Totals Holtgast, Ostfriesland (nocturnal flight calls) 2015 - 2024
| Species | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Totals | Average | Present | Year Maximum | |
1. | Canada Goose | 0 | 0 | 0 | 0 | 0 | 5 | 7 | 5 | 0 | 0 | 17 | 5.7 | 0 | 7 (2021) | | | | |
2. | Barnacle Goose | 0 | 0 | 0 | 0 | 0 | 49 | 63 | 9 | 0 | 0 | 121 | 40 | 0 | 63 (2021) | | | | |
3. | Greylag Goose | 0 | 0 | 0 | 0 | 0 | 18 | 81 | 33 | 0 | 0 | 132 | 44 | 1 | 81 (2021) | | | | |
4. | goose sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2022) | | | | |
5. | Tundra Bean Goose | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2021) | | | | |
6. | Eurasian White-fronted Goose | 0 | 0 | 0 | 0 | 0 | 10 | 100 | 58 | 0 | 0 | 168 | 56 | 0 | 100 (2021) | | | | |
7. | Mute Swan | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2021) | | | | |
8. | Whooper Swan | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2021) | | | | |
9. | Egyptian Goose | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 14 | 0 | 0 | 22 | 7.3 | 0 | 14 (2022) | | | | |
10. | Gadwall | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 7 | 0 | 0 | 13 | 4.3 | 0 | 7 (2022) | | | | |
11. | Wigeon | 0 | 0 | 0 | 0 | 0 | 36 | 170 | 37 | 0 | 0 | 243 | 81 | 0 | 170 (2021) | | | | |
12. | Mallard | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 23 | 0 | 0 | 41 | 13.7 | 0 | 23 (2022) | | | | |
13. | Pintail | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 6 | 2 | 0 | 3 (2021) | | | | |
14. | Teal | 0 | 0 | 0 | 0 | 0 | 11 | 65 | 29 | 0 | 0 | 105 | 35 | 0 | 65 (2021) | | | | |
15. | duck sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2022) | | | | |
16. | Goldeneye | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2022) | | | | |
17. | Pheasant | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 4 | 1.3 | 0 | 4 (2021) | | | | |
18. | Quail | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 0 | 0 | 0 | 9 | 3 | 0 | 7 (2021) | | | | |
19. | Water Rail | 0 | 0 | 0 | 0 | 0 | 7 | 5 | 6 | 0 | 0 | 18 | 6 | 0 | 7 (2020) | | | | |
20. | Moorhen | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 12 | 0 | 0 | 21 | 7 | 0 | 12 (2022) | | | | |
21. | Coot | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 7 | 0 | 0 | 12 | 4 | 1 | 7 (2022) | | | | |
22. | Crane | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 4 | 1.3 | 0 | 4 (2022) | | | | |
23. | Little Grebe | 0 | 0 | 0 | 0 | 0 | 8 | 4 | 3 | 0 | 0 | 15 | 5 | 0 | 8 (2020) | | | | |
24. | Oystercatcher | 0 | 0 | 0 | 0 | 0 | 53 | 51 | 24 | 0 | 0 | 128 | 43 | 0 | 53 (2020) | | | | |
25. | Avocet | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2021) | | | | |
26. | Lapwing | 0 | 0 | 0 | 0 | 0 | 2 | 8 | 0 | 0 | 0 | 10 | 3.3 | 0 | 8 (2021) | | | | |
27. | Golden Plover | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 4 | 0 | 0 | 16 | 5.3 | 0 | 12 (2021) | | | | |
28. | Grey Plover | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2020) | | | | |
29. | Ringed Plover | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 4 | 0 | 0 | 7 | 2.3 | 0 | 4 (2022) | | | | |
30. | Little Ringed Plover | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 4 | 1.3 | 0 | 3 (2021) | | | | |
31. | Dotterel | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2020) | | | | |
32. | Whimbrel | 0 | 0 | 0 | 0 | 0 | 5 | 9 | 7 | 0 | 0 | 21 | 7 | 0 | 9 (2021) | | | | |
33. | Curlew | 0 | 0 | 0 | 0 | 0 | 23 | 88 | 9 | 0 | 0 | 120 | 40 | 0 | 88 (2021) | | | | |
34. | Dunlin | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 1 | 0 | 0 | 5 | 1.7 | 0 | 3 (2021) | | | | |
35. | Woodcock | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2021) | | | | |
36. | Jack Snipe | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2021) | | | | |
37. | Snipe | 0 | 0 | 0 | 0 | 0 | 3 | 11 | 1 | 0 | 0 | 15 | 5 | 0 | 11 (2021) | | | | |
38. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 18 | 17 | 17 | 0 | 0 | 52 | 17.3 | 0 | 18 (2020) | | | | |
39. | Green Sandpiper | 0 | 0 | 0 | 0 | 0 | 5 | 6 | 2 | 0 | 0 | 13 | 4.3 | 0 | 6 (2021) | | | | |
40. | Redshank | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 0 | 0 | 0 | 14 | 4.7 | 0 | 7 (2020) | | | | |
41. | Wood Sandpiper | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2020) | | | | |
42. | Spotted Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0.7 | 0 | 2 (2022) | | | | |
43. | Greenshank | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 3 | 0 | 0 | 7 | 2.3 | 0 | 3 (2022) | | | | |
44. | Black-headed Gull | 0 | 0 | 0 | 0 | 0 | 2 | 17 | 16 | 0 | 0 | 35 | 11.7 | 0 | 17 (2021) | | | | |
45. | Common Gull | 0 | 0 | 0 | 0 | 0 | 8 | 8 | 4 | 0 | 0 | 20 | 6.7 | 0 | 8 (2020) | | | | |
46. | Herring Gull | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 10 | 0 | 0 | 17 | 5.7 | 0 | 10 (2022) | | | | |
47. | Lesser Black-backed Gull | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2020) | | | | |
48. | Bittern | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 0 | 0 | 6 | 2 | 0 | 2 (2020) | | | | |
49. | Grey Heron | 0 | 0 | 0 | 0 | 0 | 54 | 21 | 49 | 0 | 0 | 124 | 41 | 0 | 54 (2020) | | | | |
50. | Great White Egret | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 0.7 | 0 | 1 (2021) | | | | |
| Species | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Totals | Average | Present | Year Maximum | |
51. | Barn Owl | 0 | 0 | 0 | 0 | 0 | 2 | 29 | 17 | 0 | 0 | 48 | 16 | 0 | 29 (2021) | | | | |
52. | Long-eared Owl | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0.7 | 2 | 2 (2020) | | | | |
53. | Tawny Owl | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 0.7 | 0 | 2 (2021) | | | | |
54. | Jay | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2021) | | | | |
55. | Magpie | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2021) | | | | |
56. | Carrion Crow | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 3 | 1 | 0 | 2 (2022) | | | | |
57. | Skylark | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 0.7 | 0 | 1 (2021) | | | | |
58. | Blackcap | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2021) | | | | |
59. | Firecrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2022) | | | | |
60. | Goldcrest | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 4 | 1.3 | 0 | 3 (2021) | | | | |
61. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 31 | 929 | 455 | 0 | 0 | 1415 | 472 | 0 | 929 (2021) | | | | |
62. | Redwing | 0 | 0 | 0 | 0 | 0 | 98 | 140 | 172 | 0 | 0 | 410 | 137 | 0 | 172 (2022) | | | | |
63. | Blackbird | 0 | 0 | 0 | 0 | 0 | 6 | 4 | 1 | 0 | 0 | 11 | 3.7 | 0 | 6 (2020) | | | | |
64. | Fieldfare | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 3 | 1 | 0 | 2 (2021) | | | | |
65. | Ring Ouzel | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 0 | 0 | 6 | 2 | 0 | 4 (2022) | | | | |
66. | Spotted Flycatcher | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 0.7 | 0 | 1 (2020) | | | | |
67. | Robin | 0 | 0 | 0 | 0 | 0 | 2 | 84 | 45 | 0 | 0 | 131 | 44 | 0 | 84 (2021) | | | | |
68. | Pied Flycatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2022) | | | | |
69. | Redstart | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.3 | 0 | 1 (2022) | | | | |
70. | White Wagtail | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 3 | 1 | 0 | 2 (2020) | | | | |
71. | Meadow Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2021) | | | | |
72. | Tree Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 5 | 1.7 | 0 | 4 (2022) | | | | |
73. | Ortolan Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 4 | 1.3 | 0 | 4 (2022) | | | | |
74. | Reed Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.3 | 0 | 1 (2021) | | | | |
75. | Species unidentified | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 0 | 0 | 7 | 2.3 | 0 | 5 (2022) | | | | |
| Species | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Totals | Average | Present | Year Maximum | |
|
Totals |
0 | 0 | 0 | 0 | 0 | 481 | 2042 | 1125 | 0 | 0 | 3648 | 1216 | 4 | | |
|
Observation hours |
| | | | | 483:38 | 598:01 | 314:49 | | | 1,396:28 | 465:29 | | | |