Totals Abcoude A2 (nacht) 2011 - 2020
| Species | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Totals | Average | Present | Year Maximum | |
1. | Canada Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 19 | 24 | 12 | 0 | 19 (2020) | | | | |
2. | Barnacle Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 70 | 70 | 35 | 0 | 70 (2020) | | | | |
3. | Greylag Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 114 | 117 | 59 | 0 | 114 (2020) | | | | |
4. | Eurasian White-fronted Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 74 | 74 | 37 | 0 | 74 (2020) | | | | |
5. | Gadwall | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 37 | 41 | 20.5 | 15 | 37 (2020) | | | | |
6. | Wigeon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 95 | 101 | 51 | 0 | 95 (2020) | | | | |
7. | Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 20 | 21 | 10.5 | 1 | 20 (2020) | | | | |
8. | Teal | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2020) | | | | |
9. | Quail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2020) | | | | |
10. | Water Rail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 19 | 9.5 | 0 | 19 (2020) | | | | |
11. | Moorhen | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 4.5 | 0 | 9 (2020) | | | | |
12. | Coot | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 17 | 18 | 9 | 0 | 17 (2020) | | | | |
13. | Little Grebe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 2 | 0 | 4 (2020) | | | | |
14. | Oystercatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 23 | 25 | 12.5 | 0 | 23 (2020) | | | | |
15. | Avocet | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2020) | | | | |
16. | Lapwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 22 | 11 | 1 | 22 (2020) | | | | |
17. | Golden Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 9 | 13 | 6.5 | 0 | 9 (2020) | | | | |
18. | Grey Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 3 | 0 | 6 (2020) | | | | |
19. | Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 5 | 8 | 4 | 0 | 5 (2020) | | | | |
20. | Little Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 17 | 19 | 9.5 | 0 | 17 (2020) | | | | |
21. | Whimbrel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 12 | 6 | 0 | 12 (2020) | | | | |
22. | Curlew | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 24 | 12 | 0 | 24 (2020) | | | | |
23. | Snipe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 18 | 9 | 0 | 18 (2020) | | | | |
24. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 109 | 123 | 62 | 0 | 109 (2020) | | | | |
25. | Green Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 15 | 16 | 8 | 0 | 15 (2020) | | | | |
26. | Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 22 | 26 | 13 | 0 | 22 (2020) | | | | |
27. | Wood Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 0 | 1 (2019) | | | | |
28. | Greenshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 8 | 4 | 0 | 8 (2020) | | | | |
29. | Black-headed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 3 | 0 | 6 (2020) | | | | |
30. | Lesser Black-backed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2020) | | | | |
31. | Caspian Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2020) | | | | |
32. | Common Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2020) | | | | |
33. | Bittern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 2 | 0 | 4 (2020) | | | | |
34. | Little Bittern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2020) | | | | |
35. | Grey Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 64 | 68 | 34 | 0 | 64 (2020) | | | | |
36. | Barn Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 12 | 6 | 0 | 12 (2020) | | | | |
37. | Long-eared Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2020) | | | | |
38. | Tawny Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 1 | 1 (2020) | | | | |
39. | Carrion Crow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2020) | | | | |
40. | Raven | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2020) | | | | |
41. | Skylark | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1.5 | 0 | 3 (2020) | | | | |
42. | Swallow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1.5 | 0 | 3 (2020) | | | | |
43. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2020) | | | | |
44. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 53 | 652 | 705 | 353 | 9 | 652 (2020) | | | | |
45. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 257 | 289 | 145 | 0 | 257 (2020) | | | | |
46. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 58 | 59 | 29.5 | 0 | 58 (2020) | | | | |
47. | Fieldfare | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 2.5 | 0 | 5 (2020) | | | | |
48. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2020) | | | | |
49. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 65 | 66 | 33 | 0 | 65 (2020) | | | | |
50. | Blue-headed Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2020) | | | | |
| Species | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Totals | Average | Present | Year Maximum | |
51. | Tree Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 6 | 3 | 0 | 3 (2019) | | | | |
52. | Ortolan Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 | 8 | 4 | 0 | 6 (2020) | | | | |
53. | Species unidentified | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 20 | 24 | 12 | 0 | 20 (2020) | | | | |
| Species | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Totals | Average | Present | Year Maximum | |
|
Totals |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 151 | 1947 | 2098 | 1049 | 27 | | |
|
Observation hours |
| | | | | | | | 101:49 | 1,138:42 | 1,240:31 | 620:16 | | | |