Also present
Totals Hoogekampse Plas, De Bilt 2025
| Species | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Barnacle Goose | 618 | 181 | 4 | 803 | 354 | 449 | 252 (15 Feb) | 50 | 9 | 15 Feb | 3 Apr | ||||
| 2. | Greylag Goose | 90 | 208 | 33 | 331 | 68 | 263 | 57 ( 7 Mar) | 89 | 16 | 6 Feb | 4 Apr | ||||
| 3. | Anser sp. | 35 | 142 | 0 | 177 | 0 | 177 | 100 ( 5 Mar) | 17 | 3 | 15 Feb | 7 Mar | ||||
| 4. | goose sp. | 0 | 23 | 8 | 31 | 0 | 31 | 12 ( 8 Mar) | 17 | 3 | 8 Mar | 2 Apr | ||||
| 5. | Tundra Bean Goose | 113 | 0 | 0 | 113 | 18 | 95 | 50 (21 Feb) | 22 | 4 | 6 Feb | 28 Feb | ||||
| 6. | Eurasian White-fronted Goose | 2277 | 6002 | 0 | 8279 | 776 | 7503 | 4624 (20 Mar) | 61 | 11 | 6 Feb | 21 Mar | ||||
| 7. | Shelduck | 1 | 3 | 0 | 4 | 2 | 2 | 2 ( 9 Mar) | 17 | 3 | 6 Feb | 20 Mar | ||||
| 8. | Gadwall | 4 | 1 | 1 | 6 | 0 | 6 | 4 (21 Feb) | 17 | 3 | 21 Feb | 3 Apr | ||||
| 9. | Wigeon | 0 | 134 | 0 | 134 | 0 | 134 | 130 ( 8 Mar) | 11 | 2 | 8 Mar | 29 Mar | ||||
| 10. | Mallard | 0 | 3 | 0 | 3 | 0 | 3 | 3 ( 7 Mar) | 6 | 1 | 7 Mar | 7 Mar | ||||
| 11. | duck sp. | 22 | 0 | 0 | 22 | 0 | 22 | 22 (21 Feb) | 6 | 1 | 21 Feb | 21 Feb | ||||
| 12. | Goosander | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 8 Mar) | 6 | 1 | 8 Mar | 8 Mar | ||||
| 13. | Stock Dove | 6 | 12 | 8 | 26 | 0 | 26 | 6 ( 3 Apr) | 67 | 12 | 8 Feb | 3 Apr | ||||
| 14. | Woodpigeon | 7 | 272 | 67 | 346 | 0 | 346 | 146 (19 Mar) | 78 | 14 | 15 Feb | 4 Apr | ||||
| 15. | Collared Dove | 0 | 5 | 1 | 6 | 1 | 5 | 3 (20 Mar) | 22 | 4 | 9 Mar | 3 Apr | ||||
| 16. | Crane | 0 | 8 | 0 | 8 | 0 | 8 | 7 (19 Mar) | 11 | 2 | 7 Mar | 19 Mar | ||||
| 17. | Oystercatcher | 2 | 2 | 2 | 6 | 0 | 6 | 2 (28 Feb) | 28 | 5 | 28 Feb | 4 Apr | ||||
| 18. | Golden Plover | 285 | 55 | 0 | 340 | 0 | 340 | 285 (21 Feb) | 33 | 6 | 21 Feb | 21 Mar | ||||
| 19. | Little Ringed Plover | 0 | 12 | 6 | 18 | 1 | 17 | 4 (19 Mar) | 50 | 9 | 15 Mar | 4 Apr | ||||
| 20. | Lapwing | 1315 | 59 | 12 | 1386 | 7 | 1379 | 615 (21 Feb) | 83 | 15 | 6 Feb | 3 Apr | ||||
| 21. | Curlew | 3 | 3 | 0 | 6 | 6 | 0 | 3 (21 Feb) | 11 | 2 | 21 Feb | 7 Mar | ||||
| 22. | Black-tailed Godwit | 0 | 16 | 1 | 17 | 14 | 3 | 13 (20 Mar) | 28 | 5 | 5 Mar | 2 Apr | ||||
| 23. | Snipe | 0 | 2 | 1 | 3 | 1 | 2 | 1 ( 5 Mar) | 17 | 3 | 5 Mar | 4 Apr | ||||
| 24. | Green Sandpiper | 0 | 7 | 17 | 24 | 0 | 24 | 14 ( 3 Apr) | 50 | 9 | 5 Mar | 4 Apr | ||||
| 25. | Redshank | 0 | 36 | 7 | 43 | 1 | 42 | 11 (20 Mar) | 67 | 12 | 5 Mar | 4 Apr | ||||
| 26. | wader sp. | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 3 Apr) | 6 | 1 | 3 Apr | 3 Apr | ||||
| 27. | Little Gull | 0 | 2 | 0 | 2 | 0 | 2 | 2 (29 Mar) | 6 | 1 | 29 Mar | 29 Mar | ||||
| 28. | Black-headed Gull | 171 | 452 | 83 | 706 | 0 | 706 | 197 ( 7 Mar) | 67 | 12 | 15 Feb | 3 Apr | ||||
| 29. | Mediterranean Gull | 0 | 7 | 0 | 7 | 1 | 6 | 5 (29 Mar) | 17 | 3 | 5 Mar | 29 Mar | ||||
| 30. | Common Gull | 16 | 59 | 5 | 80 | 0 | 80 | 32 ( 7 Mar) | 50 | 9 | 15 Feb | 3 Apr | ||||
| Species | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Caspian Gull | 1 | 2 | 0 | 3 | 0 | 3 | 1 (21 Feb) | 17 | 3 | 21 Feb | 20 Mar | ||||
| 32. | Herring Gull | 5 | 8 | 0 | 13 | 0 | 13 | 5 (21 Feb) | 28 | 5 | 21 Feb | 21 Mar | ||||
| 33. | Yellow-legged Gull | 0 | 1 | 0 | 1 | 0 | 1 | 1 (15 Mar) | 6 | 1 | 15 Mar | 15 Mar | ||||
| 34. | Lesser Black-backed Gull | 13 | 66 | 15 | 94 | 0 | 94 | 16 ( 7 Mar) | 61 | 11 | 21 Feb | 3 Apr | ||||
| 35. | large gull sp. | 0 | 3 | 0 | 3 | 0 | 3 | 2 ( 7 Mar) | 11 | 2 | 7 Mar | 8 Mar | ||||
| 36. | White Stork | 5 | 7 | 1 | 13 | 3 | 10 | 7 (19 Mar) | 17 | 3 | 21 Feb | 3 Apr | ||||
| 37. | Cormorant | 18 | 908 | 393 | 1319 | 8 | 1311 | 650 (19 Mar) | 83 | 15 | 15 Feb | 4 Apr | ||||
| 38. | Spoonbill | 1 | 4 | 0 | 5 | 0 | 5 | 4 (29 Mar) | 11 | 2 | 21 Feb | 29 Mar | ||||
| 39. | Great White Egret | 1 | 12 | 2 | 15 | 0 | 15 | 5 ( 7 Mar) | 44 | 8 | 21 Feb | 2 Apr | ||||
| 40. | Grey Heron | 2 | 23 | 17 | 42 | 0 | 42 | 12 ( 4 Apr) | 67 | 12 | 15 Feb | 4 Apr | ||||
| 41. | Purple Heron | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 7 Mar) | 6 | 1 | 7 Mar | 7 Mar | ||||
| 42. | Sparrowhawk | 1 | 9 | 5 | 15 | 0 | 15 | 3 (21 Mar) | 56 | 10 | 21 Feb | 4 Apr | ||||
| 43. | Marsh Harrier | 0 | 7 | 12 | 19 | 0 | 19 | 7 ( 3 Apr) | 44 | 8 | 19 Mar | 4 Apr | ||||
| 44. | Hen Harrier | 0 | 1 | 0 | 1 | 0 | 1 | 1 (19 Mar) | 6 | 1 | 19 Mar | 19 Mar | ||||
| 45. | Common Buzzard | 1 | 6 | 1 | 8 | 0 | 8 | 4 (19 Mar) | 28 | 5 | 21 Feb | 3 Apr | ||||
| 46. | Great Spotted Woodpecker | 1 | 4 | 1 | 6 | 0 | 6 | 2 (28 Mar) | 28 | 5 | 21 Feb | 4 Apr | ||||
| 47. | Kestrel | 0 | 1 | 6 | 7 | 0 | 7 | 4 ( 3 Apr) | 22 | 4 | 19 Mar | 4 Apr | ||||
| 48. | Merlin | 0 | 0 | 2 | 2 | 0 | 2 | 1 ( 3 Apr) | 11 | 2 | 3 Apr | 4 Apr | ||||
| 49. | Peregrine | 1 | 0 | 0 | 1 | 0 | 1 | 1 (21 Feb) | 6 | 1 | 21 Feb | 21 Feb | ||||
| 50. | Yellow-crowned Amazon | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 8 Mar) | 6 | 1 | 8 Mar | 8 Mar | ||||
| 51. | Jay | 2 | 7 | 2 | 11 | 0 | 11 | 4 (29 Mar) | 22 | 4 | 15 Feb | 3 Apr | ||||
| 52. | Magpie | 0 | 9 | 2 | 11 | 0 | 11 | 9 (29 Mar) | 11 | 2 | 29 Mar | 3 Apr | ||||
| 53. | Jackdaw | 6 | 55 | 8 | 69 | 0 | 69 | 22 (19 Mar) | 61 | 11 | 21 Feb | 2 Apr | ||||
| 54. | Rook | 0 | 2 | 0 | 2 | 0 | 2 | 2 (21 Mar) | 6 | 1 | 21 Mar | 21 Mar | ||||
| 55. | Marsh Tit | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 8 Mar) | 6 | 1 | 8 Mar | 8 Mar | ||||
| 56. | Blue Tit | 0 | 20 | 2 | 22 | 0 | 22 | 6 (29 Mar) | 50 | 9 | 7 Mar | 3 Apr | ||||
| 57. | Great Tit | 0 | 1 | 1 | 2 | 0 | 2 | 1 (20 Mar) | 11 | 2 | 20 Mar | 3 Apr | ||||
| 58. | Wood Lark | 2 | 4 | 0 | 6 | 1 | 5 | 2 (21 Feb) | 22 | 4 | 21 Feb | 29 Mar | ||||
| 59. | Skylark | 19 | 18 | 0 | 37 | 3 | 34 | 17 (21 Feb) | 50 | 9 | 6 Feb | 28 Mar | ||||
| 60. | Sand Martin | 0 | 3 | 20 | 23 | 0 | 23 | 15 ( 3 Apr) | 28 | 5 | 21 Mar | 3 Apr | ||||
| Species | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Swallow | 0 | 35 | 124 | 159 | 0 | 159 | 68 ( 3 Apr) | 33 | 6 | 19 Mar | 4 Apr | ||||
| 62. | House Martin | 0 | 2 | 1 | 3 | 0 | 3 | 2 (28 Mar) | 11 | 2 | 28 Mar | 2 Apr | ||||
| 63. | Long-tailed Tit | 2 | 0 | 0 | 2 | 0 | 2 | 2 (21 Feb) | 6 | 1 | 21 Feb | 21 Feb | ||||
| 64. | Chiffchaff | 0 | 6 | 2 | 8 | 0 | 8 | 3 (20 Mar) | 28 | 5 | 9 Mar | 3 Apr | ||||
| 65. | Starling | 36 | 1488 | 14 | 1538 | 0 | 1538 | 986 (21 Mar) | 78 | 14 | 6 Feb | 4 Apr | ||||
| 66. | Song Thrush | 0 | 2 | 0 | 2 | 0 | 2 | 1 ( 8 Mar) | 11 | 2 | 8 Mar | 21 Mar | ||||
| 67. | Redwing | 62 | 759 | 68 | 889 | 0 | 889 | 421 (29 Mar) | 78 | 14 | 21 Feb | 4 Apr | ||||
| 68. | Fieldfare | 12 | 127 | 10 | 149 | 6 | 143 | 41 ( 8 Mar) | 61 | 11 | 8 Feb | 3 Apr | ||||
| 69. | Ring Ouzel | 0 | 2 | 5 | 7 | 0 | 7 | 5 ( 3 Apr) | 11 | 2 | 29 Mar | 3 Apr | ||||
| 70. | thrush sp. | 0 | 0 | 2 | 2 | 0 | 2 | 2 ( 4 Apr) | 6 | 1 | 4 Apr | 4 Apr | ||||
| 71. | Dunnock | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 7 Mar) | 6 | 1 | 7 Mar | 7 Mar | ||||
| 72. | Blue-headed Wagtail | 0 | 0 | 4 | 4 | 0 | 4 | 3 ( 3 Apr) | 11 | 2 | 3 Apr | 4 Apr | ||||
| 73. | Yellow wagtail sp. | 0 | 0 | 4 | 4 | 0 | 4 | 4 ( 4 Apr) | 6 | 1 | 4 Apr | 4 Apr | ||||
| 74. | White Wagtail | 8 | 150 | 45 | 203 | 2 | 201 | 41 (21 Mar) | 83 | 15 | 15 Feb | 4 Apr | ||||
| 75. | Meadow Pipit | 15 | 88 | 364 | 467 | 0 | 467 | 174 ( 3 Apr) | 67 | 12 | 21 Feb | 4 Apr | ||||
| 76. | Tree Pipit | 0 | 0 | 2 | 2 | 0 | 2 | 1 ( 3 Apr) | 11 | 2 | 3 Apr | 4 Apr | ||||
| 77. | Water Pipit | 1 | 0 | 1 | 2 | 0 | 2 | 1 ( 6 Feb) | 11 | 2 | 6 Feb | 2 Apr | ||||
| 78. | pipit sp. | 0 | 1 | 0 | 1 | 0 | 1 | 1 ( 9 Mar) | 6 | 1 | 9 Mar | 9 Mar | ||||
| 79. | Chaffinch | 19 | 1606 | 30 | 1655 | 7 | 1648 | 672 ( 8 Mar) | 83 | 15 | 15 Feb | 4 Apr | ||||
| 80. | Brambling | 2 | 2 | 0 | 4 | 1 | 3 | 1 ( 8 Feb) | 22 | 4 | 8 Feb | 21 Mar | ||||
| 81. | Hawfinch | 2 | 6 | 4 | 12 | 1 | 11 | 2 ( 9 Mar) | 44 | 8 | 8 Feb | 4 Apr | ||||
| 82. | Greenfinch | 4 | 14 | 11 | 29 | 0 | 29 | 9 ( 3 Apr) | 56 | 10 | 15 Feb | 3 Apr | ||||
| 83. | Linnet | 0 | 17 | 13 | 30 | 1 | 29 | 7 ( 2 Apr) | 39 | 7 | 8 Mar | 3 Apr | ||||
| 84. | redpoll sp. | 1 | 0 | 0 | 1 | 0 | 1 | 1 ( 6 Feb) | 6 | 1 | 6 Feb | 6 Feb | ||||
| 85. | Goldfinch | 17 | 94 | 26 | 137 | 2 | 135 | 28 (19 Mar) | 78 | 14 | 8 Feb | 4 Apr | ||||
| 86. | Siskin | 50 | 1 | 0 | 51 | 7 | 44 | 29 ( 6 Feb) | 33 | 6 | 6 Feb | 15 Mar | ||||
| 87. | Reed Bunting | 0 | 32 | 6 | 38 | 3 | 35 | 8 (19 Mar) | 56 | 10 | 5 Mar | 4 Apr | ||||
| 88. | passerine sp. | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 3 Apr) | 6 | 1 | 3 Apr | 3 Apr | ||||
| Other species | ||||||||||||||||
| Species | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | European Peacock | 1 | 1 | 0 | 2 | 1 | 1 | 1 (21 Feb) | 11 | 2 | 21 Feb | 21 Mar | ||||
| 2. | Comma | 0 | 1 | 0 | 1 | 0 | 1 | 1 (21 Mar) | 6 | 1 | 21 Mar | 21 Mar | ||||
| Other species | ||||||||||||||||
| Species | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Bumblebee sp. | 0 | 4 | 0 | 4 | 0 | 4 | 4 (19 Mar) | 6 | 1 | 19 Mar | 19 Mar | ||||
| Species | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 5276 | 13330 | 1484 | 20090 | 1297 | 18793 | 100 | 18 | ||||||||
| Observation hours | 17:00 | 44:45 | 20:15 | 82:00 | ||||||||||||
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