Totals Oetersloven Wellen 2021
| Year | |
| Period | |
| count-field | |
| Also present | |
| Species | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Canada Goose | 0 | 35 | 13 | 0 | 48 | 13 | 35 | 35 (17 Sep) | 4 | 2 | 17 Sep | 24 Oct | ||||
| 2. | Greylag Goose | 0 | 5 | 60 | 20 | 85 | 85 | 0 | 50 ( 5 Oct) | 13 | 7 | 11 Sep | 11 Nov | ||||
| 3. | goose sp. | 0 | 0 | 0 | 80 | 80 | 80 | 0 | 80 (22 Nov) | 2 | 1 | 22 Nov | 22 Nov | ||||
| 4. | Eurasian White-fronted Goose | 0 | 0 | 0 | 145 | 145 | 145 | 0 | 145 (22 Nov) | 2 | 1 | 22 Nov | 22 Nov | ||||
| 5. | Mute Swan | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 2 ( 9 Oct) | 2 | 1 | 9 Oct | 9 Oct | ||||
| 6. | Egyptian Goose | 0 | 8 | 8 | 0 | 16 | 16 | 0 | 8 (27 Sep) | 5 | 3 | 27 Sep | 23 Oct | ||||
| 7. | Mallard | 0 | 8 | 53 | 2 | 63 | 63 | 0 | 44 ( 2 Oct) | 13 | 7 | 22 Sep | 2 Nov | ||||
| 8. | Swift | 2 | 0 | 2 | 0 | 4 | 4 | 0 | 2 (23 Aug) | 4 | 2 | 23 Aug | 10 Oct | ||||
| 9. | Stock Dove | 2 | 23 | 244 | 45 | 314 | 314 | 0 | 32 (28 Oct) | 67 | 37 | 25 Aug | 9 Nov | ||||
| 10. | Woodpigeon | 0 | 9 | 109957 | 23281 | 133247 | 133247 | 0 | 40475 (24 Oct) | 60 | 33 | 17 Sep | 22 Nov | ||||
| 11. | Crane | 0 | 0 | 18 | 43 | 61 | 61 | 0 | 43 (22 Nov) | 4 | 2 | 25 Oct | 22 Nov | ||||
| 12. | Golden Plover | 0 | 0 | 3 | 4 | 7 | 7 | 0 | 4 ( 9 Nov) | 4 | 2 | 25 Oct | 9 Nov | ||||
| 13. | Lapwing | 1 | 8 | 1043 | 92 | 1144 | 1144 | 0 | 775 (24 Oct) | 27 | 15 | 21 Aug | 10 Nov | ||||
| 14. | Snipe | 0 | 0 | 6 | 1 | 7 | 7 | 0 | 4 (17 Oct) | 7 | 4 | 13 Oct | 6 Nov | ||||
| 15. | Black-headed Gull | 0 | 27 | 254 | 19 | 300 | 300 | 0 | 43 (25 Oct) | 53 | 29 | 25 Sep | 10 Nov | ||||
| 16. | Lesser Black-backed Gull | 24 | 5 | 6 | 0 | 35 | 35 | 0 | 21 (21 Aug) | 20 | 11 | 21 Aug | 24 Oct | ||||
| 17. | White Stork | 40 | 0 | 0 | 0 | 40 | 40 | 0 | 40 (23 Aug) | 2 | 1 | 23 Aug | 23 Aug | ||||
| 18. | Cormorant | 1 | 136 | 923 | 46 | 1106 | 1105 | 1 | 457 (24 Oct) | 65 | 36 | 23 Aug | 11 Nov | ||||
| 19. | Great White Egret | 0 | 9 | 18 | 2 | 29 | 29 | 0 | 5 (28 Sep) | 22 | 12 | 21 Sep | 10 Nov | ||||
| 20. | Grey Heron | 0 | 2 | 15 | 0 | 17 | 17 | 0 | 14 ( 8 Oct) | 7 | 4 | 22 Sep | 10 Oct | ||||
| 21. | Purple Heron | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (25 Aug) | 2 | 1 | 25 Aug | 25 Aug | ||||
| 22. | Osprey | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (25 Sep) | 2 | 1 | 25 Sep | 25 Sep | ||||
| 23. | Honey Buzzard | 16 | 0 | 1 | 0 | 17 | 17 | 0 | 13 (23 Aug) | 7 | 4 | 21 Aug | 2 Oct | ||||
| 24. | Sparrowhawk | 0 | 20 | 46 | 12 | 78 | 78 | 0 | 10 (24 Oct) | 58 | 32 | 17 Sep | 22 Nov | ||||
| 25. | Goshawk | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (24 Oct) | 2 | 1 | 24 Oct | 24 Oct | ||||
| 26. | Marsh Harrier | 0 | 6 | 3 | 1 | 10 | 10 | 0 | 2 (11 Sep) | 15 | 8 | 11 Sep | 6 Nov | ||||
| 27. | Hen Harrier | 0 | 0 | 5 | 0 | 5 | 5 | 0 | 1 (10 Oct) | 9 | 5 | 10 Oct | 29 Oct | ||||
| 28. | Red Kite | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 1 (24 Oct) | 4 | 2 | 24 Oct | 28 Oct | ||||
| 29. | Common Buzzard | 0 | 9 | 138 | 13 | 160 | 160 | 0 | 44 ( 9 Oct) | 42 | 23 | 17 Sep | 9 Nov | ||||
| 30. | Great Spotted Woodpecker | 0 | 2 | 3 | 0 | 5 | 5 | 0 | 1 (22 Sep) | 9 | 5 | 22 Sep | 17 Oct | ||||
| Species | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Kestrel | 0 | 3 | 3 | 0 | 6 | 6 | 0 | 2 (24 Oct) | 9 | 5 | 21 Sep | 24 Oct | ||||
| 32. | Merlin | 0 | 1 | 1 | 0 | 2 | 2 | 0 | 1 (30 Sep) | 4 | 2 | 30 Sep | 1 Oct | ||||
| 33. | Hobby | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 1 ( 4 Oct) | 4 | 2 | 4 Oct | 5 Oct | ||||
| 34. | Peregrine | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (13 Oct) | 2 | 1 | 13 Oct | 13 Oct | ||||
| 35. | Jay | 0 | 459 | 207 | 0 | 666 | 666 | 0 | 137 (27 Sep) | 49 | 27 | 8 Sep | 17 Oct | ||||
| 36. | Magpie | 0 | 2 | 0 | 2 | 4 | 4 | 0 | 2 (21 Sep) | 4 | 2 | 21 Sep | 9 Nov | ||||
| 37. | Jackdaw | 0 | 5 | 1169 | 152 | 1326 | 1326 | 0 | 228 (18 Oct) | 51 | 28 | 17 Sep | 10 Nov | ||||
| 38. | Rook | 0 | 15 | 775 | 125 | 915 | 915 | 0 | 115 (28 Oct) | 60 | 33 | 27 Sep | 22 Nov | ||||
| 39. | Carrion Crow | 0 | 3 | 0 | 0 | 3 | 3 | 0 | 3 (17 Sep) | 2 | 1 | 17 Sep | 17 Sep | ||||
| 40. | Coal Tit | 0 | 0 | 0 | 4 | 4 | 4 | 0 | 4 ( 1 Nov) | 2 | 1 | 1 Nov | 1 Nov | ||||
| 41. | Blue Tit | 0 | 0 | 32 | 6 | 38 | 38 | 0 | 11 (25 Oct) | 18 | 10 | 13 Oct | 9 Nov | ||||
| 42. | Parus (tit) sp. | 0 | 0 | 0 | 5 | 5 | 5 | 0 | 5 ( 2 Nov) | 2 | 1 | 2 Nov | 2 Nov | ||||
| 43. | Wood Lark | 0 | 4 | 113 | 4 | 121 | 121 | 0 | 21 (17 Oct) | 35 | 19 | 19 Sep | 5 Nov | ||||
| 44. | Skylark | 0 | 23 | 6565 | 910 | 7498 | 7498 | 0 | 1229 (25 Oct) | 65 | 36 | 19 Sep | 22 Nov | ||||
| 45. | Swallow | 57 | 3001 | 449 | 1 | 3508 | 3508 | 0 | 1232 (27 Sep) | 55 | 30 | 21 Aug | 9 Nov | ||||
| 46. | House Martin | 26 | 33 | 0 | 0 | 59 | 59 | 0 | 24 (30 Sep) | 15 | 8 | 21 Aug | 30 Sep | ||||
| 47. | Starling | 0 | 821 | 9913 | 1499 | 12233 | 12233 | 0 | 1706 (29 Oct) | 80 | 44 | 2 Sep | 22 Nov | ||||
| 48. | Song Thrush | 0 | 8 | 298 | 7 | 313 | 313 | 0 | 35 ( 5 Oct) | 51 | 28 | 17 Sep | 3 Nov | ||||
| 49. | Mistle Thrush | 0 | 19 | 203 | 12 | 234 | 234 | 0 | 36 (24 Oct) | 60 | 33 | 9 Sep | 10 Nov | ||||
| 50. | Redwing | 0 | 0 | 2428 | 283 | 2711 | 2711 | 0 | 1453 (25 Oct) | 42 | 23 | 10 Oct | 11 Nov | ||||
| 51. | Blackbird | 0 | 0 | 31 | 10 | 41 | 41 | 0 | 16 (13 Oct) | 25 | 14 | 4 Oct | 10 Nov | ||||
| 52. | Fieldfare | 0 | 1 | 48 | 434 | 483 | 483 | 0 | 169 ( 9 Nov) | 29 | 16 | 22 Sep | 22 Nov | ||||
| 53. | Black Redstart | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (13 Sep) | 2 | 1 | 13 Sep | 13 Sep | ||||
| 54. | Tree Sparrow | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (25 Oct) | 2 | 1 | 25 Oct | 25 Oct | ||||
| 55. | Dunnock | 0 | 2 | 1 | 1 | 4 | 4 | 0 | 1 (10 Sep) | 7 | 4 | 10 Sep | 5 Nov | ||||
| 56. | Blue-headed Wagtail | 28 | 189 | 9 | 0 | 226 | 226 | 0 | 40 (10 Sep) | 33 | 18 | 21 Aug | 9 Oct | ||||
| 57. | Grey Wagtail | 0 | 0 | 3 | 0 | 3 | 3 | 0 | 2 (25 Oct) | 4 | 2 | 17 Oct | 25 Oct | ||||
| 58. | White Wagtail | 1 | 124 | 701 | 14 | 840 | 840 | 0 | 91 ( 2 Oct) | 73 | 40 | 25 Aug | 10 Nov | ||||
| 59. | Meadow Pipit | 0 | 985 | 2671 | 40 | 3696 | 3696 | 0 | 768 ( 2 Oct) | 73 | 40 | 18 Sep | 10 Nov | ||||
| 60. | Tree Pipit | 10 | 39 | 0 | 0 | 49 | 49 | 0 | 9 (19 Sep) | 24 | 13 | 21 Aug | 30 Sep | ||||
| Species | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Chaffinch | 0 | 505 | 19034 | 2657 | 22196 | 22196 | 0 | 2112 (28 Oct) | 82 | 45 | 9 Sep | 22 Nov | ||||
| 62. | Brambling | 0 | 0 | 3752 | 524 | 4276 | 4186 | 90 | 715 (22 Oct) | 40 | 22 | 2 Oct | 9 Nov | ||||
| 63. | Chaffinch/Brambling | 0 | 0 | 273 | 0 | 273 | 273 | 0 | 111 (23 Oct) | 7 | 4 | 13 Oct | 29 Oct | ||||
| 64. | Hawfinch | 0 | 0 | 3 | 4 | 7 | 7 | 0 | 4 ( 2 Nov) | 5 | 3 | 23 Oct | 2 Nov | ||||
| 65. | Greenfinch | 0 | 4 | 20 | 6 | 30 | 30 | 0 | 5 (25 Oct) | 27 | 15 | 25 Sep | 6 Nov | ||||
| 66. | Linnet | 0 | 78 | 1968 | 195 | 2241 | 2241 | 0 | 188 (24 Oct) | 62 | 34 | 17 Sep | 10 Nov | ||||
| 67. | Lesser Redpoll | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 (25 Oct) | 2 | 1 | 25 Oct | 25 Oct | ||||
| 68. | Goldfinch | 0 | 0 | 33 | 5 | 38 | 38 | 0 | 12 (23 Oct) | 18 | 10 | 5 Oct | 9 Nov | ||||
| 69. | Siskin | 0 | 0 | 190 | 70 | 260 | 260 | 0 | 35 (17 Oct) | 31 | 17 | 10 Oct | 9 Nov | ||||
| 70. | Reed Bunting | 0 | 0 | 164 | 20 | 184 | 184 | 0 | 30 (22 Oct) | 35 | 19 | 4 Oct | 11 Nov | ||||
| Other species | |||||||||||||||||
| Species | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | European Peacock | 0 | 0 | 11 | 0 | 11 | 11 | 0 | 9 ( 8 Oct) | 4 | 2 | 8 Oct | 9 Oct | ||||
| 2. | Red Admiral | 0 | 115 | 132 | 1 | 248 | 248 | 0 | 40 ( 8 Oct) | 53 | 29 | 8 Sep | 5 Nov | ||||
| Species | Aug | Sep | Oct | Nov | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 209 | 6753 | 164029 | 30797 | 201788 | 201662 | 126 | 100 | 55 | ||||||||
| Observation hours | 8:15 | 56:08 | 86:25 | 27:09 | 177:57 | ||||||||||||
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