Totals Dordtse Biesbosch 2026
| Year | |
| Period | |
| count-field | |
| Also present | |
| Species | Jan | Feb | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Barnacle Goose | 3719 | 1621 | 5340 | 4700 | 640 | 3500 (5 Jan) | 100 | 6 | 5 Jan | 27 Feb | ||||
| 2. | Greylag Goose | 754 | 253 | 1007 | 910 | 97 | 750 (5 Jan) | 83 | 5 | 5 Jan | 27 Feb | ||||
| 3. | goose sp. | 25 | 0 | 25 | 0 | 25 | 25 (22 Jan) | 17 | 1 | 22 Jan | 22 Jan | ||||
| 4. | Tundra Bean Goose | 10 | 0 | 10 | 0 | 10 | 7 (23 Jan) | 33 | 2 | 22 Jan | 23 Jan | ||||
| 5. | Eurasian White-fronted Goose | 2040 | 2936 | 4976 | 2150 | 2826 | 2650 (25 Feb) | 100 | 6 | 5 Jan | 27 Feb | ||||
| 6. | Mute Swan | 0 | 3 | 3 | 0 | 3 | 3 (26 Feb) | 17 | 1 | 26 Feb | 26 Feb | ||||
| 7. | Egyptian Goose | 0 | 4 | 4 | 0 | 4 | 4 (26 Feb) | 17 | 1 | 26 Feb | 26 Feb | ||||
| 8. | Shelduck | 0 | 2 | 2 | 0 | 2 | 2 (26 Feb) | 17 | 1 | 26 Feb | 26 Feb | ||||
| 9. | Shoveler | 0 | 9 | 9 | 0 | 9 | 9 (26 Feb) | 17 | 1 | 26 Feb | 26 Feb | ||||
| 10. | Wigeon | 0 | 1 | 1 | 0 | 1 | 1 (26 Feb) | 17 | 1 | 26 Feb | 26 Feb | ||||
| 11. | Goldeneye | 1 | 0 | 1 | 0 | 1 | 1 (23 Jan) | 17 | 1 | 23 Jan | 23 Jan | ||||
| 12. | Stock Dove | 2 | 18 | 20 | 0 | 20 | 12 (25 Feb) | 67 | 4 | 22 Jan | 27 Feb | ||||
| 13. | Woodpigeon | 54 | 409 | 463 | 316 | 147 | 144 (26 Feb) | 83 | 5 | 22 Jan | 27 Feb | ||||
| 14. | Oystercatcher | 0 | 3 | 3 | 0 | 3 | 3 (27 Feb) | 17 | 1 | 27 Feb | 27 Feb | ||||
| 15. | Lapwing | 49 | 373 | 422 | 35 | 387 | 350 (25 Feb) | 83 | 5 | 5 Jan | 26 Feb | ||||
| 16. | Curlew | 1 | 4 | 5 | 1 | 4 | 4 (25 Feb) | 33 | 2 | 5 Jan | 25 Feb | ||||
| 17. | Black-tailed Godwit | 0 | 13 | 13 | 0 | 13 | 8 (26 Feb) | 33 | 2 | 26 Feb | 27 Feb | ||||
| 18. | Snipe | 3 | 3 | 6 | 2 | 4 | 3 (27 Feb) | 50 | 3 | 5 Jan | 27 Feb | ||||
| 19. | Green Sandpiper | 1 | 0 | 1 | 0 | 1 | 1 (22 Jan) | 17 | 1 | 22 Jan | 22 Jan | ||||
| 20. | Redshank | 0 | 4 | 4 | 0 | 4 | 3 (26 Feb) | 33 | 2 | 25 Feb | 26 Feb | ||||
| 21. | Black-headed Gull | 43 | 281 | 324 | 35 | 289 | 164 (26 Feb) | 83 | 5 | 22 Jan | 27 Feb | ||||
| 22. | Common Gull | 3 | 8 | 11 | 2 | 9 | 8 (25 Feb) | 50 | 3 | 22 Jan | 25 Feb | ||||
| 23. | Herring Gull | 1 | 14 | 15 | 2 | 13 | 10 (25 Feb) | 67 | 4 | 23 Jan | 27 Feb | ||||
| 24. | Yellow-legged Gull | 0 | 1 | 1 | 0 | 1 | 1 (27 Feb) | 17 | 1 | 27 Feb | 27 Feb | ||||
| 25. | Great Black-backed Gull | 0 | 1 | 1 | 1 | 0 | 1 (27 Feb) | 17 | 1 | 27 Feb | 27 Feb | ||||
| 26. | Lesser Black-backed Gull | 0 | 28 | 28 | 3 | 25 | 14 (26 Feb) | 50 | 3 | 25 Feb | 27 Feb | ||||
| 27. | Cormorant | 26 | 47 | 73 | 61 | 12 | 35 (25 Feb) | 67 | 4 | 5 Jan | 27 Feb | ||||
| 28. | Spoonbill | 0 | 1 | 1 | 0 | 1 | 1 (25 Feb) | 17 | 1 | 25 Feb | 25 Feb | ||||
| 29. | Little Egret | 1 | 0 | 1 | 1 | 0 | 1 (5 Jan) | 17 | 1 | 5 Jan | 5 Jan | ||||
| 30. | Great White Egret | 1 | 5 | 6 | 1 | 5 | 5 (25 Feb) | 33 | 2 | 22 Jan | 25 Feb | ||||
| Species | Jan | Feb | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Great Spotted Woodpecker | 0 | 1 | 1 | 0 | 1 | 1 (26 Feb) | 17 | 1 | 26 Feb | 26 Feb | ||||
| 32. | Peregrine | 0 | 1 | 1 | 1 | 0 | 1 (26 Feb) | 17 | 1 | 26 Feb | 26 Feb | ||||
| 33. | Jackdaw | 0 | 32 | 32 | 8 | 24 | 16 (25 Feb) | 50 | 3 | 25 Feb | 27 Feb | ||||
| 34. | Carrion Crow | 13 | 12 | 25 | 0 | 25 | 12 (26 Feb) | 50 | 3 | 22 Jan | 26 Feb | ||||
| 35. | Blue Tit | 0 | 141 | 141 | 0 | 141 | 140 (25 Feb) | 33 | 2 | 25 Feb | 26 Feb | ||||
| 36. | Great Tit | 0 | 15 | 15 | 0 | 15 | 6 (25 Feb) | 50 | 3 | 25 Feb | 27 Feb | ||||
| 37. | Wood Lark | 2 | 0 | 2 | 2 | 0 | 2 (5 Jan) | 17 | 1 | 5 Jan | 5 Jan | ||||
| 38. | Skylark | 75 | 1 | 76 | 75 | 1 | 75 (5 Jan) | 33 | 2 | 5 Jan | 25 Feb | ||||
| 39. | Long-tailed Tit | 0 | 4 | 4 | 0 | 4 | 4 (25 Feb) | 17 | 1 | 25 Feb | 25 Feb | ||||
| 40. | Starling | 3 | 13 | 16 | 0 | 16 | 7 (27 Feb) | 50 | 3 | 23 Jan | 27 Feb | ||||
| 41. | Fieldfare | 8 | 0 | 8 | 8 | 0 | 8 (5 Jan) | 17 | 1 | 5 Jan | 5 Jan | ||||
| 42. | Stonechat | 0 | 1 | 1 | 0 | 1 | 1 (25 Feb) | 17 | 1 | 25 Feb | 25 Feb | ||||
| 43. | White Wagtail | 1 | 3 | 4 | 1 | 3 | 3 (26 Feb) | 33 | 2 | 5 Jan | 26 Feb | ||||
| 44. | Water Pipit | 3 | 2 | 5 | 3 | 2 | 3 (5 Jan) | 33 | 2 | 5 Jan | 25 Feb | ||||
| 45. | Chaffinch | 7 | 48 | 55 | 5 | 50 | 35 (26 Feb) | 83 | 5 | 5 Jan | 27 Feb | ||||
| 46. | Greenfinch | 0 | 4 | 4 | 0 | 4 | 2 (26 Feb) | 33 | 2 | 26 Feb | 27 Feb | ||||
| 47. | Goldfinch | 2 | 0 | 2 | 0 | 2 | 1 (22 Jan) | 33 | 2 | 22 Jan | 23 Jan | ||||
| 48. | Siskin | 1 | 0 | 1 | 1 | 0 | 1 (5 Jan) | 17 | 1 | 5 Jan | 5 Jan | ||||
| 49. | Reed Bunting | 0 | 3 | 3 | 0 | 3 | 3 (26 Feb) | 17 | 1 | 26 Feb | 26 Feb | ||||
| Species | Jan | Feb | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 6849 | 6323 | 13172 | 8324 | 4848 | 100 | 6 | ||||||||
| Observation hours | 4:00 | 9:30 | 13:30 | ||||||||||||
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