Also present
Totals Bos van Aa Zemst (ringen) 2023
| Species | May | Jun | Jul | Aug | Sep | Oct | Totals | Newly ringed | Retraps | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Mute Swan | 0 | 0 | 0 | 7 | 0 | 0 | 7 | 6 | 1 | 7 (15 Aug) | 3 | 1 | 15 Aug | 15 Aug | ||||
| 2. | Mallard | 0 | 0 | 0 | 5 | 0 | 0 | 5 | 3 | 2 | 2 (26 Aug) | 10 | 3 | 20 Aug | 27 Aug | ||||
| 3. | Water Rail | 0 | 0 | 1 | 8 | 10 | 7 | 26 | 11 | 15 | 3 (30 Sep) | 57 | 17 | 30 Jul | 21 Oct | ||||
| 4. | Spotted Crake | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 2 | 0 | 2 (15 Aug) | 3 | 1 | 15 Aug | 15 Aug | ||||
| 5. | Moorhen | 0 | 2 | 0 | 14 | 6 | 0 | 22 | 11 | 11 | 4 (19 Aug) | 43 | 13 | 17 Jun | 17 Sep | ||||
| 6. | Coot | 0 | 0 | 0 | 3 | 0 | 1 | 4 | 3 | 1 | 1 (15 Aug) | 13 | 4 | 15 Aug | 8 Oct | ||||
| 7. | Common Tern | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 2 (24 Jun) | 3 | 1 | 24 Jun | 24 Jun | ||||
| 8. | Black-headed Gull | 5 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 0 | 5 (24 May) | 3 | 1 | 24 May | 24 May | ||||
| 9. | Sparrowhawk | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (27 Aug) | 3 | 1 | 27 Aug | 27 Aug | ||||
| 10. | Goshawk | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 2 | 0 | 2 ( 8 Jul) | 3 | 1 | 8 Jul | 8 Jul | ||||
| 11. | Common Buzzard | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (28 May) | 3 | 1 | 28 May | 28 May | ||||
| 12. | Kingfisher | 0 | 0 | 1 | 0 | 3 | 2 | 6 | 6 | 0 | 2 ( 9 Sep) | 17 | 5 | 30 Jul | 8 Oct | ||||
| 13. | Wryneck | 0 | 0 | 0 | 2 | 2 | 0 | 4 | 4 | 0 | 1 (19 Aug) | 13 | 4 | 19 Aug | 24 Sep | ||||
| 14. | Lesser Spotted Woodpecker | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (26 Aug) | 3 | 1 | 26 Aug | 26 Aug | ||||
| 15. | Carrion Crow | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (17 Jun) | 3 | 1 | 17 Jun | 17 Jun | ||||
| 16. | Willow Tit | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 9 Sep) | 3 | 1 | 9 Sep | 9 Sep | ||||
| 17. | Blue Tit | 0 | 0 | 6 | 41 | 30 | 77 | 154 | 134 | 20 | 18 ( 8 Oct) | 73 | 22 | 29 Jul | 22 Oct | ||||
| 18. | Great Tit | 0 | 0 | 4 | 10 | 13 | 32 | 59 | 48 | 11 | 8 (14 Oct) | 63 | 19 | 29 Jul | 22 Oct | ||||
| 19. | Sand Martin | 0 | 79 | 107 | 0 | 0 | 0 | 186 | 155 | 31 | 107 ( 8 Jul) | 7 | 2 | 24 Jun | 8 Jul | ||||
| 20. | Cetti's Warbler | 0 | 0 | 1 | 7 | 16 | 9 | 33 | 20 | 13 | 5 (16 Sep) | 70 | 21 | 29 Jul | 22 Oct | ||||
| 21. | Long-tailed Tit | 0 | 0 | 4 | 4 | 0 | 21 | 29 | 22 | 7 | 12 (15 Oct) | 27 | 8 | 29 Jul | 15 Oct | ||||
| 22. | Yellow-browed Warbler | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 (15 Oct) | 3 | 1 | 15 Oct | 15 Oct | ||||
| 23. | Willow Warbler | 0 | 0 | 0 | 21 | 24 | 0 | 45 | 45 | 0 | 16 (19 Aug) | 33 | 10 | 12 Aug | 17 Sep | ||||
| 24. | Chiffchaff | 0 | 0 | 36 | 40 | 121 | 134 | 331 | 302 | 29 | 37 ( 1 Oct) | 83 | 25 | 29 Jul | 22 Oct | ||||
| 25. | Chiffchaff (Siberian - tristis) | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 5 | 0 | 2 ( 7 Oct) | 13 | 4 | 7 Oct | 15 Oct | ||||
| 26. | Great Reed Warbler | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (13 Aug) | 3 | 1 | 13 Aug | 13 Aug | ||||
| 27. | Sedge Warbler | 0 | 0 | 27 | 54 | 7 | 0 | 88 | 82 | 6 | 19 (29 Jul) | 47 | 14 | 29 Jul | 24 Sep | ||||
| 28. | Reed Warbler | 0 | 0 | 35 | 195 | 85 | 2 | 317 | 307 | 10 | 60 (20 Aug) | 60 | 18 | 29 Jul | 1 Oct | ||||
| 29. | Marsh Warbler | 0 | 0 | 13 | 3 | 0 | 0 | 16 | 16 | 0 | 12 (29 Jul) | 17 | 5 | 29 Jul | 26 Aug | ||||
| 30. | Icterine Warbler | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (29 Jul) | 3 | 1 | 29 Jul | 29 Jul | ||||
| Species | May | Jun | Jul | Aug | Sep | Oct | Totals | Newly ringed | Retraps | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Grasshopper Warbler | 0 | 0 | 0 | 15 | 7 | 0 | 22 | 20 | 2 | 9 (19 Aug) | 27 | 8 | 19 Aug | 17 Sep | ||||
| 32. | Blackcap | 0 | 0 | 8 | 127 | 647 | 122 | 904 | 895 | 9 | 156 (24 Sep) | 77 | 23 | 29 Jul | 15 Oct | ||||
| 33. | Garden Warbler | 0 | 0 | 5 | 47 | 17 | 0 | 69 | 69 | 0 | 13 (19 Aug) | 53 | 16 | 29 Jul | 24 Sep | ||||
| 34. | Lesser Whitethroat | 0 | 0 | 0 | 1 | 2 | 0 | 3 | 3 | 0 | 1 (27 Aug) | 10 | 3 | 27 Aug | 9 Sep | ||||
| 35. | Whitethroat | 0 | 0 | 6 | 12 | 9 | 0 | 27 | 26 | 1 | 5 (29 Jul) | 40 | 12 | 29 Jul | 9 Sep | ||||
| 36. | Firecrest | 0 | 0 | 0 | 0 | 9 | 12 | 21 | 21 | 0 | 5 (24 Sep) | 27 | 8 | 16 Sep | 15 Oct | ||||
| 37. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 5 | 0 | 3 (21 Oct) | 7 | 2 | 21 Oct | 22 Oct | ||||
| 38. | Wren | 0 | 0 | 1 | 1 | 6 | 5 | 13 | 9 | 4 | 3 (14 Oct) | 33 | 10 | 29 Jul | 21 Oct | ||||
| 39. | Short-toed Tree Creeper | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 ( 7 Oct) | 3 | 1 | 7 Oct | 7 Oct | ||||
| 40. | Song Thrush | 0 | 0 | 0 | 0 | 3 | 23 | 26 | 26 | 0 | 7 (15 Oct) | 27 | 8 | 30 Sep | 22 Oct | ||||
| 41. | Redwing | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 5 | 0 | 3 ( 7 Oct) | 10 | 3 | 7 Oct | 21 Oct | ||||
| 42. | Blackbird | 0 | 1 | 0 | 0 | 1 | 11 | 13 | 13 | 0 | 5 ( 7 Oct) | 23 | 7 | 17 Jun | 22 Oct | ||||
| 43. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 9 Sep) | 3 | 1 | 9 Sep | 9 Sep | ||||
| 44. | Robin | 0 | 0 | 1 | 23 | 84 | 85 | 193 | 185 | 8 | 25 ( 1 Oct) | 73 | 22 | 29 Jul | 22 Oct | ||||
| 45. | Nightingale | 0 | 0 | 3 | 3 | 0 | 0 | 6 | 6 | 0 | 2 (30 Jul) | 13 | 4 | 29 Jul | 15 Aug | ||||
| 46. | Bluethroat | 0 | 0 | 1 | 3 | 0 | 0 | 4 | 2 | 2 | 1 (29 Jul) | 13 | 4 | 29 Jul | 20 Aug | ||||
| 47. | Pied Flycatcher | 0 | 0 | 0 | 3 | 1 | 0 | 4 | 4 | 0 | 2 (19 Aug) | 10 | 3 | 19 Aug | 3 Sep | ||||
| 48. | Redstart | 0 | 0 | 0 | 4 | 17 | 0 | 21 | 21 | 0 | 7 ( 3 Sep) | 33 | 10 | 13 Aug | 30 Sep | ||||
| 49. | Common Waxbill | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (15 Aug) | 3 | 1 | 15 Aug | 15 Aug | ||||
| 50. | Dunnock | 0 | 0 | 0 | 2 | 1 | 23 | 26 | 25 | 1 | 8 (14 Oct) | 30 | 9 | 19 Aug | 22 Oct | ||||
| 51. | Grey Wagtail | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 4 | 0 | 2 (24 Sep) | 10 | 3 | 9 Sep | 24 Sep | ||||
| 52. | Tree Pipit | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 3 | 0 | 3 ( 3 Sep) | 3 | 1 | 3 Sep | 3 Sep | ||||
| 53. | Chaffinch | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 0 | 1 (10 Sep) | 7 | 2 | 10 Sep | 15 Oct | ||||
| 54. | redpoll sp. | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 6 | 0 | 3 (14 Oct) | 7 | 2 | 14 Oct | 15 Oct | ||||
| 55. | Siskin | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 0 | 1 ( 7 Oct) | 7 | 2 | 7 Oct | 8 Oct | ||||
| 56. | Reed Bunting | 0 | 0 | 1 | 0 | 0 | 24 | 25 | 25 | 0 | 10 (21 Oct) | 20 | 6 | 29 Jul | 22 Oct | ||||
| Species | May | Jun | Jul | Aug | Sep | Oct | Totals | Newly ringed | Retraps | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 6 | 85 | 264 | 661 | 1131 | 616 | 2763 | 2579 | 184 | 100 | 30 | ||||||||
| Observation hours | 2:00 | 8:30 | 15:00 | 36:45 | 37:00 | 27:15 | 126:30 | ||||||||||||
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