Also present
Totals Terschelling, Paal 18 1975
| Species | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Wigeon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 30 | 30 | 0 | 30 ( 7 Sep) | 8 | 1 | 7 Sep | 7 Sep | ||||
| 2. | Mallard | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 2 ( 7 May) | 8 | 1 | 7 May | 7 May | ||||
| 3. | Teal | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 0 | 2 ( 7 Sep) | 8 | 1 | 7 Sep | 7 Sep | ||||
| 4. | Tufted Duck | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 2 ( 6 May) | 8 | 1 | 6 May | 6 May | ||||
| 5. | Aythya sp. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 12 | 12 | 0 | 12 ( 7 Sep) | 8 | 1 | 7 Sep | 7 Sep | ||||
| 6. | Eider | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 5 | 0 | 5 | 3 ( 6 May) | 25 | 3 | 6 May | 8 May | ||||
| 7. | Velvet Scoter | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 2 ( 4 May) | 8 | 1 | 4 May | 4 May | ||||
| 8. | Common Scoter | 0 | 0 | 0 | 0 | 245 | 0 | 1 | 0 | 680 | 926 | 812 | 114 | 340 ( 7 Sep) | 83 | 10 | 4 May | 7 Sep | ||||
| 9. | Red-breasted Merganser | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 4 | 4 | 0 | 4 ( 5 May) | 8 | 1 | 5 May | 5 May | ||||
| 10. | Oystercatcher | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 6 | 0 | 6 | 4 ( 6 May) | 25 | 3 | 6 May | 9 May | ||||
| 11. | Grey Plover | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 0 | 2 ( 5 Sep) | 8 | 1 | 5 Sep | 5 Sep | ||||
| 12. | Bar-tailed Godwit | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 53 | 54 | 33 | 21 | 30 ( 5 Sep) | 25 | 3 | 5 May | 7 Sep | ||||
| 13. | Turnstone | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 2 | 1 | 3 ( 5 Sep) | 8 | 1 | 5 Sep | 5 Sep | ||||
| 14. | Knot | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 ( 5 Sep) | 8 | 1 | 5 Sep | 5 Sep | ||||
| 15. | Sanderling | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 14 | 0 | 14 | 14 ( 7 Sep) | 8 | 1 | 7 Sep | 7 Sep | ||||
| 16. | Dunlin | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 3 | 5 | 0 | 5 | 3 ( 7 Sep) | 17 | 2 | 7 May | 7 Sep | ||||
| 17. | Little Tern | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 7 | 0 | 7 ( 5 Sep) | 8 | 1 | 5 Sep | 5 Sep | ||||
| 18. | Arctic Tern | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 8 | 13 | 10 | 3 | 8 ( 5 Sep) | 17 | 2 | 9 May | 5 Sep | ||||
| 19. | Common/Arctic Tern | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 285 | 295 | 133 | 162 | 148 ( 7 Sep) | 67 | 8 | 4 May | 7 Sep | ||||
| 20. | Common Tern | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 24 | 26 | 24 | 2 | 15 ( 5 Sep) | 25 | 3 | 9 May | 5 Sep | ||||
| 21. | Sandwich Tern | 0 | 0 | 0 | 0 | 67 | 0 | 1 | 0 | 89 | 157 | 108 | 49 | 39 ( 5 Sep) | 92 | 11 | 4 May | 7 Sep | ||||
| 22. | Black-headed Gull | 0 | 0 | 0 | 0 | 116 | 0 | 26 | 0 | 0 | 142 | 19 | 123 | 74 ( 4 May) | 58 | 7 | 4 May | 6 Jul | ||||
| 23. | Common Gull | 0 | 0 | 0 | 0 | 34 | 0 | 3 | 0 | 0 | 37 | 5 | 32 | 17 ( 4 May) | 58 | 7 | 4 May | 6 Jul | ||||
| 24. | Herring Gull | 50 | 0 | 0 | 0 | 49 | 0 | 68 | 0 | 0 | 167 | 85 | 82 | 68 ( 6 Jul) | 67 | 8 | 18 Jan | 6 Jul | ||||
| 25. | Great Black-backed Gull | 10 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 25 | 13 | 12 | 10 (18 Jan) | 33 | 4 | 18 Jan | 6 May | ||||
| 26. | Lesser Black-backed Gull | 0 | 0 | 0 | 0 | 81 | 0 | 6 | 0 | 29 | 116 | 33 | 83 | 29 ( 4 May) | 67 | 8 | 4 May | 7 Sep | ||||
| 27. | Arctic Skua | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 3 | 2 | 2 ( 2 Sep) | 25 | 3 | 2 Sep | 7 Sep | ||||
| 28. | diver sp. | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 2 (18 Jan) | 8 | 1 | 18 Jan | 18 Jan | ||||
| 29. | Gannet | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 17 | 18 | 11 | 7 | 9 ( 5 Sep) | 33 | 4 | 4 May | 7 Sep | ||||
| 30. | Cormorant | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 ( 6 May) | 8 | 1 | 6 May | 6 May | ||||
| Other species | ||||||||||||||||||||||
| Species | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Common / Grey seal | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 ( 5 Sep) | 8 | 1 | 5 Sep | 5 Sep | ||||
| Species | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 62 | 0 | 0 | 0 | 650 | 0 | 105 | 0 | 1265 | 2082 | 1355 | 727 | 100 | 12 | ||||||||
| Observation hours | 0:45 | 0:00 | 0:00 | 0:00 | 8:45 | 0:00 | 2:00 | 0:00 | 7:00 | 18:30 | ||||||||||||
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