Select until 9 February
Totals De Wilck, Hazerswoude-Dorp 2017 - 2026
| Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Present | Year Maximum | |||||
| 1. | Canada Goose | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 0.2 | 0 | 1 (2021) | ||||
| 2. | Barnacle Goose | 98 | 0 | 0 | 58 | 5 | 0 | 4 | 1474 | 963 | 740 | 3342 | 334 | 0 | 1474 (2024) | ||||
| 3. | Greylag Goose | 40 | 44 | 37 | 10 | 58 | 0 | 0 | 506 | 447 | 50 | 1192 | 119 | 35 | 506 (2024) | ||||
| 4. | goose sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 765 | 135 | 0 | 900 | 90 | 0 | 765 (2024) | ||||
| 5. | Tundra Bean Goose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 4 | 0.4 | 0 | 3 (2025) | ||||
| 6. | Eurasian White-fronted Goose | 0 | 0 | 35 | 0 | 58 | 1 | 0 | 2327 | 494 | 498 | 3413 | 341 | 0 | 2327 (2024) | ||||
| 7. | Black Swan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 0.3 | 0 | 3 (2025) | ||||
| 8. | Mute Swan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 4 | 0.4 | 0 | 2 (2024) | ||||
| 9. | Egyptian Goose | 5 | 0 | 9 | 0 | 42 | 0 | 0 | 2 | 0 | 0 | 58 | 5.8 | 0 | 42 (2021) | ||||
| 10. | Shelduck | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 6 | 0.6 | 0 | 6 (2024) | ||||
| 11. | Shoveler | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.2 | 0 | 2 (2025) | ||||
| 12. | Gadwall | 5 | 0 | 0 | 0 | 5 | 7 | 0 | 0 | 4 | 0 | 21 | 2.1 | 0 | 7 (2022) | ||||
| 13. | Wigeon | 15 | 0 | 0 | 6 | 93 | 22 | 15 | 39 | 51 | 0 | 241 | 24 | 0 | 93 (2021) | ||||
| 14. | Mallard | 7 | 0 | 0 | 5 | 10 | 2 | 8 | 6 | 0 | 0 | 38 | 3.8 | 0 | 10 (2021) | ||||
| 15. | Pintail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 6 | 0 | 9 | 0.9 | 0 | 6 (2025) | ||||
| 16. | Teal | 0 | 3 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 0.5 | 0 | 3 (2018) | ||||
| 17. | Tufted Duck | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 0 | 2 (2020) | ||||
| 18. | Swift | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 29 | 0 | 40 | 4 | 0 | 29 (2025) | ||||
| 19. | Stock Dove | 0 | 0 | 7 | 1 | 3 | 8 | 0 | 14 | 17 | 0 | 50 | 5 | 0 | 17 (2025) | ||||
| 20. | Woodpigeon | 0 | 0 | 2 | 0 | 4 | 3 | 0 | 57 | 85 | 0 | 151 | 15 | 0 | 85 (2025) | ||||
| 21. | Collared Dove | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 2 | 0 | 7 | 0.7 | 0 | 5 (2024) | ||||
| 22. | Great Crested Grebe | 3 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 1 | 0 | 7 | 0.7 | 0 | 3 (2017) | ||||
| 23. | Avocet | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.2 | 0 | 2 (2025) | ||||
| 24. | Golden Plover | 110 | 96 | 138 | 275 | 6 | 70 | 0 | 53 | 108 | 0 | 856 | 86 | 0 | 275 (2020) | ||||
| 25. | Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.2 | 0 | 2 (2025) | ||||
| 26. | Little Ringed Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 0 | 8 | 0.8 | 0 | 7 (2025) | ||||
| 27. | Lapwing | 95 | 0 | 63 | 350 | 67 | 6 | 0 | 33 | 2 | 0 | 616 | 62 | 0 | 350 (2020) | ||||
| 28. | Whimbrel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 84 | 0 | 97 | 9.7 | 22 | 84 (2025) | ||||
| 29. | Curlew | 2 | 13 | 27 | 40 | 4 | 1 | 125 | 75 | 32 | 5 | 324 | 32 | 0 | 125 (2023) | ||||
| 30. | Black-tailed Godwit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 63 | 0 | 79 | 7.9 | 21 | 63 (2025) | ||||
| 31. | Snipe | 10 | 0 | 14 | 16 | 2 | 0 | 19 | 45 | 37 | 0 | 143 | 14 | 30 | 45 (2024) | ||||
| 32. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 0.3 | 0 | 3 (2025) | ||||
| 33. | Green Sandpiper | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 13 | 0 | 16 | 1.6 | 0 | 13 (2025) | ||||
| 34. | Wood Sandpiper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 21 | 2.1 | 0 | 21 (2025) | ||||
| 35. | Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 13 | 0 | 14 | 1.4 | 0 | 13 (2025) | ||||
| 36. | Spotted Redshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 5 | 0.5 | 0 | 3 (2025) | ||||
| 37. | Greenshank | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 26 | 0 | 34 | 3.4 | 3 | 26 (2025) | ||||
| 38. | Ruff | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 69 | 0 | 75 | 7.5 | 0 | 69 (2025) | ||||
| 39. | wader sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 2 | 0 | 17 | 1.7 | 0 | 15 (2024) | ||||
| 40. | Dunlin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 0 | 1 (2025) | ||||
| 41. | Common Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 25 | 0 | 26 | 2.6 | 0 | 25 (2025) | ||||
| 42. | Black-headed Gull | 75 | 0 | 9 | 75 | 3 | 0 | 0 | 297 | 225 | 9 | 693 | 69 | 0 | 297 (2024) | ||||
| 43. | Mediterranean Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 4 | 0.4 | 0 | 2 (2024) | ||||
| 44. | Common Gull | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 103 | 94 | 0 | 209 | 21 | 0 | 103 (2024) | ||||
| 45. | Herring Gull | 3 | 0 | 7 | 0 | 6 | 7 | 0 | 20 | 8 | 1 | 52 | 5.2 | 0 | 20 (2024) | ||||
| 46. | Lesser Black-backed Gull | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 53 | 88 | 1 | 143 | 14 | 0 | 88 (2025) | ||||
| 47. | White Stork | 0 | 0 | 0 | 9 | 2 | 3 | 0 | 3 | 4 | 0 | 21 | 2.1 | 0 | 9 (2020) | ||||
| 48. | Cormorant | 12 | 25 | 10 | 2 | 27 | 3 | 0 | 146 | 528 | 8 | 761 | 76 | 0 | 528 (2025) | ||||
| 49. | Spoonbill | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 24 | 0 | 45 | 4.5 | 0 | 24 (2025) | ||||
| 50. | Little Egret | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 0 | 1 (2025) | ||||
| Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Present | Year Maximum | |||||
| 51. | Cattle Egret | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 0.3 | 3 | 3 (2024) | ||||
| 52. | Great White Egret | 3 | 0 | 3 | 3 | 2 | 0 | 0 | 14 | 19 | 0 | 44 | 4.4 | 0 | 19 (2025) | ||||
| 53. | Grey Heron | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 16 | 31 | 0 | 51 | 5.1 | 0 | 31 (2025) | ||||
| 54. | Purple Heron | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0.2 | 0 | 1 (2024) | ||||
| 55. | Osprey | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 0 | 1 (2024) | ||||
| 56. | Sparrowhawk | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 6 | 0 | 9 | 0.9 | 0 | 6 (2025) | ||||
| 57. | Goshawk | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2020) | ||||
| 58. | Marsh Harrier | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 8 | 9 | 0 | 19 | 1.9 | 0 | 9 (2025) | ||||
| 59. | Hen Harrier | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 0.3 | 0 | 3 (2025) | ||||
| 60. | Red Kite | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 0 | 1 (2025) | ||||
| 61. | Black Kite | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 0 | 1 (2025) | ||||
| 62. | White-tailed Eagle | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 0 | 1 (2025) | ||||
| 63. | Common Buzzard | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 2 | 0 | 6 | 0.6 | 0 | 2 (2024) | ||||
| 64. | Kingfisher | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.2 | 0 | 1 (2017) | ||||
| 65. | Great Spotted Woodpecker | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 0.2 | 0 | 1 (2021) | ||||
| 66. | Kestrel | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 2 | 10 | 0 | 15 | 1.5 | 0 | 10 (2025) | ||||
| 67. | Merlin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.2 | 0 | 2 (2025) | ||||
| 68. | Hobby | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0.2 | 0 | 1 (2024) | ||||
| 69. | Peregrine | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 3 | 0.3 | 0 | 1 (2022) | ||||
| 70. | Rose-ringed Parakeet | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 0 | 1 (2025) | ||||
| 71. | Magpie | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0.2 | 0 | 2 (2024) | ||||
| 72. | Jackdaw | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 6 | 8 | 0 | 36 | 3.6 | 0 | 22 (2019) | ||||
| 73. | Carrion Crow | 2 | 0 | 1 | 0 | 3 | 0 | 0 | 2 | 0 | 0 | 8 | 0.8 | 0 | 3 (2021) | ||||
| 74. | Raven | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 3 | 0.3 | 0 | 2 (2024) | ||||
| 75. | Blue Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.2 | 0 | 2 (2025) | ||||
| 76. | Wood Lark | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 4 | 0.4 | 0 | 2 (2020) | ||||
| 77. | Skylark | 2 | 189 | 68 | 6 | 0 | 2 | 0 | 268 | 521 | 0 | 1056 | 106 | 1 | 521 (2025) | ||||
| 78. | Sand Martin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 37 | 0 | 38 | 3.8 | 0 | 37 (2025) | ||||
| 79. | Swallow | 0 | 3 | 15 | 55 | 1 | 7 | 5 | 27 | 191 | 0 | 304 | 30 | 0 | 191 (2025) | ||||
| 80. | House Martin | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 5 | 16 | 0 | 24 | 2.4 | 0 | 16 (2025) | ||||
| 81. | Chiffchaff | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.1 | 0 | 1 (2025) | ||||
| 82. | Starling | 125 | 210 | 210 | 250 | 140 | 11 | 0 | 9970 | 6493 | 0 | 17409 | 1741 | 0 | 9970 (2024) | ||||
| 83. | Song Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 26 | 0 | 34 | 3.4 | 0 | 26 (2025) | ||||
| 84. | Mistle Thrush | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.2 | 0 | 2 (2025) | ||||
| 85. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 22 | 0 | 40 | 4 | 0 | 22 (2025) | ||||
| 86. | Blackbird | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2019) | ||||
| 87. | Fieldfare | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 1 | 85 | 0 | 99 | 9.9 | 0 | 85 (2025) | ||||
| 88. | Ring Ouzel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.2 | 0 | 2 (2025) | ||||
| 89. | Whinchat | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2020) | ||||
| 90. | Wheatear | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0.1 | 0 | 1 (2021) | ||||
| 91. | Tree Sparrow | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 1 | 0 | 0 | 6 | 0.6 | 0 | 5 (2021) | ||||
| 92. | Blue-headed Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 73 | 0 | 96 | 9.6 | 3 | 73 (2025) | ||||
| 93. | Yellow wagtail sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 7 | 0.7 | 0 | 7 (2025) | ||||
| 94. | Grey Wagtail | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 3 | 2 | 1 | 9 | 0.9 | 0 | 3 (2024) | ||||
| 95. | White Wagtail | 6 | 8 | 9 | 0 | 0 | 2 | 26 | 26 | 43 | 0 | 120 | 12 | 0 | 43 (2025) | ||||
| 96. | alba wagtail sp. | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 1 | 6 | 0 | 23 | 2.3 | 0 | 16 (2020) | ||||
| 97. | Pied Wagtail | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0.1 | 1 | 1 (2024) | ||||
| 98. | Meadow Pipit | 64 | 225 | 37 | 65 | 78 | 19 | 110 | 274 | 767 | 0 | 1639 | 164 | 5 | 767 (2025) | ||||
| 99. | Tree Pipit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.2 | 0 | 2 (2025) | ||||
| 100. | Chaffinch | 0 | 62 | 2 | 0 | 0 | 0 | 2 | 116 | 245 | 0 | 427 | 43 | 0 | 245 (2025) | ||||
| Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Present | Year Maximum | |||||
| 101. | Brambling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 5 | 0.5 | 0 | 4 (2025) | ||||
| 102. | Greenfinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 5 | 0 | 15 | 1.5 | 0 | 10 (2024) | ||||
| 103. | Linnet | 42 | 15 | 26 | 0 | 23 | 0 | 21 | 26 | 48 | 0 | 201 | 20 | 0 | 48 (2025) | ||||
| 104. | Goldfinch | 0 | 0 | 0 | 2 | 16 | 0 | 0 | 29 | 13 | 0 | 60 | 6 | 0 | 29 (2024) | ||||
| 105. | Siskin | 0 | 0 | 0 | 0 | 0 | 0 | 60 | 4 | 0 | 0 | 64 | 6.4 | 0 | 60 (2023) | ||||
| 106. | Reed Bunting | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 28 | 15 | 0 | 51 | 5.1 | 2 | 28 (2024) | ||||
| Species | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Totals | Average | Present | Year Maximum | |||||
| Totals | 727 | 907 | 774 | 1252 | 669 | 180 | 408 | 17041 | 12456 | 1313 | 35727 | 3573 | 126 | ||||||
| Observation hours | 4:30 | 4:15 | 4:00 | 3:00 | 4:52 | 4:15 | 4:45 | 48:03 | 90:50 | 1:59 | 170:29 | 17:03 | |||||||
