Select until 4 July
Totals De Wilck, Hazerswoude-Dorp 2016 - 2025
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |||||
| 1. | Canada Goose | 52 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 54 | 5.4 | 0 | 52 (2016) | ||||
| 2. | Barnacle Goose | 2 | 98 | 0 | 0 | 58 | 5 | 0 | 4 | 1474 | 930 | 2571 | 257 | 0 | 1474 (2024) | ||||
| 3. | Greylag Goose | 97 | 40 | 44 | 37 | 10 | 58 | 0 | 0 | 506 | 272 | 1064 | 106 | 35 | 506 (2024) | ||||
| 4. | goose sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 765 | 115 | 880 | 88 | 0 | 765 (2024) | ||||
| 5. | Tundra Bean Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 0 | 1 (2024) | ||||
| 6. | Eurasian White-fronted Goose | 0 | 0 | 0 | 35 | 0 | 58 | 1 | 0 | 2327 | 163 | 2584 | 258 | 0 | 2327 (2024) | ||||
| 7. | Black Swan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0.3 | 0 | 3 (2025) | ||||
| 8. | Mute Swan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 4 | 0.4 | 0 | 2 (2024) | ||||
| 9. | Egyptian Goose | 11 | 5 | 0 | 9 | 0 | 42 | 0 | 0 | 2 | 0 | 69 | 6.9 | 0 | 42 (2021) | ||||
| 10. | Shelduck | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 6 | 0.6 | 0 | 6 (2024) | ||||
| 11. | Shoveler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0.2 | 0 | 2 (2025) | ||||
| 12. | Gadwall | 0 | 5 | 0 | 0 | 0 | 5 | 7 | 0 | 0 | 4 | 21 | 2.1 | 0 | 7 (2022) | ||||
| 13. | Wigeon | 0 | 15 | 0 | 0 | 6 | 93 | 22 | 15 | 39 | 37 | 227 | 23 | 0 | 93 (2021) | ||||
| 14. | Mallard | 2 | 7 | 0 | 0 | 5 | 10 | 2 | 8 | 6 | 0 | 40 | 4 | 0 | 10 (2021) | ||||
| 15. | Pintail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 0.3 | 0 | 3 (2024) | ||||
| 16. | Teal | 0 | 0 | 3 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0.5 | 0 | 3 (2018) | ||||
| 17. | Tufted Duck | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 0 | 2 (2020) | ||||
| 18. | Swift | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 29 | 40 | 4 | 0 | 29 (2025) | ||||
| 19. | Stock Dove | 7 | 0 | 0 | 7 | 1 | 3 | 8 | 0 | 14 | 9 | 49 | 4.9 | 0 | 14 (2024) | ||||
| 20. | Woodpigeon | 6 | 0 | 0 | 2 | 0 | 4 | 3 | 0 | 57 | 44 | 116 | 12 | 0 | 57 (2024) | ||||
| 21. | Collared Dove | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 2 | 7 | 0.7 | 0 | 5 (2024) | ||||
| 22. | Great Crested Grebe | 0 | 3 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 6 | 0.6 | 0 | 3 (2017) | ||||
| 23. | Avocet | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0.2 | 0 | 2 (2025) | ||||
| 24. | Golden Plover | 872 | 110 | 96 | 138 | 275 | 6 | 70 | 0 | 53 | 6 | 1626 | 163 | 0 | 872 (2016) | ||||
| 25. | Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0.2 | 0 | 2 (2025) | ||||
| 26. | Little Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 6 | 0.6 | 0 | 5 (2025) | ||||
| 27. | Lapwing | 15 | 95 | 0 | 63 | 350 | 67 | 6 | 0 | 33 | 2 | 631 | 63 | 0 | 350 (2020) | ||||
| 28. | Whimbrel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 84 | 97 | 9.7 | 22 | 84 (2025) | ||||
| 29. | Curlew | 18 | 2 | 13 | 27 | 40 | 4 | 1 | 125 | 75 | 9 | 314 | 31 | 0 | 125 (2023) | ||||
| 30. | Black-tailed Godwit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 63 | 79 | 7.9 | 21 | 63 (2025) | ||||
| 31. | Snipe | 11 | 10 | 0 | 14 | 16 | 2 | 0 | 19 | 45 | 17 | 134 | 13 | 30 | 45 (2024) | ||||
| 32. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0.3 | 0 | 3 (2025) | ||||
| 33. | Green Sandpiper | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 8 | 12 | 1.2 | 0 | 8 (2025) | ||||
| 34. | Wood Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 15 | 1.5 | 0 | 15 (2025) | ||||
| 35. | Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 13 | 14 | 1.4 | 0 | 13 (2025) | ||||
| 36. | Spotted Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 5 | 0.5 | 0 | 3 (2025) | ||||
| 37. | Greenshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 25 | 33 | 3.3 | 3 | 25 (2025) | ||||
| 38. | Ruff | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 63 | 69 | 6.9 | 0 | 63 (2025) | ||||
| 39. | wader sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 2 | 17 | 1.7 | 0 | 15 (2024) | ||||
| 40. | Dunlin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 0 | 1 (2025) | ||||
| 41. | Common Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 22 | 23 | 2.3 | 0 | 22 (2025) | ||||
| 42. | Black-headed Gull | 84 | 75 | 0 | 9 | 75 | 3 | 0 | 0 | 297 | 193 | 736 | 74 | 0 | 297 (2024) | ||||
| 43. | Mediterranean Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 4 | 0.4 | 0 | 2 (2024) | ||||
| 44. | Common Gull | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 103 | 94 | 209 | 21 | 0 | 103 (2024) | ||||
| 45. | Herring Gull | 1 | 3 | 0 | 7 | 0 | 6 | 7 | 0 | 20 | 8 | 52 | 5.2 | 0 | 20 (2024) | ||||
| 46. | Lesser Black-backed Gull | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 53 | 64 | 119 | 12 | 0 | 64 (2025) | ||||
| 47. | White Stork | 0 | 0 | 0 | 0 | 9 | 2 | 3 | 0 | 3 | 1 | 18 | 1.8 | 0 | 9 (2020) | ||||
| 48. | Cormorant | 76 | 12 | 25 | 10 | 2 | 27 | 3 | 0 | 146 | 131 | 432 | 43 | 0 | 146 (2024) | ||||
| 49. | Spoonbill | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 21 | 42 | 4.2 | 0 | 21 (2024) | ||||
| 50. | Cattle Egret | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 0.3 | 3 | 3 (2024) | ||||
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |||||
| 51. | Great White Egret | 8 | 3 | 0 | 3 | 3 | 2 | 0 | 0 | 14 | 4 | 37 | 3.7 | 0 | 14 (2024) | ||||
| 52. | Grey Heron | 2 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 16 | 18 | 40 | 4 | 0 | 18 (2025) | ||||
| 53. | Purple Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0.2 | 0 | 1 (2024) | ||||
| 54. | Osprey | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 0 | 1 (2024) | ||||
| 55. | Sparrowhawk | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 4 | 8 | 0.8 | 0 | 4 (2025) | ||||
| 56. | Goshawk | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2020) | ||||
| 57. | Marsh Harrier | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 8 | 9 | 20 | 2 | 0 | 9 (2025) | ||||
| 58. | Hen Harrier | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0.2 | 0 | 2 (2025) | ||||
| 59. | Red Kite | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 0 | 1 (2025) | ||||
| 60. | Black Kite | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 0 | 1 (2025) | ||||
| 61. | Common Buzzard | 9 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 1 | 14 | 1.4 | 0 | 9 (2016) | ||||
| 62. | Kingfisher | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 0.4 | 0 | 2 (2016) | ||||
| 63. | Great Spotted Woodpecker | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 0.2 | 0 | 1 (2021) | ||||
| 64. | Kestrel | 3 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 2 | 6 | 14 | 1.4 | 0 | 6 (2025) | ||||
| 65. | Merlin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0.2 | 0 | 2 (2025) | ||||
| 66. | Hobby | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 0 | 1 (2024) | ||||
| 67. | Peregrine | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 3 | 0.3 | 0 | 1 (2022) | ||||
| 68. | Rose-ringed Parakeet | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.1 | 0 | 1 (2025) | ||||
| 69. | Magpie | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.2 | 0 | 2 (2024) | ||||
| 70. | Jackdaw | 10 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 6 | 8 | 46 | 4.6 | 0 | 22 (2019) | ||||
| 71. | Carrion Crow | 3 | 2 | 0 | 1 | 0 | 3 | 0 | 0 | 2 | 0 | 11 | 1.1 | 0 | 3 (2016) | ||||
| 72. | Raven | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 3 | 0.3 | 0 | 2 (2024) | ||||
| 73. | Wood Lark | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 4 | 0.4 | 0 | 2 (2020) | ||||
| 74. | Skylark | 0 | 2 | 189 | 68 | 6 | 0 | 2 | 0 | 268 | 7 | 542 | 54 | 1 | 268 (2024) | ||||
| 75. | Sand Martin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 11 | 12 | 1.2 | 0 | 11 (2025) | ||||
| 76. | Swallow | 9 | 0 | 3 | 15 | 55 | 1 | 7 | 5 | 27 | 49 | 171 | 17 | 0 | 55 (2020) | ||||
| 77. | House Martin | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 5 | 5 | 13 | 1.3 | 0 | 5 (2024) | ||||
| 78. | Starling | 122 | 125 | 210 | 210 | 250 | 140 | 11 | 0 | 9970 | 405 | 11443 | 1144 | 0 | 9970 (2024) | ||||
| 79. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 8 | 0.8 | 0 | 8 (2024) | ||||
| 80. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 18 | 1.8 | 0 | 18 (2024) | ||||
| 81. | Blackbird | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2019) | ||||
| 82. | Fieldfare | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 14 | 1.4 | 0 | 13 (2018) | ||||
| 83. | Ring Ouzel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0.2 | 0 | 2 (2025) | ||||
| 84. | Whinchat | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2020) | ||||
| 85. | Wheatear | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2021) | ||||
| 86. | Tree Sparrow | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 1 | 0 | 6 | 0.6 | 0 | 5 (2021) | ||||
| 87. | Blue-headed Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 14 | 37 | 3.7 | 3 | 23 (2024) | ||||
| 88. | Yellow wagtail sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 0.7 | 0 | 7 (2025) | ||||
| 89. | Grey Wagtail | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 3 | 0 | 6 | 0.6 | 0 | 3 (2024) | ||||
| 90. | White Wagtail | 12 | 6 | 8 | 9 | 0 | 0 | 2 | 26 | 26 | 16 | 105 | 11 | 0 | 26 (2023) | ||||
| 91. | alba wagtail sp. | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 1 | 5 | 22 | 2.2 | 0 | 16 (2020) | ||||
| 92. | Pied Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 1 | 1 (2024) | ||||
| 93. | Meadow Pipit | 193 | 64 | 225 | 37 | 65 | 78 | 19 | 110 | 274 | 405 | 1470 | 147 | 5 | 405 (2025) | ||||
| 94. | Tree Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0.2 | 0 | 2 (2025) | ||||
| 95. | Chaffinch | 0 | 0 | 62 | 2 | 0 | 0 | 0 | 2 | 116 | 4 | 186 | 19 | 0 | 116 (2024) | ||||
| 96. | Brambling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 0 | 1 (2024) | ||||
| 97. | Greenfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 5 | 15 | 1.5 | 0 | 10 (2024) | ||||
| 98. | Linnet | 31 | 42 | 15 | 26 | 0 | 23 | 0 | 21 | 26 | 11 | 195 | 20 | 0 | 42 (2017) | ||||
| 99. | Goldfinch | 41 | 0 | 0 | 0 | 2 | 16 | 0 | 0 | 29 | 6 | 94 | 9.4 | 0 | 41 (2016) | ||||
| 100. | Siskin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 60 | 4 | 0 | 64 | 6.4 | 0 | 60 (2023) | ||||
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |||||
| 101. | Reed Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 28 | 8 | 44 | 4.4 | 2 | 28 (2024) | ||||
| Species | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Totals | Average | Present | Year Maximum | |||||
| Totals | 1703 | 727 | 907 | 774 | 1252 | 669 | 180 | 408 | 17041 | 3492 | 27153 | 2715 | 126 | ||||||
| Observation hours | 4:30 | 4:15 | 4:00 | 3:00 | 4:52 | 4:15 | 4:45 | 48:03 | 58:00 | 135:40 | 13:34 | ||||||||
