Also present
Totals Vijfhoek Diemen (zomeravonden) 2021
| Species | Jul | Aug | Totals | SW | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Greylag Goose | 45 | 23 | 68 | 30 | 38 | 15 ( 2 Aug) | 67 | 6 | 19 Jul | 4 Aug | ||||
| 2. | Mute Swan | 2 | 0 | 2 | 0 | 2 | 2 (20 Jul) | 11 | 1 | 20 Jul | 20 Jul | ||||
| 3. | Egyptian Goose | 7 | 2 | 9 | 5 | 4 | 5 (21 Jul) | 33 | 3 | 21 Jul | 3 Aug | ||||
| 4. | Shelduck | 12 | 1 | 13 | 0 | 13 | 10 (19 Jul) | 33 | 3 | 19 Jul | 2 Aug | ||||
| 5. | Ruddy Shelduck | 0 | 2 | 2 | 2 | 0 | 2 ( 4 Aug) | 11 | 1 | 4 Aug | 4 Aug | ||||
| 6. | Garganey | 0 | 1 | 1 | 1 | 0 | 1 ( 4 Aug) | 11 | 1 | 4 Aug | 4 Aug | ||||
| 7. | Shoveler | 1 | 31 | 32 | 21 | 11 | 23 ( 4 Aug) | 33 | 3 | 20 Jul | 4 Aug | ||||
| 8. | Gadwall | 39 | 24 | 63 | 29 | 34 | 14 (19 Jul) | 89 | 8 | 19 Jul | 4 Aug | ||||
| 9. | Mallard | 9 | 9 | 18 | 14 | 4 | 6 ( 2 Aug) | 67 | 6 | 20 Jul | 3 Aug | ||||
| 10. | dabbling duck sp. | 0 | 5 | 5 | 5 | 0 | 5 ( 2 Aug) | 11 | 1 | 2 Aug | 2 Aug | ||||
| 11. | Red-crested Pochard | 0 | 5 | 5 | 5 | 0 | 5 ( 3 Aug) | 11 | 1 | 3 Aug | 3 Aug | ||||
| 12. | Pochard | 1 | 2 | 3 | 1 | 2 | 2 ( 4 Aug) | 22 | 2 | 22 Jul | 4 Aug | ||||
| 13. | Tufted Duck | 18 | 56 | 74 | 37 | 37 | 32 ( 4 Aug) | 44 | 4 | 19 Jul | 4 Aug | ||||
| 14. | Swift | 18 | 15 | 33 | 33 | 0 | 10 ( 2 Aug) | 89 | 8 | 19 Jul | 4 Aug | ||||
| 15. | Woodpigeon | 0 | 2 | 2 | 2 | 0 | 1 ( 2 Aug) | 22 | 2 | 2 Aug | 4 Aug | ||||
| 16. | Oystercatcher | 11 | 6 | 17 | 4 | 13 | 6 ( 3 Aug) | 67 | 6 | 19 Jul | 3 Aug | ||||
| 17. | Grey Plover | 0 | 7 | 7 | 7 | 0 | 7 ( 3 Aug) | 11 | 1 | 3 Aug | 3 Aug | ||||
| 18. | Lapwing | 0 | 5 | 5 | 5 | 0 | 4 ( 3 Aug) | 22 | 2 | 2 Aug | 3 Aug | ||||
| 19. | Whimbrel | 4 | 41 | 45 | 45 | 0 | 26 ( 3 Aug) | 44 | 4 | 20 Jul | 4 Aug | ||||
| 20. | Curlew | 0 | 9 | 9 | 7 | 2 | 6 ( 2 Aug) | 22 | 2 | 2 Aug | 3 Aug | ||||
| 21. | Black-tailed Godwit | 0 | 18 | 18 | 18 | 0 | 12 ( 4 Aug) | 22 | 2 | 3 Aug | 4 Aug | ||||
| 22. | Snipe | 0 | 5 | 5 | 5 | 0 | 5 ( 3 Aug) | 11 | 1 | 3 Aug | 3 Aug | ||||
| 23. | Common Sandpiper | 1 | 16 | 17 | 17 | 0 | 16 ( 4 Aug) | 22 | 2 | 19 Jul | 4 Aug | ||||
| 24. | Wood Sandpiper | 1 | 0 | 1 | 1 | 0 | 1 (22 Jul) | 11 | 1 | 22 Jul | 22 Jul | ||||
| 25. | Redshank | 20 | 62 | 82 | 82 | 0 | 43 ( 3 Aug) | 44 | 4 | 19 Jul | 4 Aug | ||||
| 26. | Knot | 0 | 1 | 1 | 1 | 0 | 1 ( 2 Aug) | 11 | 1 | 2 Aug | 2 Aug | ||||
| 27. | wader sp. | 22 | 0 | 22 | 22 | 0 | 22 (19 Jul) | 11 | 1 | 19 Jul | 19 Jul | ||||
| 28. | Little Stint | 0 | 1 | 1 | 1 | 0 | 1 ( 2 Aug) | 11 | 1 | 2 Aug | 2 Aug | ||||
| 29. | Common Tern | 6 | 9 | 15 | 6 | 9 | 5 ( 4 Aug) | 89 | 8 | 19 Jul | 4 Aug | ||||
| 30. | Black-headed Gull | 59 | 321 | 380 | 378 | 2 | 151 ( 3 Aug) | 100 | 9 | 19 Jul | 4 Aug | ||||
| Species | Jul | Aug | Totals | SW | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Common Gull | 3 | 11 | 14 | 13 | 1 | 6 ( 2 Aug) | 67 | 6 | 19 Jul | 4 Aug | ||||
| 32. | Caspian Gull | 0 | 3 | 3 | 2 | 1 | 2 ( 2 Aug) | 22 | 2 | 2 Aug | 3 Aug | ||||
| 33. | Herring Gull | 1 | 2 | 3 | 3 | 0 | 2 ( 2 Aug) | 22 | 2 | 19 Jul | 2 Aug | ||||
| 34. | Lesser Black-backed Gull | 11 | 61 | 72 | 64 | 8 | 49 ( 2 Aug) | 67 | 6 | 19 Jul | 3 Aug | ||||
| 35. | Black Stork | 0 | 1 | 1 | 1 | 0 | 1 ( 3 Aug) | 11 | 1 | 3 Aug | 3 Aug | ||||
| 36. | Cormorant | 14 | 4 | 18 | 16 | 2 | 6 (19 Jul) | 78 | 7 | 19 Jul | 3 Aug | ||||
| 37. | Spoonbill | 16 | 13 | 29 | 21 | 8 | 9 ( 4 Aug) | 67 | 6 | 19 Jul | 4 Aug | ||||
| 38. | Great White Egret | 0 | 3 | 3 | 2 | 1 | 3 ( 4 Aug) | 11 | 1 | 4 Aug | 4 Aug | ||||
| 39. | Grey Heron | 1 | 0 | 1 | 1 | 0 | 1 (20 Jul) | 11 | 1 | 20 Jul | 20 Jul | ||||
| 40. | Purple Heron | 10 | 8 | 18 | 13 | 5 | 6 ( 4 Aug) | 78 | 7 | 19 Jul | 4 Aug | ||||
| 41. | Great Spotted Woodpecker | 3 | 2 | 5 | 3 | 2 | 2 ( 2 Aug) | 44 | 4 | 20 Jul | 2 Aug | ||||
| 42. | Great Tit | 5 | 0 | 5 | 5 | 0 | 5 (20 Jul) | 11 | 1 | 20 Jul | 20 Jul | ||||
| 43. | Sand Martin | 3 | 0 | 3 | 0 | 3 | 3 (22 Jul) | 11 | 1 | 22 Jul | 22 Jul | ||||
| 44. | White Wagtail | 3 | 0 | 3 | 3 | 0 | 3 (19 Jul) | 11 | 1 | 19 Jul | 19 Jul | ||||
| Species | Jul | Aug | Totals | SW | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 346 | 787 | 1133 | 931 | 202 | 100 | 9 | ||||||||
| Observation hours | 18:45 | 11:21 | 30:06 | ||||||||||||
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