Also present
Totals Terschelling, Paal 18 1977
| Species | Mar | Apr | May | Jun | Jul | Aug | Sep | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 92 | 0 | 0 | 0 | 0 | 19 | 0 | 111 | 20 | 91 | 76 ( 8 Mar) | 25 | 3 | 8 Mar | 6 Aug | ||||
| 2. | Shelduck | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 5 | 0 | 5 | 3 ( 4 Aug) | 17 | 2 | 25 Mar | 4 Aug | ||||
| 3. | Gadwall | 0 | 4 | 0 | 0 | 0 | 1 | 0 | 5 | 0 | 5 | 4 (28 Apr) | 17 | 2 | 28 Apr | 7 Aug | ||||
| 4. | Mallard | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 0 | 4 | 3 (10 Aug) | 17 | 2 | 8 Aug | 10 Aug | ||||
| 5. | Teal | 0 | 0 | 0 | 0 | 0 | 42 | 1 | 43 | 43 | 0 | 26 ( 6 Aug) | 33 | 4 | 6 Aug | 4 Sep | ||||
| 6. | Eider | 18 | 6 | 0 | 0 | 0 | 313 | 0 | 337 | 308 | 29 | 150 ( 7 Aug) | 67 | 8 | 8 Mar | 8 Aug | ||||
| 7. | Velvet Scoter | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 8 Aug) | 8 | 1 | 8 Aug | 8 Aug | ||||
| 8. | Common Scoter | 284 | 20 | 0 | 0 | 0 | 1830 | 279 | 2413 | 2236 | 177 | 625 ( 7 Aug) | 100 | 12 | 8 Mar | 4 Sep | ||||
| 9. | Red-breasted Merganser | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 13 | 0 | 8 (17 Mar) | 25 | 3 | 8 Mar | 25 Mar | ||||
| 10. | Little Grebe | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 ( 3 Sep) | 8 | 1 | 3 Sep | 3 Sep | ||||
| 11. | Great Crested Grebe | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 ( 8 Mar) | 8 | 1 | 8 Mar | 8 Mar | ||||
| 12. | grebe sp. | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 4 Aug) | 8 | 1 | 4 Aug | 4 Aug | ||||
| 13. | Oystercatcher | 3 | 0 | 0 | 0 | 0 | 71 | 0 | 74 | 47 | 27 | 33 ( 6 Aug) | 42 | 5 | 25 Mar | 10 Aug | ||||
| 14. | Golden Plover | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 2 ( 7 Aug) | 8 | 1 | 7 Aug | 7 Aug | ||||
| 15. | Grey Plover | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 8 | 5 | 3 | 5 ( 5 Aug) | 17 | 2 | 5 Aug | 6 Aug | ||||
| 16. | Ringed Plover | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 0 | 1 ( 4 Aug) | 17 | 2 | 4 Aug | 3 Sep | ||||
| 17. | Whimbrel | 0 | 0 | 0 | 0 | 0 | 33 | 0 | 33 | 2 | 31 | 33 ( 4 Aug) | 8 | 1 | 4 Aug | 4 Aug | ||||
| 18. | Curlew | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 1 | 1 ( 4 Aug) | 17 | 2 | 4 Aug | 3 Sep | ||||
| 19. | Bar-tailed Godwit | 0 | 16 | 0 | 0 | 0 | 144 | 0 | 160 | 100 | 60 | 88 ( 6 Aug) | 42 | 5 | 28 Apr | 7 Aug | ||||
| 20. | Turnstone | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 16 | 15 | 1 | 9 ( 4 Aug) | 25 | 3 | 4 Aug | 7 Aug | ||||
| 21. | Sanderling | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 13 | 11 | 2 | 11 ( 4 Aug) | 17 | 2 | 4 Aug | 6 Aug | ||||
| 22. | Dunlin | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 6 | 0 | 6 ( 4 Sep) | 8 | 1 | 4 Sep | 4 Sep | ||||
| 23. | Snipe | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 ( 3 Sep) | 8 | 1 | 3 Sep | 3 Sep | ||||
| 24. | Common Sandpiper | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 1 | 2 | 3 ( 6 Aug) | 8 | 1 | 6 Aug | 6 Aug | ||||
| 25. | Kittiwake | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 1 | 1 ( 4 Aug) | 17 | 2 | 4 Aug | 5 Aug | ||||
| 26. | Black-headed Gull | 6 | 159 | 0 | 0 | 0 | 72 | 0 | 237 | 146 | 91 | 159 (28 Apr) | 58 | 7 | 8 Mar | 6 Aug | ||||
| 27. | Common Gull | 0 | 2 | 0 | 0 | 0 | 75 | 0 | 77 | 34 | 43 | 31 ( 6 Aug) | 33 | 4 | 28 Apr | 6 Aug | ||||
| 28. | Great Black-backed Gull | 6 | 2 | 0 | 0 | 0 | 17 | 0 | 25 | 11 | 14 | 12 ( 6 Aug) | 50 | 6 | 8 Mar | 6 Aug | ||||
| 29. | Herring Gull | 104 | 38 | 0 | 0 | 0 | 431 | 0 | 573 | 334 | 239 | 358 ( 6 Aug) | 50 | 6 | 8 Mar | 6 Aug | ||||
| 30. | Lesser Black-backed Gull | 0 | 1 | 0 | 0 | 0 | 142 | 0 | 143 | 67 | 76 | 73 ( 6 Aug) | 33 | 4 | 28 Apr | 6 Aug | ||||
| Species | Mar | Apr | May | Jun | Jul | Aug | Sep | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Gull-billed Tern | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 ( 4 Aug) | 8 | 1 | 4 Aug | 4 Aug | ||||
| 32. | Sandwich Tern | 1 | 56 | 0 | 0 | 0 | 1639 | 48 | 1744 | 1022 | 722 | 875 ( 6 Aug) | 75 | 9 | 17 Mar | 4 Sep | ||||
| 33. | Little Tern | 0 | 10 | 0 | 0 | 0 | 13 | 0 | 23 | 22 | 1 | 10 (28 Apr) | 25 | 3 | 28 Apr | 10 Aug | ||||
| 34. | Common Tern | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 1 | 3 | 3 ( 5 Aug) | 17 | 2 | 4 Aug | 5 Aug | ||||
| 35. | Arctic Tern | 0 | 0 | 0 | 0 | 0 | 152 | 0 | 152 | 115 | 37 | 72 ( 4 Aug) | 25 | 3 | 4 Aug | 6 Aug | ||||
| 36. | Common/Arctic Tern | 0 | 5 | 0 | 0 | 0 | 92 | 25 | 122 | 98 | 24 | 37 ( 6 Aug) | 58 | 7 | 28 Apr | 4 Sep | ||||
| 37. | Arctic Skua | 0 | 0 | 0 | 0 | 0 | 3 | 5 | 8 | 8 | 0 | 3 ( 3 Sep) | 42 | 5 | 4 Aug | 4 Sep | ||||
| 38. | Red-throated Diver | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 5 | 1 | 6 ( 8 Mar) | 8 | 1 | 8 Mar | 8 Mar | ||||
| 39. | diver sp. | 48 | 0 | 0 | 0 | 0 | 0 | 0 | 48 | 44 | 4 | 48 ( 8 Mar) | 8 | 1 | 8 Mar | 8 Mar | ||||
| 40. | Gannet | 0 | 1 | 0 | 0 | 0 | 13 | 6 | 20 | 15 | 5 | 7 ( 4 Aug) | 67 | 8 | 28 Apr | 4 Sep | ||||
| Species | Mar | Apr | May | Jun | Jul | Aug | Sep | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 584 | 320 | 0 | 0 | 0 | 5162 | 374 | 6440 | 4741 | 1699 | 100 | 12 | ||||||||
| Observation hours | 4:00 | 1:00 | 0:00 | 0:00 | 0:00 | 16:00 | 2:45 | 23:45 | ||||||||||||
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