Totals Rottumeroog 2021
| Year | |
| Period | |
| count-field | |
| Also present | |
| Species | Jul | Aug | Sep | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 0 | 0 | 1596 | 1596 | 1592 | 4 | 1540 (18 Sep) | 18 | 3 | 18 Sep | 20 Sep | ||||
| 2. | Barnacle Goose | 0 | 5 | 1 | 6 | 5 | 1 | 5 (5 Aug) | 12 | 2 | 5 Aug | 20 Sep | ||||
| 3. | Greylag Goose | 17 | 90 | 115 | 222 | 118 | 104 | 101 (18 Sep) | 47 | 8 | 28 Jul | 19 Sep | ||||
| 4. | Shelduck | 6 | 9 | 18 | 33 | 22 | 11 | 12 (9 Sep) | 24 | 4 | 28 Jul | 9 Sep | ||||
| 5. | Shoveler | 0 | 0 | 2 | 2 | 2 | 0 | 2 (12 Sep) | 6 | 1 | 12 Sep | 12 Sep | ||||
| 6. | Wigeon | 0 | 3 | 144 | 147 | 128 | 19 | 93 (18 Sep) | 35 | 6 | 17 Aug | 19 Sep | ||||
| 7. | Pintail | 0 | 0 | 3 | 3 | 3 | 0 | 3 (18 Sep) | 6 | 1 | 18 Sep | 18 Sep | ||||
| 8. | Teal | 0 | 3 | 39 | 42 | 42 | 0 | 30 (18 Sep) | 35 | 6 | 17 Aug | 20 Sep | ||||
| 9. | Eider | 0 | 255 | 405 | 660 | 629 | 31 | 178 (4 Aug) | 65 | 11 | 4 Aug | 20 Sep | ||||
| 10. | Common Scoter | 0 | 35 | 506 | 541 | 521 | 20 | 309 (16 Sep) | 47 | 8 | 5 Aug | 19 Sep | ||||
| 11. | Long-tailed Duck | 0 | 0 | 1 | 1 | 1 | 0 | 1 (16 Sep) | 6 | 1 | 16 Sep | 16 Sep | ||||
| 12. | Red-breasted Merganser | 0 | 0 | 1 | 1 | 1 | 0 | 1 (20 Sep) | 6 | 1 | 20 Sep | 20 Sep | ||||
| 13. | Swift | 3 | 12 | 0 | 15 | 15 | 0 | 11 (4 Aug) | 18 | 3 | 29 Jul | 5 Aug | ||||
| 14. | Great Crested Grebe | 0 | 0 | 2 | 2 | 2 | 0 | 1 (7 Sep) | 12 | 2 | 7 Sep | 18 Sep | ||||
| 15. | grebe sp. | 0 | 0 | 1 | 1 | 1 | 0 | 1 (19 Sep) | 6 | 1 | 19 Sep | 19 Sep | ||||
| 16. | Oystercatcher | 0 | 0 | 1 | 1 | 1 | 0 | 1 (12 Sep) | 6 | 1 | 12 Sep | 12 Sep | ||||
| 17. | Golden Plover | 0 | 8 | 0 | 8 | 8 | 0 | 5 (17 Aug) | 12 | 2 | 16 Aug | 17 Aug | ||||
| 18. | Dotterel | 0 | 0 | 1 | 1 | 1 | 0 | 1 (7 Sep) | 6 | 1 | 7 Sep | 7 Sep | ||||
| 19. | Whimbrel | 0 | 3 | 0 | 3 | 3 | 0 | 2 (16 Aug) | 12 | 2 | 16 Aug | 17 Aug | ||||
| 20. | Curlew | 0 | 60 | 1 | 61 | 60 | 1 | 60 (5 Aug) | 12 | 2 | 5 Aug | 9 Sep | ||||
| 21. | Bar-tailed Godwit | 22 | 0 | 0 | 22 | 22 | 0 | 22 (29 Jul) | 6 | 1 | 29 Jul | 29 Jul | ||||
| 22. | Snipe | 0 | 0 | 3 | 3 | 3 | 0 | 1 (7 Sep) | 18 | 3 | 7 Sep | 19 Sep | ||||
| 23. | Green Sandpiper | 0 | 2 | 0 | 2 | 2 | 0 | 2 (4 Aug) | 6 | 1 | 4 Aug | 4 Aug | ||||
| 24. | Redshank | 0 | 3 | 0 | 3 | 3 | 0 | 3 (5 Aug) | 6 | 1 | 5 Aug | 5 Aug | ||||
| 25. | Knot | 5 | 0 | 0 | 5 | 5 | 0 | 5 (29 Jul) | 6 | 1 | 29 Jul | 29 Jul | ||||
| 26. | Little Tern | 3 | 0 | 7 | 10 | 10 | 0 | 7 (16 Sep) | 12 | 2 | 29 Jul | 16 Sep | ||||
| 27. | Black Tern | 0 | 2764 | 1 | 2765 | 2765 | 0 | 2053 (16 Aug) | 29 | 5 | 16 Aug | 13 Sep | ||||
| 28. | White-winged Black Tern | 0 | 1 | 0 | 1 | 1 | 0 | 1 (19 Aug) | 6 | 1 | 19 Aug | 19 Aug | ||||
| 29. | Common/Arctic Tern | 0 | 78 | 0 | 78 | 78 | 0 | 58 (5 Aug) | 12 | 2 | 4 Aug | 5 Aug | ||||
| 30. | Common Tern | 228 | 0 | 25 | 253 | 252 | 1 | 228 (29 Jul) | 53 | 9 | 29 Jul | 20 Sep | ||||
| Species | Jul | Aug | Sep | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Sandwich Tern | 43 | 131 | 143 | 317 | 294 | 23 | 90 (4 Aug) | 71 | 12 | 29 Jul | 20 Sep | ||||
| 32. | Kittiwake | 0 | 2 | 0 | 2 | 2 | 0 | 1 (16 Aug) | 12 | 2 | 16 Aug | 19 Aug | ||||
| 33. | Black-headed Gull | 0 | 150 | 162 | 312 | 298 | 14 | 150 (4 Aug) | 53 | 9 | 4 Aug | 20 Sep | ||||
| 34. | Common Gull | 0 | 43 | 8 | 51 | 50 | 1 | 43 (4 Aug) | 24 | 4 | 4 Aug | 16 Sep | ||||
| 35. | Herring Gull | 0 | 0 | 12 | 12 | 10 | 2 | 6 (13 Sep) | 35 | 6 | 7 Sep | 20 Sep | ||||
| 36. | Great Black-backed Gull | 0 | 0 | 1 | 1 | 1 | 0 | 1 (12 Sep) | 6 | 1 | 12 Sep | 12 Sep | ||||
| 37. | Lesser Black-backed Gull | 0 | 0 | 69 | 69 | 66 | 3 | 30 (12 Sep) | 35 | 6 | 7 Sep | 18 Sep | ||||
| 38. | Long-tailed Skua | 0 | 5 | 0 | 5 | 5 | 0 | 4 (16 Aug) | 12 | 2 | 16 Aug | 18 Aug | ||||
| 39. | skua sp. | 0 | 4 | 0 | 4 | 4 | 0 | 2 (16 Aug) | 12 | 2 | 16 Aug | 19 Aug | ||||
| 40. | Arctic Skua | 0 | 2 | 2 | 4 | 3 | 1 | 2 (19 Aug) | 12 | 2 | 19 Aug | 13 Sep | ||||
| 41. | Great Skua | 0 | 1 | 0 | 1 | 1 | 0 | 1 (16 Aug) | 6 | 1 | 16 Aug | 16 Aug | ||||
| 42. | Razorbill/Guillemot | 0 | 1 | 0 | 1 | 1 | 0 | 1 (17 Aug) | 6 | 1 | 17 Aug | 17 Aug | ||||
| 43. | Guillemot | 0 | 0 | 2 | 2 | 2 | 0 | 1 (16 Sep) | 12 | 2 | 16 Sep | 20 Sep | ||||
| 44. | Red-throated Diver | 0 | 1 | 11 | 12 | 12 | 0 | 10 (18 Sep) | 18 | 3 | 16 Aug | 18 Sep | ||||
| 45. | Gannet | 0 | 8 | 10 | 18 | 16 | 2 | 6 (16 Aug) | 41 | 7 | 4 Aug | 16 Sep | ||||
| 46. | Cormorant | 6 | 57 | 35 | 98 | 85 | 13 | 38 (5 Aug) | 53 | 9 | 29 Jul | 20 Sep | ||||
| 47. | Great White Egret | 0 | 0 | 1 | 1 | 0 | 1 | 1 (18 Sep) | 6 | 1 | 18 Sep | 18 Sep | ||||
| 48. | Grey Heron | 0 | 0 | 12 | 12 | 11 | 1 | 10 (19 Sep) | 18 | 3 | 7 Sep | 19 Sep | ||||
| 49. | Sparrowhawk | 0 | 0 | 1 | 1 | 1 | 0 | 1 (18 Sep) | 6 | 1 | 18 Sep | 18 Sep | ||||
| 50. | Marsh Harrier | 0 | 3 | 2 | 5 | 5 | 0 | 2 (4 Aug) | 18 | 3 | 4 Aug | 18 Sep | ||||
| 51. | White-tailed Eagle | 0 | 0 | 1 | 1 | 1 | 0 | 1 (18 Sep) | 6 | 1 | 18 Sep | 18 Sep | ||||
| 52. | Common Buzzard | 0 | 0 | 3 | 3 | 3 | 0 | 3 (18 Sep) | 6 | 1 | 18 Sep | 18 Sep | ||||
| 53. | Kestrel | 0 | 2 | 1 | 3 | 3 | 0 | 1 (4 Aug) | 18 | 3 | 4 Aug | 18 Sep | ||||
| 54. | Peregrine | 0 | 1 | 0 | 1 | 1 | 0 | 1 (18 Aug) | 6 | 1 | 18 Aug | 18 Aug | ||||
| 55. | Jackdaw | 0 | 21 | 11 | 32 | 32 | 0 | 16 (5 Aug) | 18 | 3 | 4 Aug | 18 Sep | ||||
| 56. | Sand Martin | 4 | 0 | 0 | 4 | 4 | 0 | 4 (28 Jul) | 6 | 1 | 28 Jul | 28 Jul | ||||
| 57. | Swallow | 30 | 18 | 75 | 123 | 123 | 0 | 65 (18 Sep) | 47 | 8 | 28 Jul | 19 Sep | ||||
| 58. | House Martin | 0 | 2 | 0 | 2 | 2 | 0 | 2 (5 Aug) | 6 | 1 | 5 Aug | 5 Aug | ||||
| 59. | Starling | 70 | 9 | 66 | 145 | 145 | 0 | 70 (28 Jul) | 24 | 4 | 28 Jul | 18 Sep | ||||
| 60. | Blue-headed Wagtail | 0 | 0 | 7 | 7 | 7 | 0 | 3 (9 Sep) | 24 | 4 | 7 Sep | 19 Sep | ||||
| Species | Jul | Aug | Sep | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 61. | White Wagtail | 0 | 0 | 11 | 11 | 11 | 0 | 3 (7 Sep) | 29 | 5 | 7 Sep | 20 Sep | ||||
| 62. | Meadow Pipit | 0 | 0 | 11 | 11 | 11 | 0 | 8 (18 Sep) | 12 | 2 | 7 Sep | 18 Sep | ||||
| 63. | Tree Pipit | 0 | 0 | 2 | 2 | 2 | 0 | 1 (9 Sep) | 12 | 2 | 9 Sep | 19 Sep | ||||
| 64. | Chaffinch | 0 | 0 | 31 | 31 | 31 | 0 | 18 (18 Sep) | 12 | 2 | 18 Sep | 20 Sep | ||||
| 65. | Brambling | 0 | 0 | 1 | 1 | 1 | 0 | 1 (13 Sep) | 6 | 1 | 13 Sep | 13 Sep | ||||
| 66. | Linnet | 0 | 0 | 2 | 2 | 2 | 0 | 2 (18 Sep) | 6 | 1 | 18 Sep | 18 Sep | ||||
| 67. | Reed Bunting | 0 | 0 | 6 | 6 | 6 | 0 | 4 (18 Sep) | 18 | 3 | 14 Sep | 20 Sep | ||||
| Other species | ||||||||||||||||
| Species | Jul | Aug | Sep | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Harbour Porpoise | 0 | 0 | 2 | 2 | 2 | 0 | 2 (18 Sep) | 6 | 1 | 18 Sep | 18 Sep | ||||
| Species | Jul | Aug | Sep | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 437 | 3792 | 3574 | 7803 | 7550 | 253 | 100 | 17 | ||||||||
| Observation hours | 7:00 | 23:20 | 17:23 | 47:43 | ||||||||||||
This page is created on 2026/03/25 04:36:50 and will be cached for 2 minutes.
