Also present
Totals Bertusnol, Texel 2019
| Species | Apr | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 180 | 180 | 0 | 180 | 180 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 2. | goose sp. | 300 | 300 | 0 | 300 | 300 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 3. | Gadwall | 1 | 1 | 1 | 0 | 1 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 4. | Tufted Duck | 1 | 1 | 1 | 0 | 1 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 5. | Eider | 47 | 47 | 35 | 12 | 47 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 6. | Common Scoter | 93 | 93 | 0 | 93 | 93 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 7. | Long-tailed Duck | 1 | 1 | 0 | 1 | 1 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 8. | Swallow x House Martin (hybrid) | 1 | 1 | 0 | 1 | 1 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 9. | Feral Pigeon | 1 | 1 | 0 | 1 | 1 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 10. | Woodpigeon | 28 | 28 | 0 | 28 | 28 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 11. | Grey Plover | 2 | 2 | 0 | 2 | 2 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 12. | Lapwing | 3 | 3 | 2 | 1 | 3 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 13. | Whimbrel | 8 | 8 | 0 | 8 | 8 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 14. | Bar-tailed Godwit | 90 | 90 | 0 | 90 | 90 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 15. | Snipe | 4 | 4 | 0 | 4 | 4 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 16. | Green Sandpiper | 2 | 2 | 0 | 2 | 2 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 17. | Greenshank | 7 | 7 | 0 | 7 | 7 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 18. | Knot | 3 | 3 | 0 | 3 | 3 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 19. | Ruff | 2 | 2 | 0 | 2 | 2 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 20. | Dunlin | 9 | 9 | 0 | 9 | 9 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 21. | Little Tern | 2 | 2 | 0 | 2 | 2 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 22. | Great Black-backed Gull | 1 | 1 | 0 | 1 | 1 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 23. | Spoonbill | 8 | 8 | 0 | 8 | 8 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 24. | Grey Heron | 11 | 11 | 0 | 11 | 11 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 25. | Osprey | 9 | 9 | 0 | 9 | 9 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 26. | Sparrowhawk | 2 | 2 | 0 | 2 | 2 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 27. | Marsh Harrier | 2 | 2 | 0 | 2 | 2 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 28. | Hen Harrier | 3 | 3 | 0 | 3 | 3 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 29. | Pallid Harrier | 1 | 1 | 0 | 1 | 1 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 30. | Black Kite | 3 | 3 | 0 | 3 | 3 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| Species | Apr | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Short-eared Owl | 1 | 1 | 0 | 1 | 1 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 32. | Kestrel | 34 | 34 | 0 | 34 | 34 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 33. | Red-footed Falcon | 1 | 1 | 0 | 1 | 1 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 34. | Merlin | 1 | 1 | 0 | 1 | 1 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 35. | Peregrine | 1 | 1 | 0 | 1 | 1 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 36. | Jay | 1 | 1 | 1 | 0 | 1 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 37. | Skylark | 1 | 1 | 0 | 1 | 1 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 38. | Sand Martin | 39 | 39 | 8 | 31 | 39 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 39. | Swallow | 85 | 85 | 13 | 72 | 85 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 40. | House Martin | 6 | 6 | 0 | 6 | 6 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 41. | Red-rumped Swallow | 1 | 1 | 0 | 1 | 1 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 42. | Starling | 3 | 3 | 0 | 3 | 3 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 43. | Song Thrush | 63 | 63 | 0 | 63 | 63 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 44. | Mistle Thrush | 1 | 1 | 0 | 1 | 1 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 45. | Fieldfare | 5 | 5 | 0 | 5 | 5 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 46. | Ring Ouzel | 4 | 4 | 2 | 2 | 4 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 47. | Wheatear | 2 | 2 | 0 | 2 | 2 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 48. | Blue-headed Wagtail | 2 | 2 | 0 | 2 | 2 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 49. | Yellow Wagtail (flavissima) | 7 | 7 | 0 | 7 | 7 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 50. | Yellow wagtail sp. | 10 | 10 | 0 | 10 | 10 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 51. | alba wagtail sp. | 5 | 5 | 0 | 5 | 5 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 52. | Meadow Pipit | 405 | 405 | 0 | 405 | 405 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 53. | Tree Pipit | 13 | 13 | 1 | 12 | 13 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 54. | Chaffinch | 5 | 5 | 0 | 5 | 5 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 55. | Greenfinch | 1 | 1 | 0 | 1 | 1 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 56. | Linnet | 20 | 20 | 0 | 20 | 20 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 57. | Goldfinch | 2 | 2 | 0 | 2 | 2 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 58. | Siskin | 1 | 1 | 0 | 1 | 1 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 59. | Reed Bunting | 2 | 2 | 0 | 2 | 2 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| Other species | ||||||||||||||
| Species | Apr | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Red Admiral | 2 | 2 | 0 | 2 | 2 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| 2. | Painted Lady | 1 | 1 | 0 | 1 | 1 (23 Apr) | 100 | 1 | 23 Apr | 23 Apr | ||||
| Species | Apr | Totals | SW | NE | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 1550 | 1550 | 64 | 1486 | 100 | 1 | ||||||||
| Observation hours | 13:15 | 13:15 | ||||||||||||
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