Also present
Totals Dordtse Biesbosch 2025
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Canada Goose | 0 | 13 | 20 | 0 | 33 | 0 | 33 | 18 ( 3 Mar) | 14 | 4 | 8 Feb | 24 Mar | ||||
| 2. | Barnacle Goose | 200 | 4594 | 1992 | 31 | 6817 | 228 | 6589 | 1408 (18 Feb) | 76 | 22 | 27 Jan | 1 Apr | ||||
| 3. | Greylag Goose | 11 | 302 | 284 | 18 | 615 | 0 | 615 | 183 (20 Mar) | 69 | 20 | 27 Jan | 5 Apr | ||||
| 4. | goose sp. | 0 | 1605 | 38 | 0 | 1643 | 0 | 1643 | 1500 (26 Feb) | 21 | 6 | 18 Feb | 8 Mar | ||||
| 5. | Tundra Bean Goose | 206 | 680 | 6 | 0 | 892 | 0 | 892 | 222 (21 Feb) | 34 | 10 | 27 Jan | 1 Mar | ||||
| 6. | Eurasian White-fronted Goose | 456 | 3434 | 1712 | 0 | 5602 | 57 | 5545 | 1100 ( 9 Feb) | 69 | 20 | 27 Jan | 21 Mar | ||||
| 7. | Mute Swan | 0 | 0 | 2 | 3 | 5 | 0 | 5 | 2 (20 Mar) | 10 | 3 | 20 Mar | 4 Apr | ||||
| 8. | Whooper Swan | 13 | 0 | 0 | 0 | 13 | 0 | 13 | 13 (28 Jan) | 3 | 1 | 28 Jan | 28 Jan | ||||
| 9. | Egyptian Goose | 0 | 0 | 20 | 20 | 40 | 26 | 14 | 17 ( 3 Apr) | 14 | 4 | 6 Mar | 5 Apr | ||||
| 10. | Shelduck | 3 | 16 | 21 | 12 | 52 | 1 | 51 | 8 ( 8 Feb) | 45 | 13 | 28 Jan | 5 Apr | ||||
| 11. | Shoveler | 2 | 5 | 3 | 19 | 29 | 0 | 29 | 8 ( 1 Apr) | 21 | 6 | 28 Jan | 5 Apr | ||||
| 12. | Gadwall | 9 | 0 | 0 | 0 | 9 | 9 | 0 | 9 (28 Jan) | 3 | 1 | 28 Jan | 28 Jan | ||||
| 13. | Wigeon | 0 | 6 | 40 | 0 | 46 | 0 | 46 | 35 (20 Mar) | 14 | 4 | 18 Feb | 24 Mar | ||||
| 14. | Mallard | 9 | 6 | 10 | 4 | 29 | 7 | 22 | 7 (28 Jan) | 34 | 10 | 27 Jan | 4 Apr | ||||
| 15. | Pintail | 0 | 27 | 39 | 4 | 70 | 0 | 70 | 13 (18 Mar) | 38 | 11 | 12 Feb | 1 Apr | ||||
| 16. | Tufted Duck | 0 | 2 | 5 | 0 | 7 | 0 | 7 | 5 ( 6 Mar) | 7 | 2 | 4 Feb | 6 Mar | ||||
| 17. | Goldeneye | 1 | 63 | 22 | 0 | 86 | 0 | 86 | 19 (21 Feb) | 41 | 12 | 31 Jan | 15 Mar | ||||
| 18. | Goosander | 0 | 14 | 42 | 10 | 66 | 2 | 64 | 32 (21 Mar) | 41 | 12 | 14 Feb | 5 Apr | ||||
| 19. | Stock Dove | 1 | 1 | 24 | 48 | 74 | 1 | 73 | 42 ( 3 Apr) | 31 | 9 | 27 Jan | 5 Apr | ||||
| 20. | Woodpigeon | 59 | 139 | 695 | 127 | 1020 | 350 | 670 | 205 (18 Mar) | 83 | 24 | 27 Jan | 5 Apr | ||||
| 21. | Great Crested Grebe | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 ( 4 Feb) | 3 | 1 | 4 Feb | 4 Feb | ||||
| 22. | Oystercatcher | 0 | 16 | 16 | 17 | 49 | 0 | 49 | 13 ( 5 Apr) | 41 | 12 | 14 Feb | 5 Apr | ||||
| 23. | Avocet | 0 | 0 | 0 | 7 | 7 | 0 | 7 | 5 ( 4 Apr) | 7 | 2 | 4 Apr | 5 Apr | ||||
| 24. | Grey Plover | 0 | 0 | 10 | 0 | 10 | 0 | 10 | 10 (18 Mar) | 3 | 1 | 18 Mar | 18 Mar | ||||
| 25. | Golden Plover | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (21 Mar) | 3 | 1 | 21 Mar | 21 Mar | ||||
| 26. | Ringed Plover | 0 | 0 | 26 | 12 | 38 | 0 | 38 | 21 (18 Mar) | 21 | 6 | 18 Mar | 5 Apr | ||||
| 27. | Lapwing | 0 | 1644 | 484 | 25 | 2153 | 0 | 2153 | 691 (14 Feb) | 69 | 20 | 8 Feb | 5 Apr | ||||
| 28. | Curlew | 0 | 8 | 12 | 164 | 184 | 0 | 184 | 164 ( 5 Apr) | 34 | 10 | 9 Feb | 5 Apr | ||||
| 29. | Black-tailed Godwit | 0 | 76 | 594 | 171 | 841 | 0 | 841 | 245 (21 Mar) | 59 | 17 | 12 Feb | 5 Apr | ||||
| 30. | Snipe | 0 | 22 | 31 | 16 | 69 | 11 | 58 | 27 (20 Mar) | 24 | 7 | 14 Feb | 5 Apr | ||||
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Green Sandpiper | 0 | 0 | 3 | 110 | 113 | 0 | 113 | 61 ( 4 Apr) | 17 | 5 | 21 Mar | 5 Apr | ||||
| 32. | Redshank | 0 | 0 | 6 | 24 | 30 | 0 | 30 | 11 ( 5 Apr) | 28 | 8 | 8 Mar | 5 Apr | ||||
| 33. | Greenshank | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 4 Apr) | 3 | 1 | 4 Apr | 4 Apr | ||||
| 34. | Ruff | 0 | 0 | 25 | 45 | 70 | 0 | 70 | 29 ( 4 Apr) | 17 | 5 | 18 Mar | 5 Apr | ||||
| 35. | Black-headed Gull | 15 | 414 | 430 | 249 | 1108 | 19 | 1089 | 159 (20 Feb) | 83 | 24 | 28 Jan | 5 Apr | ||||
| 36. | Mediterranean Gull | 0 | 0 | 6 | 4 | 10 | 0 | 10 | 2 (25 Mar) | 21 | 6 | 20 Mar | 4 Apr | ||||
| 37. | Common Gull | 1 | 3 | 9 | 10 | 23 | 3 | 20 | 6 ( 5 Apr) | 34 | 10 | 31 Jan | 5 Apr | ||||
| 38. | Caspian Gull | 2 | 1 | 4 | 2 | 9 | 2 | 7 | 1 (27 Jan) | 31 | 9 | 27 Jan | 4 Apr | ||||
| 39. | Herring Gull | 1 | 36 | 43 | 25 | 105 | 0 | 105 | 20 (14 Feb) | 66 | 19 | 31 Jan | 5 Apr | ||||
| 40. | Yellow-legged Gull | 1 | 4 | 19 | 10 | 34 | 1 | 33 | 9 (29 Mar) | 48 | 14 | 28 Jan | 5 Apr | ||||
| 41. | Great Black-backed Gull | 0 | 8 | 27 | 10 | 45 | 0 | 45 | 7 ( 8 Mar) | 55 | 16 | 18 Feb | 5 Apr | ||||
| 42. | Lesser Black-backed Gull | 0 | 31 | 142 | 114 | 287 | 0 | 287 | 54 ( 5 Apr) | 69 | 20 | 4 Feb | 5 Apr | ||||
| 43. | White Stork | 0 | 0 | 0 | 5 | 5 | 0 | 5 | 2 ( 3 Apr) | 10 | 3 | 1 Apr | 4 Apr | ||||
| 44. | Cormorant | 0 | 5 | 171 | 163 | 339 | 4 | 335 | 68 (29 Mar) | 59 | 17 | 18 Feb | 5 Apr | ||||
| 45. | Spoonbill | 0 | 0 | 30 | 94 | 124 | 2 | 122 | 44 ( 5 Apr) | 34 | 10 | 6 Mar | 5 Apr | ||||
| 46. | Little Egret | 0 | 1 | 2 | 5 | 8 | 0 | 8 | 2 ( 4 Apr) | 21 | 6 | 21 Feb | 5 Apr | ||||
| 47. | Cattle Egret | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 5 Apr) | 3 | 1 | 5 Apr | 5 Apr | ||||
| 48. | Great White Egret | 0 | 2 | 11 | 54 | 67 | 0 | 67 | 36 ( 4 Apr) | 34 | 10 | 15 Feb | 5 Apr | ||||
| 49. | Grey Heron | 0 | 4 | 6 | 25 | 35 | 0 | 35 | 15 ( 4 Apr) | 38 | 11 | 15 Feb | 5 Apr | ||||
| 50. | Osprey | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 1 ( 4 Apr) | 7 | 2 | 4 Apr | 5 Apr | ||||
| 51. | Sparrowhawk | 0 | 0 | 5 | 10 | 15 | 0 | 15 | 5 ( 4 Apr) | 28 | 8 | 1 Mar | 5 Apr | ||||
| 52. | Goshawk | 0 | 0 | 0 | 3 | 3 | 0 | 3 | 2 ( 5 Apr) | 7 | 2 | 4 Apr | 5 Apr | ||||
| 53. | Marsh Harrier | 0 | 0 | 7 | 37 | 44 | 0 | 44 | 21 ( 5 Apr) | 28 | 8 | 20 Mar | 5 Apr | ||||
| 54. | Hen Harrier | 0 | 2 | 1 | 8 | 11 | 0 | 11 | 6 ( 5 Apr) | 14 | 4 | 21 Feb | 5 Apr | ||||
| 55. | Red Kite | 0 | 0 | 1 | 2 | 3 | 0 | 3 | 2 ( 3 Apr) | 7 | 2 | 20 Mar | 3 Apr | ||||
| 56. | White-tailed Eagle | 0 | 2 | 1 | 1 | 4 | 0 | 4 | 2 (14 Feb) | 10 | 3 | 14 Feb | 4 Apr | ||||
| 57. | Common Buzzard | 0 | 0 | 1 | 14 | 15 | 0 | 15 | 10 ( 3 Apr) | 14 | 4 | 20 Mar | 5 Apr | ||||
| 58. | Great Spotted Woodpecker | 0 | 0 | 3 | 0 | 3 | 0 | 3 | 2 ( 6 Mar) | 7 | 2 | 6 Mar | 18 Mar | ||||
| 59. | Kestrel | 0 | 0 | 4 | 20 | 24 | 0 | 24 | 8 ( 4 Apr) | 21 | 6 | 18 Mar | 5 Apr | ||||
| 60. | Merlin | 0 | 0 | 0 | 4 | 4 | 0 | 4 | 4 ( 4 Apr) | 3 | 1 | 4 Apr | 4 Apr | ||||
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | Peregrine | 0 | 0 | 1 | 2 | 3 | 0 | 3 | 2 ( 4 Apr) | 7 | 2 | 29 Mar | 4 Apr | ||||
| 62. | Rose-ringed Parakeet | 0 | 3 | 0 | 4 | 7 | 0 | 7 | 3 (21 Feb) | 10 | 3 | 21 Feb | 3 Apr | ||||
| 63. | Jay | 0 | 0 | 0 | 3 | 3 | 0 | 3 | 2 ( 4 Apr) | 7 | 2 | 3 Apr | 4 Apr | ||||
| 64. | Magpie | 0 | 0 | 6 | 1 | 7 | 0 | 7 | 2 ( 1 Mar) | 14 | 4 | 1 Mar | 5 Apr | ||||
| 65. | Jackdaw | 1 | 9 | 74 | 40 | 124 | 0 | 124 | 26 ( 4 Apr) | 48 | 14 | 31 Jan | 5 Apr | ||||
| 66. | Rook | 0 | 0 | 14 | 3 | 17 | 0 | 17 | 13 ( 8 Mar) | 14 | 4 | 8 Mar | 3 Apr | ||||
| 67. | Carrion Crow | 2 | 5 | 100 | 62 | 169 | 9 | 160 | 32 ( 5 Apr) | 55 | 16 | 28 Jan | 5 Apr | ||||
| 68. | Willow Tit | 0 | 0 | 3 | 1 | 4 | 0 | 4 | 1 ( 8 Mar) | 14 | 4 | 8 Mar | 5 Apr | ||||
| 69. | Blue Tit | 0 | 6 | 18 | 5 | 29 | 0 | 29 | 4 (15 Mar) | 41 | 12 | 14 Feb | 3 Apr | ||||
| 70. | Great Tit | 0 | 21 | 20 | 6 | 47 | 0 | 47 | 11 (20 Mar) | 45 | 13 | 9 Feb | 5 Apr | ||||
| 71. | Skylark | 0 | 6 | 5 | 0 | 11 | 0 | 11 | 5 (18 Feb) | 10 | 3 | 18 Feb | 6 Mar | ||||
| 72. | Sand Martin | 0 | 0 | 5 | 119 | 124 | 0 | 124 | 54 ( 5 Apr) | 24 | 7 | 22 Mar | 5 Apr | ||||
| 73. | Swallow | 0 | 0 | 21 | 91 | 112 | 0 | 112 | 48 ( 5 Apr) | 21 | 6 | 15 Mar | 5 Apr | ||||
| 74. | House Martin | 0 | 0 | 0 | 10 | 10 | 0 | 10 | 6 ( 4 Apr) | 7 | 2 | 4 Apr | 5 Apr | ||||
| 75. | Long-tailed Tit | 0 | 15 | 1 | 0 | 16 | 0 | 16 | 15 (15 Feb) | 7 | 2 | 15 Feb | 29 Mar | ||||
| 76. | Chiffchaff | 0 | 0 | 12 | 0 | 12 | 0 | 12 | 6 (20 Mar) | 7 | 2 | 20 Mar | 25 Mar | ||||
| 77. | Starling | 0 | 165 | 595 | 14 | 774 | 0 | 774 | 379 (21 Mar) | 55 | 16 | 8 Feb | 5 Apr | ||||
| 78. | Song Thrush | 0 | 0 | 2 | 2 | 4 | 0 | 4 | 2 ( 5 Apr) | 10 | 3 | 21 Mar | 5 Apr | ||||
| 79. | Mistle Thrush | 0 | 1 | 15 | 8 | 24 | 0 | 24 | 13 (29 Mar) | 24 | 7 | 21 Feb | 5 Apr | ||||
| 80. | Redwing | 0 | 0 | 2175 | 0 | 2175 | 0 | 2175 | 2000 (22 Mar) | 7 | 2 | 22 Mar | 25 Mar | ||||
| 81. | Blackbird | 2 | 1 | 3 | 0 | 6 | 0 | 6 | 2 (28 Jan) | 17 | 5 | 28 Jan | 20 Mar | ||||
| 82. | Fieldfare | 0 | 30 | 104 | 0 | 134 | 0 | 134 | 100 (22 Mar) | 10 | 3 | 12 Feb | 24 Mar | ||||
| 83. | Ring Ouzel | 0 | 0 | 1 | 1 | 2 | 0 | 2 | 1 (22 Mar) | 7 | 2 | 22 Mar | 3 Apr | ||||
| 84. | Stonechat | 0 | 0 | 3 | 0 | 3 | 0 | 3 | 2 (20 Mar) | 7 | 2 | 20 Mar | 22 Mar | ||||
| 85. | Dunnock | 0 | 2 | 1 | 3 | 6 | 0 | 6 | 2 (21 Feb) | 14 | 4 | 21 Feb | 4 Apr | ||||
| 86. | Blue-headed Wagtail | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 2 ( 3 Apr) | 3 | 1 | 3 Apr | 3 Apr | ||||
| 87. | Grey Wagtail | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (24 Mar) | 3 | 1 | 24 Mar | 24 Mar | ||||
| 88. | White Wagtail | 0 | 9 | 24 | 15 | 48 | 0 | 48 | 12 (21 Mar) | 31 | 9 | 12 Feb | 5 Apr | ||||
| 89. | Pied Wagtail | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (20 Mar) | 3 | 1 | 20 Mar | 20 Mar | ||||
| 90. | Meadow Pipit | 0 | 18 | 126 | 385 | 529 | 0 | 529 | 144 ( 4 Apr) | 45 | 13 | 12 Feb | 5 Apr | ||||
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 91. | Water Pipit | 0 | 2 | 0 | 0 | 2 | 2 | 0 | 1 (20 Feb) | 7 | 2 | 20 Feb | 21 Feb | ||||
| 92. | Chaffinch | 5 | 12 | 169 | 92 | 278 | 0 | 278 | 85 (21 Mar) | 76 | 22 | 28 Jan | 5 Apr | ||||
| 93. | Hawfinch | 0 | 0 | 2 | 0 | 2 | 0 | 2 | 1 (21 Mar) | 7 | 2 | 21 Mar | 24 Mar | ||||
| 94. | Greenfinch | 0 | 10 | 11 | 0 | 21 | 0 | 21 | 10 (21 Feb) | 21 | 6 | 21 Feb | 20 Mar | ||||
| 95. | Linnet | 0 | 0 | 4 | 31 | 35 | 0 | 35 | 12 ( 5 Apr) | 17 | 5 | 21 Mar | 5 Apr | ||||
| 96. | Goldfinch | 0 | 0 | 5 | 4 | 9 | 0 | 9 | 5 ( 1 Mar) | 10 | 3 | 1 Mar | 5 Apr | ||||
| 97. | Siskin | 0 | 0 | 21 | 0 | 21 | 0 | 21 | 21 (21 Mar) | 3 | 1 | 21 Mar | 21 Mar | ||||
| 98. | Reed Bunting | 4 | 1 | 46 | 15 | 66 | 0 | 66 | 26 (21 Mar) | 45 | 13 | 28 Jan | 5 Apr | ||||
| Other species | |||||||||||||||||
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | European Peacock | 0 | 0 | 8 | 1 | 9 | 0 | 9 | 4 (29 Mar) | 14 | 4 | 20 Mar | 5 Apr | ||||
| 2. | Small White | 0 | 0 | 0 | 8 | 8 | 0 | 8 | 7 ( 5 Apr) | 7 | 2 | 3 Apr | 5 Apr | ||||
| Species | Jan | Feb | Mar | Apr | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 1004 | 13503 | 10703 | 2688 | 27898 | 734 | 27164 | 100 | 29 | ||||||||
| Observation hours | 5:00 | 28:00 | 39:15 | 20:00 | 92:15 | ||||||||||||
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