Totals Zenderpark, IJsselstein (nacht) 2012 - 2021
| Species | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | Totals | Average | Present | Year Maximum | |
1. | Fulvous Whistling Duck | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2020) | | | | |
2. | Canada Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 18 | 30 | 10 | 0 | 18 (2021) | | | | |
3. | Barnacle Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 62 | 264 | 326 | 109 | 0 | 264 (2021) | | | | |
4. | Greylag Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 143 | 67 | 211 | 70 | 0 | 143 (2020) | | | | |
5. | Pink-footed Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.7 | 0 | 2 (2020) | | | | |
6. | Tundra Bean Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 19 | 31 | 10.3 | 0 | 19 (2021) | | | | |
7. | Eurasian White-fronted Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3092 | 2408 | 5500 | 1833 | 0 | 3092 (2020) | | | | |
8. | Mute Swan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.3 | 0 | 1 (2021) | | | | |
9. | Egyptian Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 4 | 1.3 | 0 | 2 (2020) | | | | |
10. | Gadwall | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 17 | 18 | 36 | 12 | 0 | 18 (2021) | | | | |
11. | Wigeon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 174 | 214 | 388 | 129 | 0 | 214 (2021) | | | | |
12. | Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 45 | 20 | 65 | 21.7 | 0 | 45 (2020) | | | | |
13. | Teal | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2020) | | | | |
14. | Quail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 5 | 1.7 | 0 | 3 (2020) | | | | |
15. | Water Rail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.3 | 0 | 1 (2021) | | | | |
16. | Spotted Crake | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.3 | 0 | 1 (2021) | | | | |
17. | Moorhen | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 43 | 18 | 61 | 20.3 | 0 | 43 (2020) | | | | |
18. | Coot | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 82 | 71 | 157 | 52 | 0 | 82 (2020) | | | | |
19. | Little Grebe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 4 | 10 | 3.3 | 0 | 6 (2020) | | | | |
20. | Oystercatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 33 | 51 | 84 | 28 | 0 | 51 (2021) | | | | |
21. | Lapwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1 | 0 | 3 (2021) | | | | |
22. | Golden Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 17 | 21 | 7 | 0 | 17 (2021) | | | | |
23. | Grey Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2020) | | | | |
24. | Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 5 | 1.7 | 0 | 4 (2020) | | | | |
25. | Little Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 6 | 11 | 3.7 | 0 | 6 (2021) | | | | |
26. | Whimbrel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 7 | 2.3 | 0 | 5 (2021) | | | | |
27. | Curlew | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 22 | 39 | 13 | 0 | 22 (2021) | | | | |
28. | Turnstone | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0.7 | 0 | 2 (2021) | | | | |
29. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 2 | 22 | 7.3 | 0 | 20 (2020) | | | | |
30. | Green Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 3 | 13 | 4.3 | 0 | 10 (2020) | | | | |
31. | Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2020) | | | | |
32. | Greenshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2019) | | | | |
33. | Black-headed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 5 | 12 | 4 | 0 | 7 (2020) | | | | |
34. | Common Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0.7 | 0 | 2 (2021) | | | | |
35. | Lesser Black-backed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.3 | 0 | 1 (2021) | | | | |
36. | Caspian Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2020) | | | | |
37. | Bittern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 1.3 | 0 | 4 (2021) | | | | |
38. | Grey Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 97 | 73 | 172 | 57 | 0 | 97 (2020) | | | | |
39. | Purple Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.7 | 0 | 2 (2020) | | | | |
40. | heron sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0.7 | 0 | 1 (2020) | | | | |
41. | Magpie | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2020) | | | | |
42. | Jackdaw | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 6 | 12 | 4 | 0 | 6 (2021) | | | | |
43. | Carrion Crow | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 1 | 6 | 2 | 0 | 4 (2020) | | | | |
44. | Skylark | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 1 | 0 | 2 (2020) | | | | |
45. | Blackcap | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1 | 0 | 3 (2021) | | | | |
46. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2020) | | | | |
47. | Starling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.3 | 0 | 1 (2021) | | | | |
48. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 235 | 886 | 53 | 1174 | 391 | 0 | 886 (2020) | | | | |
49. | Mistle Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2020) | | | | |
50. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 130 | 1739 | 81 | 1950 | 650 | 1 | 1739 (2020) | | | | |
| Species | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | Totals | Average | Present | Year Maximum | |
51. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 73 | 3 | 79 | 26.3 | 1 | 73 (2020) | | | | |
52. | Fieldfare | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 1 | 0 | 3 (2020) | | | | |
53. | Ring Ouzel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0.7 | 0 | 1 (2020) | | | | |
54. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.3 | 0 | 1 (2021) | | | | |
55. | flycatcher sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.7 | 0 | 2 (2020) | | | | |
56. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 67 | 7 | 81 | 27 | 0 | 67 (2020) | | | | |
57. | Stonechat | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2020) | | | | |
58. | Dunnock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2020) | | | | |
59. | alba wagtail sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0.7 | 0 | 1 (2019) | | | | |
60. | Chaffinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2020) | | | | |
61. | Greenfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2020) | | | | |
62. | Ortolan Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2020) | | | | |
63. | Reed Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.3 | 0 | 1 (2020) | | | | |
64. | Species unidentified | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 5 | 1.7 | 0 | 3 (2021) | | | | |
| Species | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | Totals | Average | Present | Year Maximum | |
|
Totals |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 387 | 6696 | 3487 | 10570 | 3523 | 2 | | |
|
Observation hours |
| | | | | | | | 1,616:23 | 1,225:45 | 2,842:08 | 947:23 | | | |