Also present
Totals Waarden van Gravenbol - Wijk bij Duurstede 2020
| Species | Aug | Sep | Oct | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Barnacle Goose | 0 | 0 | 167 | 167 | 158 | 9 | 109 (10 Oct) | 83 | 5 | 3 Oct | 24 Oct | ||||
| 2. | Bar-headed Goose | 0 | 0 | 3 | 3 | 3 | 0 | 3 (17 Oct) | 17 | 1 | 17 Oct | 17 Oct | ||||
| 3. | Greylag Goose | 0 | 0 | 754 | 754 | 694 | 60 | 462 (17 Oct) | 83 | 5 | 3 Oct | 24 Oct | ||||
| 4. | goose sp. | 0 | 0 | 100 | 100 | 100 | 0 | 100 (10 Oct) | 17 | 1 | 10 Oct | 10 Oct | ||||
| 5. | Tundra Bean Goose | 0 | 0 | 17 | 17 | 17 | 0 | 17 (17 Oct) | 17 | 1 | 17 Oct | 17 Oct | ||||
| 6. | Eurasian White-fronted Goose | 0 | 0 | 1338 | 1338 | 1268 | 70 | 1092 (17 Oct) | 83 | 5 | 3 Oct | 24 Oct | ||||
| 7. | Egyptian Goose | 0 | 0 | 26 | 26 | 26 | 0 | 18 (17 Oct) | 33 | 2 | 10 Oct | 17 Oct | ||||
| 8. | Shoveler | 0 | 0 | 12 | 12 | 12 | 0 | 6 ( 3 Oct) | 33 | 2 | 3 Oct | 17 Oct | ||||
| 9. | Gadwall | 0 | 0 | 27 | 27 | 27 | 0 | 16 (11 Oct) | 33 | 2 | 10 Oct | 11 Oct | ||||
| 10. | Wigeon | 0 | 0 | 19 | 19 | 19 | 0 | 19 (17 Oct) | 17 | 1 | 17 Oct | 17 Oct | ||||
| 11. | Mallard | 0 | 0 | 40 | 40 | 37 | 3 | 17 (10 Oct) | 50 | 3 | 10 Oct | 17 Oct | ||||
| 12. | Pintail | 0 | 0 | 3 | 3 | 3 | 0 | 3 (17 Oct) | 17 | 1 | 17 Oct | 17 Oct | ||||
| 13. | Tufted Duck | 4 | 0 | 23 | 27 | 27 | 0 | 17 (11 Oct) | 50 | 3 | 31 Aug | 17 Oct | ||||
| 14. | Goosander | 0 | 0 | 2 | 2 | 2 | 0 | 1 (10 Oct) | 33 | 2 | 10 Oct | 17 Oct | ||||
| 15. | Stock Dove | 1 | 0 | 25 | 26 | 25 | 1 | 12 ( 3 Oct) | 83 | 5 | 31 Aug | 17 Oct | ||||
| 16. | Woodpigeon | 0 | 0 | 112 | 112 | 112 | 0 | 59 (24 Oct) | 83 | 5 | 3 Oct | 24 Oct | ||||
| 17. | Lapwing | 0 | 0 | 122 | 122 | 122 | 0 | 60 (17 Oct) | 50 | 3 | 3 Oct | 24 Oct | ||||
| 18. | Whimbrel | 0 | 0 | 1 | 1 | 1 | 0 | 1 ( 3 Oct) | 17 | 1 | 3 Oct | 3 Oct | ||||
| 19. | Curlew | 0 | 0 | 19 | 19 | 10 | 9 | 9 (17 Oct) | 67 | 4 | 3 Oct | 17 Oct | ||||
| 20. | Snipe | 0 | 0 | 4 | 4 | 4 | 0 | 2 (17 Oct) | 33 | 2 | 17 Oct | 24 Oct | ||||
| 21. | Greenshank | 0 | 0 | 2 | 2 | 2 | 0 | 2 (11 Oct) | 17 | 1 | 11 Oct | 11 Oct | ||||
| 22. | Common Tern | 7 | 0 | 0 | 7 | 7 | 0 | 7 (31 Aug) | 17 | 1 | 31 Aug | 31 Aug | ||||
| 23. | Black-headed Gull | 14 | 0 | 13 | 27 | 27 | 0 | 14 (31 Aug) | 67 | 4 | 31 Aug | 17 Oct | ||||
| 24. | Herring Gull | 0 | 0 | 2 | 2 | 2 | 0 | 1 (10 Oct) | 33 | 2 | 10 Oct | 11 Oct | ||||
| 25. | Lesser Black-backed Gull | 2 | 0 | 7 | 9 | 7 | 2 | 5 (17 Oct) | 67 | 4 | 31 Aug | 17 Oct | ||||
| 26. | White Stork | 0 | 0 | 1 | 1 | 1 | 0 | 1 (10 Oct) | 17 | 1 | 10 Oct | 10 Oct | ||||
| 27. | Cormorant | 13 | 0 | 53 | 66 | 66 | 0 | 33 (11 Oct) | 83 | 5 | 31 Aug | 24 Oct | ||||
| 28. | Spoonbill | 2 | 0 | 3 | 5 | 3 | 2 | 2 (31 Aug) | 50 | 3 | 31 Aug | 17 Oct | ||||
| 29. | Great White Egret | 0 | 0 | 11 | 11 | 8 | 3 | 3 (10 Oct) | 83 | 5 | 3 Oct | 24 Oct | ||||
| 30. | Grey Heron | 0 | 0 | 2 | 2 | 2 | 0 | 1 (10 Oct) | 33 | 2 | 10 Oct | 11 Oct | ||||
| Species | Aug | Sep | Oct | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Goshawk | 0 | 0 | 2 | 2 | 1 | 1 | 2 (17 Oct) | 17 | 1 | 17 Oct | 17 Oct | ||||
| 32. | Marsh Harrier | 0 | 0 | 2 | 2 | 2 | 0 | 1 ( 3 Oct) | 33 | 2 | 3 Oct | 10 Oct | ||||
| 33. | Red Kite | 0 | 0 | 1 | 1 | 1 | 0 | 1 (17 Oct) | 17 | 1 | 17 Oct | 17 Oct | ||||
| 34. | Common Buzzard | 0 | 0 | 18 | 18 | 17 | 1 | 10 (10 Oct) | 50 | 3 | 10 Oct | 17 Oct | ||||
| 35. | Great Spotted Woodpecker | 0 | 0 | 2 | 2 | 2 | 0 | 2 (17 Oct) | 17 | 1 | 17 Oct | 17 Oct | ||||
| 36. | Jay | 0 | 0 | 1 | 1 | 1 | 0 | 1 (10 Oct) | 17 | 1 | 10 Oct | 10 Oct | ||||
| 37. | Magpie | 0 | 0 | 1 | 1 | 1 | 0 | 1 (10 Oct) | 17 | 1 | 10 Oct | 10 Oct | ||||
| 38. | Jackdaw | 6 | 0 | 15 | 21 | 21 | 0 | 11 (17 Oct) | 50 | 3 | 31 Aug | 17 Oct | ||||
| 39. | Carrion Crow | 0 | 0 | 12 | 12 | 12 | 0 | 6 (10 Oct) | 67 | 4 | 10 Oct | 24 Oct | ||||
| 40. | Blue Tit | 0 | 0 | 6 | 6 | 6 | 0 | 4 (17 Oct) | 33 | 2 | 11 Oct | 17 Oct | ||||
| 41. | Great Tit | 0 | 0 | 3 | 3 | 3 | 0 | 3 (17 Oct) | 17 | 1 | 17 Oct | 17 Oct | ||||
| 42. | Wood Lark | 0 | 0 | 3 | 3 | 3 | 0 | 3 (10 Oct) | 17 | 1 | 10 Oct | 10 Oct | ||||
| 43. | Skylark | 0 | 0 | 206 | 206 | 205 | 1 | 162 (17 Oct) | 83 | 5 | 3 Oct | 24 Oct | ||||
| 44. | Swallow | 15 | 0 | 29 | 44 | 44 | 0 | 15 (31 Aug) | 67 | 4 | 31 Aug | 11 Oct | ||||
| 45. | Starling | 158 | 0 | 533 | 691 | 686 | 5 | 162 (10 Oct) | 100 | 6 | 31 Aug | 24 Oct | ||||
| 46. | Song Thrush | 0 | 0 | 63 | 63 | 63 | 0 | 47 (11 Oct) | 67 | 4 | 3 Oct | 17 Oct | ||||
| 47. | Redwing | 0 | 0 | 4582 | 4582 | 4534 | 48 | 4292 (11 Oct) | 67 | 4 | 3 Oct | 24 Oct | ||||
| 48. | Blackbird | 0 | 0 | 8 | 8 | 8 | 0 | 5 (11 Oct) | 33 | 2 | 11 Oct | 17 Oct | ||||
| 49. | Fieldfare | 0 | 0 | 703 | 703 | 686 | 17 | 686 (17 Oct) | 50 | 3 | 11 Oct | 24 Oct | ||||
| 50. | Tree Sparrow | 0 | 0 | 5 | 5 | 5 | 0 | 3 (11 Oct) | 33 | 2 | 11 Oct | 17 Oct | ||||
| 51. | Dunnock | 0 | 0 | 4 | 4 | 4 | 0 | 2 ( 3 Oct) | 50 | 3 | 3 Oct | 17 Oct | ||||
| 52. | Blue-headed Wagtail | 0 | 0 | 2 | 2 | 2 | 0 | 1 (10 Oct) | 33 | 2 | 10 Oct | 11 Oct | ||||
| 53. | Grey Wagtail | 0 | 0 | 5 | 5 | 5 | 0 | 4 (11 Oct) | 33 | 2 | 11 Oct | 24 Oct | ||||
| 54. | White Wagtail | 0 | 0 | 67 | 67 | 66 | 1 | 22 ( 3 Oct) | 83 | 5 | 3 Oct | 24 Oct | ||||
| 55. | Meadow Pipit | 0 | 0 | 219 | 219 | 219 | 0 | 73 (10 Oct) | 83 | 5 | 3 Oct | 24 Oct | ||||
| 56. | Tree Pipit | 0 | 0 | 1 | 1 | 1 | 0 | 1 ( 3 Oct) | 17 | 1 | 3 Oct | 3 Oct | ||||
| 57. | Water Pipit | 0 | 0 | 1 | 1 | 1 | 0 | 1 (17 Oct) | 17 | 1 | 17 Oct | 17 Oct | ||||
| 58. | Chaffinch | 0 | 0 | 1183 | 1183 | 1183 | 0 | 586 (10 Oct) | 83 | 5 | 3 Oct | 24 Oct | ||||
| 59. | Brambling | 0 | 0 | 2 | 2 | 2 | 0 | 1 ( 3 Oct) | 33 | 2 | 3 Oct | 11 Oct | ||||
| 60. | Greenfinch | 0 | 0 | 7 | 7 | 7 | 0 | 6 ( 3 Oct) | 33 | 2 | 3 Oct | 17 Oct | ||||
| Species | Aug | Sep | Oct | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Linnet | 0 | 0 | 65 | 65 | 65 | 0 | 23 (10 Oct) | 67 | 4 | 10 Oct | 24 Oct | ||||
| 62. | Goldfinch | 0 | 0 | 43 | 43 | 43 | 0 | 21 (11 Oct) | 67 | 4 | 10 Oct | 24 Oct | ||||
| 63. | Siskin | 0 | 0 | 30 | 30 | 30 | 0 | 15 (17 Oct) | 83 | 5 | 3 Oct | 24 Oct | ||||
| 64. | Reed Bunting | 0 | 0 | 48 | 48 | 48 | 0 | 28 (17 Oct) | 83 | 5 | 3 Oct | 24 Oct | ||||
| Species | Aug | Sep | Oct | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 222 | 0 | 10780 | 11002 | 10769 | 233 | 100 | 6 | ||||||||
| Observation hours | 1:49 | 0:00 | 19:41 | 21:30 | ||||||||||||
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