 1 | 18 Sep | 18 Sep | ||||
| 10. | Goldeneye | 0 | 1 | 0 | 1 | 1 | 0 | 1 (30 Oct) | 3 | 1 | 30 Oct | 30 Oct | ||||
| 11. | Stock Dove | 0 | 34 | 7 | 41 | 41 | 0 | 10 (22 Oct) | 36 | 13 | 1 Oct | 6 Nov | ||||
| 12. | Woodpigeon | 0 | 495 | 133 | 628 | 628 | 0 | 141 (16 Oct) | 47 | 17 | 1 Oct | 6 Nov | ||||
| 13. | Collared Dove | 2 | 8 | 8 | 18 | 18 | 0 | 7 ( 1 Nov) | 19 | 7 | 24 Sep | 3 Nov | ||||
| 14. | Lapwing | 122 | 553 | 17 | 692 | 692 | 0 | 198 (16 Oct) | 58 | 21 | 18 Sep | 6 Nov | ||||
| 15. | Curlew | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 5 Oct) | 3 | 1 | 5 Oct | 5 Oct | ||||
| 16. | Snipe | 8 | 4 | 1 | 13 | 13 | 0 | 7 (25 Sep) | 19 | 7 | 18 Sep | 5 Nov | ||||
| 17. | Green Sandpiper | 0 | 2 | 0 | 2 | 2 | 0 | 2 (11 Oct) | 3 | 1 | 11 Oct | 11 Oct | ||||
| 18. | Mediterranean Gull | 3 | 2 | 0 | 5 | 5 | 0 | 1 ( 3 Sep) | 14 | 5 | 3 Sep | 11 Oct | ||||
| 19. | Common Gull | 0 | 2 | 0 | 2 | 2 | 0 | 2 ( 6 Oct) | 3 | 1 | 6 Oct | 6 Oct | ||||
| 20. | Great Black-backed Gull | 2 | 1 | 1 | 4 | 4 | 0 | 1 (18 Sep) | 11 | 4 | 18 Sep | 6 Nov | ||||
| 21. | White Stork | 0 | 1 | 0 | 1 | 1 | 0 | 1 (16 Oct) | 3 | 1 | 16 Oct | 16 Oct | ||||
| 22. | Cormorant | 606 | 2674 | 351 | 3631 | 3631 | 0 | 1259 (20 Oct) | 61 | 22 | 10 Sep | 5 Nov | ||||
| 23. | Spoonbill | 3 | 0 | 0 | 3 | 3 | 0 | 3 ( 3 Sep) | 3 | 1 | 3 Sep | 3 Sep | ||||
| 24. | Little Egret | 0 | 1 | 0 | 1 | 1 | 0 | 1 (12 Oct) | 3 | 1 | 12 Oct | 12 Oct | ||||
| 25. | Great White Egret | 6 | 41 | 3 | 50 | 50 | 0 | 17 (16 Oct) | 39 | 14 | 10 Sep | 1 Nov | ||||
| 26. | Grey Heron | 7 | 4 | 0 | 11 | 11 | 0 | 5 (18 Sep) | 11 | 4 | 10 Sep | 8 Oct | ||||
| 27. | Purple Heron | 1 | 0 | 0 | 1 | 1 | 0 | 1 ( 3 Sep) | 3 | 1 | 3 Sep | 3 Sep | ||||
| 28. | Osprey | 1 | 0 | 0 | 1 | 1 | 0 | 1 ( 3 Sep) | 3 | 1 | 3 Sep | 3 Sep | ||||
| 29. | Honey Buzzard | 4 | 0 | 0 | 4 | 4 | 0 | 1 ( 3 Sep) | 11 | 4 | 3 Sep | 24 Sep | ||||
| 30. | Sparrowhawk | 3 | 27 | 4 | 34 | 34 | 0 | 8 ( 5 Oct) | 47 | 17 | 10 Sep | 6 Nov | ||||
| Species | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Goshawk | 0 | 2 | 0 | 2 | 2 | 0 | 1 ( 5 Oct) | 6 | 2 | 5 Oct | 11 Oct | ||||
| 32. | Marsh Harrier | 7 | 1 | 0 | 8 | 8 | 0 | 5 (17 Sep) | 11 | 4 | 10 Sep | 20 Oct | ||||
| 33. | Common Buzzard | 0 | 108 | 0 | 108 | 108 | 0 | 94 ( 5 Oct) | 8 | 3 | 5 Oct | 16 Oct | ||||
| 34. | Buzzard/Honey Buzzard | 1 | 0 | 0 | 1 | 1 | 0 | 1 (18 Sep) | 3 | 1 | 18 Sep | 18 Sep | ||||
| 35. | Great Spotted Woodpecker | 1 | 9 | 0 | 10 | 10 | 0 | 3 ( 1 Oct) | 22 | 8 | 25 Sep | 22 Oct | ||||
| 36. | Kestrel | 3 | 1 | 0 | 4 | 4 | 0 | 3 (18 Sep) | 6 | 2 | 18 Sep | 5 Oct | ||||
| 37. | Merlin | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 5 Oct) | 3 | 1 | 5 Oct | 5 Oct | ||||
| 38. | Peregrine | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 5 Oct) | 3 | 1 | 5 Oct | 5 Oct | ||||
| 39. | Jackdaw | 0 | 3852 | 240 | 4092 | 4092 | 0 | 1501 (31 Oct) | 47 | 17 | 1 Oct | 1 Nov | ||||
| 40. | Rook | 0 | 22 | 0 | 22 | 22 | 0 | 15 (16 Oct) | 8 | 3 | 16 Oct | 20 Oct | ||||
| 41. | Carrion Crow | 0 | 29 | 0 | 29 | 29 | 0 | 10 (23 Oct) | 17 | 6 | 1 Oct | 26 Oct | ||||
| 42. | Coal Tit | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 6 Oct) | 3 | 1 | 6 Oct | 6 Oct | ||||
| 43. | Blue Tit | 0 | 2 | 0 | 2 | 2 | 0 | 2 (23 Oct) | 3 | 1 | 23 Oct | 23 Oct | ||||
| 44. | Penduline Tit | 2 | 0 | 0 | 2 | 2 | 0 | 2 (17 Sep) | 3 | 1 | 17 Sep | 17 Sep | ||||
| 45. | Bearded Tit | 0 | 5 | 0 | 5 | 5 | 0 | 5 (16 Oct) | 3 | 1 | 16 Oct | 16 Oct | ||||
| 46. | Wood Lark | 6 | 157 | 1 | 164 | 164 | 0 | 53 (17 Oct) | 47 | 17 | 24 Sep | 3 Nov | ||||
| 47. | Skylark | 0 | 5769 | 2 | 5771 | 5771 | 0 | 5076 (16 Oct) | 58 | 21 | 5 Oct | 5 Nov | ||||
| 48. | Sand Martin | 22 | 1 | 0 | 23 | 23 | 0 | 13 (10 Sep) | 11 | 4 | 3 Sep | 6 Oct | ||||
| 49. | Swallow | 281 | 40 | 0 | 321 | 321 | 0 | 87 (10 Sep) | 33 | 12 | 3 Sep | 16 Oct | ||||
| 50. | House Martin | 6 | 3 | 0 | 9 | 9 | 0 | 6 ( 4 Sep) | 8 | 3 | 4 Sep | 9 Oct | ||||
| 51. | Chiffchaff | 0 | 1 | 0 | 1 | 1 | 0 | 1 (16 Oct) | 3 | 1 | 16 Oct | 16 Oct | ||||
| 52. | Starling | 458 | 17863 | 2186 | 20507 | 20507 | 0 | 3194 (17 Oct) | 92 | 33 | 17 Sep | 6 Nov | ||||
| 53. | Song Thrush | 66 | 2102 | 7 | 2175 | 2175 | 0 | 1190 ( 5 Oct) | 86 | 31 | 17 Sep | 3 Nov | ||||
| 54. | Mistle Thrush | 0 | 78 | 1 | 79 | 79 | 0 | 19 (17 Oct) | 36 | 13 | 1 Oct | 1 Nov | ||||
| 55. | Redwing | 0 | 6514 | 339 | 6853 | 6853 | 0 | 2763 (20 Oct) | 75 | 27 | 5 Oct | 6 Nov | ||||
| 56. | Blackbird | 0 | 63 | 5 | 68 | 68 | 0 | 12 ( 6 Oct) | 56 | 20 | 5 Oct | 1 Nov | ||||
| 57. | Fieldfare | 0 | 899 | 2192 | 3091 | 3091 | 0 | 1516 ( 3 Nov) | 44 | 16 | 9 Oct | 6 Nov | ||||
| 58. | Ring Ouzel | 1 | 0 | 0 | 1 | 1 | 0 | 1 (25 Sep) | 3 | 1 | 25 Sep | 25 Sep | ||||
| 59. | thrush sp. | 0 | 64 | 0 | 64 | 64 | 0 | 47 (22 Oct) | 14 | 5 | 11 Oct | 29 Oct | ||||
| 60. | Black Redstart | 0 | 1 | 0 | 1 | 1 | 0 | 1 (18 Oct) | 3 | 1 | 18 Oct | 18 Oct | ||||
| Species | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Tree Sparrow | 0 | 127 | 0 | 127 | 127 | 0 | 33 (22 Oct) | 31 | 11 | 5 Oct | 31 Oct | ||||
| 62. | Dunnock | 18 | 121 | 2 | 141 | 141 | 0 | 16 ( 1 Oct) | 69 | 25 | 17 Sep | 3 Nov | ||||
| 63. | Blue-headed Wagtail | 40 | 0 | 0 | 40 | 40 | 0 | 14 ( 3 Sep) | 11 | 4 | 3 Sep | 18 Sep | ||||
| 64. | Grey Wagtail | 12 | 82 | 2 | 96 | 94 | 2 | 14 ( 5 Oct) | 72 | 26 | 10 Sep | 3 Nov | ||||
| 65. | White Wagtail | 36 | 384 | 1 | 421 | 421 | 0 | 83 ( 1 Oct) | 83 | 30 | 10 Sep | 1 Nov | ||||
| 66. | Richard's Pipit | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 1 Oct) | 3 | 1 | 1 Oct | 1 Oct | ||||
| 67. | Meadow Pipit | 412 | 3186 | 13 | 3611 | 3611 | 0 | 1926 ( 1 Oct) | 89 | 32 | 17 Sep | 5 Nov | ||||
| 68. | Tree Pipit | 39 | 10 | 0 | 49 | 49 | 0 | 16 (18 Sep) | 28 | 10 | 3 Sep | 15 Oct | ||||
| 69. | Water Pipit | 0 | 1 | 0 | 1 | 1 | 0 | 1 (14 Oct) | 3 | 1 | 14 Oct | 14 Oct | ||||
| 70. | Chaffinch | 192 | 46038 | 808 | 47038 | 47038 | 0 | 23328 (17 Oct) | 81 | 29 | 24 Sep | 6 Nov | ||||
| 71. | Brambling | 0 | 77 | 0 | 77 | 77 | 0 | 12 (18 Oct) | 58 | 21 | 1 Oct | 31 Oct | ||||
| 72. | Hawfinch | 0 | 23 | 2 | 25 | 25 | 0 | 6 (22 Oct) | 22 | 8 | 16 Oct | 3 Nov | ||||
| 73. | Greenfinch | 29 | 463 | 65 | 557 | 557 | 0 | 90 (16 Oct) | 81 | 29 | 24 Sep | 6 Nov | ||||
| 74. | Linnet | 14 | 186 | 36 | 236 | 236 | 0 | 54 (17 Oct) | 67 | 24 | 10 Sep | 5 Nov | ||||
| 75. | redpoll sp. | 0 | 6 | 2 | 8 | 8 | 0 | 2 (20 Oct) | 17 | 6 | 20 Oct | 5 Nov | ||||
| 76. | Crossbill | 0 | 51 | 0 | 51 | 51 | 0 | 13 ( 6 Oct) | 28 | 10 | 1 Oct | 31 Oct | ||||
| 77. | Goldfinch | 23 | 84 | 25 | 132 | 132 | 0 | 24 (17 Oct) | 69 | 25 | 17 Sep | 6 Nov | ||||
| 78. | Serin | 0 | 3 | 0 | 3 | 3 | 0 | 1 (10 Oct) | 8 | 3 | 10 Oct | 17 Oct | ||||
| 79. | Siskin | 34 | 249 | 14 | 297 | 297 | 0 | 35 (18 Oct) | 75 | 27 | 17 Sep | 3 Nov | ||||
| 80. | Ortolan Bunting | 1 | 0 | 0 | 1 | 1 | 0 | 1 (17 Sep) | 3 | 1 | 17 Sep | 17 Sep | ||||
| 81. | Little Bunting | 2 | 0 | 0 | 2 | 2 | 0 | 1 (17 Sep) | 6 | 2 | 17 Sep | 25 Sep | ||||
| 82. | Reed Bunting | 51 | 1107 | 36 | 1194 | 1194 | 0 | 198 (17 Oct) | 94 | 34 | 10 Sep | 6 Nov | ||||
| 83. | bunting sp. | 0 | 2 | 0 | 2 | 2 | 0 | 1 ( 1 Oct) | 6 | 2 | 1 Oct | 20 Oct | ||||
| 84. | passerine sp. | 0 | 29 | 0 | 29 | 29 | 0 | 12 (12 Oct) | 14 | 5 | 11 Oct | 26 Oct | ||||
| Other species | ||||||||||||||||
| Species | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Red Admiral | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 5 Oct) | 3 | 1 | 5 Oct | 5 Oct | ||||
| Species | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 2536 | 98374 | 6737 | 107647 | 107645 | 2 | 100 | 36 | ||||||||
| Observation hours | 24:55 | 67:00 | 11:40 | 103:35 | ||||||||||||
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