Also present
Totals Terschelling, Paal 18 1974
| Species | May | Jun | Jul | Aug | Sep | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Dark-bellied Brent Goose | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 (19 Sep) | 20 | 1 | 19 Sep | 19 Sep | ||||
| 2. | Eider | 12 | 0 | 0 | 0 | 0 | 12 | 3 | 9 | 12 ( 4 May) | 20 | 1 | 4 May | 4 May | ||||
| 3. | Common Scoter | 143 | 0 | 113 | 0 | 285 | 541 | 383 | 158 | 245 (18 Sep) | 100 | 5 | 4 May | 19 Sep | ||||
| 4. | grebe sp. | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 0 | 2 (18 Sep) | 20 | 1 | 18 Sep | 18 Sep | ||||
| 5. | Grey Plover | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 3 ( 4 May) | 20 | 1 | 4 May | 4 May | ||||
| 6. | Curlew | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 ( 4 May) | 20 | 1 | 4 May | 4 May | ||||
| 7. | Bar-tailed Godwit | 31 | 0 | 0 | 0 | 0 | 31 | 1 | 30 | 31 ( 4 May) | 20 | 1 | 4 May | 4 May | ||||
| 8. | Greenshank | 8 | 0 | 0 | 0 | 0 | 8 | 0 | 8 | 8 ( 4 May) | 20 | 1 | 4 May | 4 May | ||||
| 9. | Arctic Tern | 6 | 0 | 0 | 0 | 0 | 6 | 0 | 6 | 6 ( 4 May) | 20 | 1 | 4 May | 4 May | ||||
| 10. | Common/Arctic Tern | 17 | 0 | 25 | 0 | 158 | 200 | 183 | 17 | 128 (18 Sep) | 80 | 4 | 4 May | 19 Sep | ||||
| 11. | Sandwich Tern | 458 | 0 | 91 | 0 | 45 | 594 | 134 | 460 | 458 ( 4 May) | 100 | 5 | 4 May | 19 Sep | ||||
| 12. | Little Gull | 4 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 4 ( 4 May) | 20 | 1 | 4 May | 4 May | ||||
| 13. | Kittiwake | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 (18 Sep) | 20 | 1 | 18 Sep | 18 Sep | ||||
| 14. | Black-headed Gull | 5 | 0 | 0 | 0 | 0 | 5 | 0 | 5 | 5 ( 4 May) | 20 | 1 | 4 May | 4 May | ||||
| 15. | Common Gull | 40 | 0 | 0 | 0 | 0 | 40 | 0 | 40 | 40 ( 4 May) | 20 | 1 | 4 May | 4 May | ||||
| 16. | Great Black-backed Gull | 8 | 0 | 0 | 0 | 0 | 8 | 0 | 8 | 8 ( 4 May) | 20 | 1 | 4 May | 4 May | ||||
| 17. | Lesser Black-backed Gull | 50 | 0 | 0 | 0 | 6 | 56 | 6 | 50 | 50 ( 4 May) | 40 | 2 | 4 May | 19 Sep | ||||
| 18. | skua sp. | 0 | 0 | 0 | 0 | 5 | 5 | 5 | 0 | 5 (19 Sep) | 20 | 1 | 19 Sep | 19 Sep | ||||
| 19. | Arctic Skua | 0 | 0 | 0 | 0 | 8 | 8 | 8 | 0 | 8 (18 Sep) | 20 | 1 | 18 Sep | 18 Sep | ||||
| 20. | Razorbill/Guillemot | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 0 | 2 (18 Sep) | 20 | 1 | 18 Sep | 18 Sep | ||||
| 21. | diver sp. | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 ( 4 May) | 20 | 1 | 4 May | 4 May | ||||
| 22. | Gannet | 1 | 0 | 0 | 0 | 114 | 115 | 110 | 5 | 110 (19 Sep) | 60 | 3 | 4 May | 19 Sep | ||||
| Species | May | Jun | Jul | Aug | Sep | Totals | W | E | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 788 | 0 | 229 | 0 | 627 | 1644 | 839 | 805 | 100 | 5 | ||||||||
| Observation hours | 2:00 | 0:00 | 3:00 | 0:00 | 2:45 | 7:45 | ||||||||||||
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