Totals De Bloedberg (zeetrek), Monster 2017
| Year | |
| Period | |
| count-field | |
| Also present | |
| Species | Sep | Oct | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 0 | 407 | 407 | 407 | 0 | 200 ( 6 Oct) | 80 | 4 | 4 Oct | 23 Oct | ||||
| 2. | Shelduck | 0 | 381 | 381 | 381 | 0 | 360 ( 6 Oct) | 40 | 2 | 4 Oct | 6 Oct | ||||
| 3. | Gadwall | 0 | 2 | 2 | 2 | 0 | 2 (20 Oct) | 20 | 1 | 20 Oct | 20 Oct | ||||
| 4. | Wigeon | 0 | 8 | 8 | 8 | 0 | 4 ( 4 Oct) | 40 | 2 | 4 Oct | 23 Oct | ||||
| 5. | Pintail | 0 | 1 | 1 | 1 | 0 | 1 ( 4 Oct) | 20 | 1 | 4 Oct | 4 Oct | ||||
| 6. | Teal | 0 | 1 | 1 | 1 | 0 | 1 ( 4 Oct) | 20 | 1 | 4 Oct | 4 Oct | ||||
| 7. | Eider | 0 | 1 | 1 | 0 | 1 | 1 ( 6 Oct) | 20 | 1 | 6 Oct | 6 Oct | ||||
| 8. | Common Scoter | 0 | 32 | 32 | 26 | 6 | 20 ( 4 Oct) | 80 | 4 | 4 Oct | 23 Oct | ||||
| 9. | Red-breasted Merganser | 0 | 20 | 20 | 20 | 0 | 8 ( 4 Oct) | 60 | 3 | 4 Oct | 23 Oct | ||||
| 10. | Grey Plover | 8 | 1 | 9 | 9 | 0 | 8 (13 Sep) | 40 | 2 | 13 Sep | 4 Oct | ||||
| 11. | Curlew | 1 | 0 | 1 | 1 | 0 | 1 (13 Sep) | 20 | 1 | 13 Sep | 13 Sep | ||||
| 12. | Bar-tailed Godwit | 2 | 0 | 2 | 2 | 0 | 2 (13 Sep) | 20 | 1 | 13 Sep | 13 Sep | ||||
| 13. | Knot | 0 | 24 | 24 | 24 | 0 | 24 (20 Oct) | 20 | 1 | 20 Oct | 20 Oct | ||||
| 14. | Sanderling | 0 | 38 | 38 | 38 | 0 | 25 (23 Oct) | 40 | 2 | 20 Oct | 23 Oct | ||||
| 15. | Dunlin | 0 | 55 | 55 | 55 | 0 | 55 (20 Oct) | 20 | 1 | 20 Oct | 20 Oct | ||||
| 16. | Common/Arctic Tern | 29 | 15 | 44 | 38 | 6 | 29 (13 Sep) | 60 | 3 | 13 Sep | 23 Oct | ||||
| 17. | Sandwich Tern | 8 | 8 | 16 | 15 | 1 | 8 (13 Sep) | 60 | 3 | 13 Sep | 23 Oct | ||||
| 18. | Kittiwake | 0 | 4 | 4 | 4 | 0 | 2 ( 4 Oct) | 40 | 2 | 4 Oct | 6 Oct | ||||
| 19. | Black-headed Gull | 1 | 0 | 1 | 1 | 0 | 1 (13 Sep) | 20 | 1 | 13 Sep | 13 Sep | ||||
| 20. | Herring Gull | 0 | 2 | 2 | 2 | 0 | 2 ( 6 Oct) | 20 | 1 | 6 Oct | 6 Oct | ||||
| 21. | Great Black-backed Gull | 0 | 16 | 16 | 6 | 10 | 16 ( 6 Oct) | 20 | 1 | 6 Oct | 6 Oct | ||||
| 22. | Lesser Black-backed Gull | 0 | 5 | 5 | 5 | 0 | 5 ( 6 Oct) | 20 | 1 | 6 Oct | 6 Oct | ||||
| 23. | skua sp. | 4 | 7 | 11 | 11 | 0 | 7 ( 4 Oct) | 40 | 2 | 13 Sep | 4 Oct | ||||
| 24. | Arctic Skua | 3 | 1 | 4 | 4 | 0 | 3 (13 Sep) | 40 | 2 | 13 Sep | 4 Oct | ||||
| 25. | Pomarine Skua | 0 | 2 | 2 | 2 | 0 | 2 (23 Oct) | 20 | 1 | 23 Oct | 23 Oct | ||||
| 26. | Great Skua | 3 | 4 | 7 | 6 | 1 | 3 (13 Sep) | 60 | 3 | 13 Sep | 23 Oct | ||||
| 27. | Razorbill/Guillemot | 1 | 5 | 6 | 5 | 1 | 4 (23 Oct) | 60 | 3 | 13 Sep | 23 Oct | ||||
| 28. | diver sp. | 0 | 3 | 3 | 3 | 0 | 2 ( 4 Oct) | 40 | 2 | 4 Oct | 23 Oct | ||||
| 29. | Leach's Petrel | 0 | 1 | 1 | 1 | 0 | 1 ( 4 Oct) | 20 | 1 | 4 Oct | 4 Oct | ||||
| 30. | Sooty Shearwater | 2 | 1 | 3 | 3 | 0 | 2 (13 Sep) | 40 | 2 | 13 Sep | 4 Oct | ||||
| Species | Sep | Oct | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | shearwater sp. | 3 | 0 | 3 | 2 | 1 | 3 (13 Sep) | 20 | 1 | 13 Sep | 13 Sep | ||||
| 32. | Gannet | 2 | 43 | 45 | 44 | 1 | 31 ( 4 Oct) | 80 | 4 | 13 Sep | 23 Oct | ||||
| 33. | Spoonbill | 0 | 4 | 4 | 4 | 0 | 4 ( 6 Oct) | 20 | 1 | 6 Oct | 6 Oct | ||||
| 34. | Meadow Pipit | 0 | 20 | 20 | 20 | 0 | 20 ( 6 Oct) | 20 | 1 | 6 Oct | 6 Oct | ||||
| Species | Sep | Oct | Totals | S | N | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 67 | 1112 | 1179 | 1151 | 28 | 100 | 5 | ||||||||
| Observation hours | 4:00 | 11:51 | 15:51 | ||||||||||||
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