Select until 6 May
Totals Sliedrecht - Oude Uitbreiding (nacht) 2016 - 2025
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |||||
| 1. | Fulvous Whistling Duck | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | ||||
| 2. | Bewick's Swan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 25 | 12.5 | 0 | 25 (2025) | ||||
| 3. | Whooper Swan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 8 | 4 | 0 | 8 (2024) | ||||
| 4. | Shelduck | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1.5 | 0 | 3 (2025) | ||||
| 5. | Wigeon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3184 | 4657 | 7841 | 3921 | 0 | 4657 (2025) | ||||
| 6. | Pintail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 7. | Teal | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 35 | 171 | 206 | 103 | 0 | 171 (2025) | ||||
| 8. | Goldeneye | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 4 | 10 | 5 | 0 | 6 (2024) | ||||
| 9. | Quail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1.5 | 0 | 3 (2025) | ||||
| 10. | Swift | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 4.5 | 0 | 9 (2025) | ||||
| 11. | Cuckoo | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1.5 | 0 | 3 (2025) | ||||
| 12. | Water Rail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 43 | 43 | 21.5 | 0 | 43 (2025) | ||||
| 13. | Spotted Crake | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | ||||
| 14. | Moorhen | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 55 | 61 | 30.5 | 0 | 55 (2025) | ||||
| 15. | Coot | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 75 | 32 | 107 | 54 | 0 | 75 (2024) | ||||
| 16. | Crane | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 0 | 1 (2024) | ||||
| 17. | Little Grebe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 14 | 17 | 8.5 | 0 | 14 (2025) | ||||
| 18. | Great Crested Grebe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | ||||
| 19. | Stone Curlew | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | ||||
| 20. | Oystercatcher | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 228 | 228 | 114 | 0 | 228 (2025) | ||||
| 21. | Avocet | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 539 | 539 | 270 | 0 | 539 (2025) | ||||
| 22. | Golden Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 16 | 34 | 17 | 0 | 18 (2024) | ||||
| 23. | Little Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 14 | 7 | 0 | 14 (2025) | ||||
| 24. | Lapwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 0 | 1 (2024) | ||||
| 25. | Whimbrel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 18 | 9 | 0 | 18 (2025) | ||||
| 26. | Curlew | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 18 | 36 | 18 | 0 | 18 (2024) | ||||
| 27. | Black-tailed Godwit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 62 | 62 | 31 | 0 | 62 (2025) | ||||
| 28. | Snipe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 5 | 39 | 19.5 | 0 | 34 (2024) | ||||
| 29. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 20 | 10 | 0 | 20 (2025) | ||||
| 30. | Green Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 13 | 19 | 9.5 | 0 | 13 (2025) | ||||
| 31. | Wood Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | ||||
| 32. | Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 17 | 8.5 | 0 | 17 (2025) | ||||
| 33. | Greenshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 8 | 4 | 0 | 8 (2025) | ||||
| 34. | Dunlin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 7 | 3.5 | 0 | 4 (2025) | ||||
| 35. | Common Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | ||||
| 36. | Black-headed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 5 | 2.5 | 0 | 3 (2025) | ||||
| 37. | Mediterranean Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | ||||
| 38. | Common Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 4 | 2 | 0 | 3 (2025) | ||||
| 39. | Herring Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | ||||
| 40. | Lesser Black-backed Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | ||||
| 41. | Bittern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 8 | 28 | 14 | 0 | 20 (2024) | ||||
| 42. | Little Egret | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 0 | 1 (2024) | ||||
| 43. | Grey Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 126 | 47 | 173 | 87 | 0 | 126 (2024) | ||||
| 44. | Common Buzzard | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | ||||
| 45. | Barn Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 10 | 5 | 0 | 5 (2024) | ||||
| 46. | Long-eared Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | ||||
| 47. | Tawny Owl | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 1.5 | 1 | 3 (2025) | ||||
| 48. | Great Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | ||||
| 49. | Skylark | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 4 | 2 | 0 | 2 (2024) | ||||
| 50. | Sand Martin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2025) | ||||
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |||||
| 51. | Marsh Warbler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | ||||
| 52. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 298 | 782 | 1080 | 540 | 0 | 782 (2025) | ||||
| 53. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2965 | 938 | 3903 | 1952 | 0 | 2965 (2024) | ||||
| 54. | Blackbird | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 168 | 6 | 174 | 87 | 0 | 168 (2024) | ||||
| 55. | Fieldfare | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 17 | 30 | 15 | 0 | 17 (2025) | ||||
| 56. | Ring Ouzel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 (2025) | ||||
| 57. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 9 | 4.5 | 0 | 7 (2025) | ||||
| 58. | Black Redstart | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | ||||
| 59. | Dunnock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 5 | 2.5 | 0 | 4 (2025) | ||||
| 60. | Grey Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | ||||
| 61. | Meadow Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 4 | 2 | 0 | 3 (2025) | ||||
| 62. | Tree Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 3 | 0 | 6 (2025) | ||||
| 63. | Chaffinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | ||||
| 64. | Brambling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 7 | 3.5 | 0 | 7 (2024) | ||||
| 65. | Hawfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | ||||
| 66. | Bullfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | ||||
| 67. | Siskin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.5 | 0 | 1 (2024) | ||||
| 68. | Yellowhammer | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.5 | 0 | 1 (2025) | ||||
| 69. | Species unidentified | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 4 | 27 | 13.5 | 0 | 23 (2024) | ||||
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |||||
| Totals | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7041 | 7838 | 14879 | 7440 | 1 | ||||||
| Observation hours | 796:12 | 832:12 | 1,628:24 | 814:12 | |||||||||||||||
