Also present
Totals Po Toi - Seawatch (Hong Kong) 2022
| Species | May | Totals | NE | W | Max present | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Black Swan | 1 | 1 | 1 | 0 | 0 | 1 (20 May) | 7 | 1 | 20 May | 20 May | ||||
| 2. | Pacific Swift | 50 | 50 | 50 | 0 | 2 | 30 ( 1 May) | 57 | 8 | 1 May | 21 May | ||||
| 3. | House Swift | 85 | 85 | 85 | 0 | 2 | 62 ( 1 May) | 29 | 4 | 1 May | 20 May | ||||
| 4. | Pacific Golden Plover | 1 | 1 | 1 | 0 | 0 | 1 ( 5 May) | 7 | 1 | 5 May | 5 May | ||||
| 5. | Whimbrel | 26 | 26 | 26 | 0 | 0 | 16 ( 2 May) | 36 | 5 | 1 May | 5 May | ||||
| 6. | Red-necked Phalarope | 3097 | 3097 | 2698 | 399 | 0 | 821 ( 7 May) | 100 | 14 | 1 May | 21 May | ||||
| 7. | Terek Sandpiper | 26 | 26 | 26 | 0 | 0 | 26 ( 4 May) | 7 | 1 | 4 May | 4 May | ||||
| 8. | Turnstone | 0 | 0 | 0 | 0 | 2 | 29 | 4 | 2 May | 7 May | |||||
| 9. | wader sp. | 162 | 162 | 161 | 1 | 0 | 79 ( 2 May) | 57 | 8 | 1 May | 18 May | ||||
| 10. | small wader | 8 | 8 | 8 | 0 | 0 | 5 ( 1 May) | 21 | 3 | 1 May | 8 May | ||||
| 11. | Sharp-tailed Sandpiper | 1 | 1 | 1 | 0 | 0 | 1 ( 2 May) | 7 | 1 | 2 May | 2 May | ||||
| 12. | Red-necked Stint | 10 | 10 | 10 | 0 | 0 | 8 ( 4 May) | 14 | 2 | 2 May | 4 May | ||||
| 13. | Oriental Pratincole | 29 | 29 | 29 | 0 | 0 | 12 (18 May) | 43 | 6 | 4 May | 18 May | ||||
| 14. | Aleutian Tern | 783 | 783 | 783 | 0 | 0 | 312 ( 7 May) | 64 | 9 | 4 May | 21 May | ||||
| 15. | Bridled Tern | 1619 | 1619 | 1619 | 0 | 0 | 248 ( 8 May) | 100 | 14 | 1 May | 21 May | ||||
| 16. | Little Tern | 409 | 409 | 409 | 0 | 1 | 159 ( 5 May) | 86 | 12 | 1 May | 21 May | ||||
| 17. | Gull-billed Tern | 60 | 60 | 60 | 0 | 0 | 31 ( 4 May) | 71 | 10 | 1 May | 21 May | ||||
| 18. | Whiskered Tern | 291 | 291 | 290 | 1 | 0 | 92 ( 1 May) | 71 | 10 | 1 May | 20 May | ||||
| 19. | tern/marsh tern sp. | 427 | 427 | 427 | 0 | 0 | 96 ( 7 May) | 93 | 13 | 1 May | 21 May | ||||
| 20. | White-winged Black Tern | 1430 | 1430 | 1410 | 20 | 0 | 336 ( 7 May) | 100 | 14 | 1 May | 21 May | ||||
| 21. | Common Tern | 2256 | 2256 | 2245 | 11 | 1 | 456 ( 5 May) | 93 | 13 | 1 May | 21 May | ||||
| 22. | Black-naped Tern | 52 | 52 | 52 | 0 | 1 | 27 ( 5 May) | 64 | 9 | 3 May | 21 May | ||||
| 23. | Roseate Tern | 42 | 42 | 42 | 0 | 10 | 14 ( 8 May) | 64 | 9 | 5 May | 21 May | ||||
| 24. | Greater Crested Tern | 171 | 171 | 171 | 0 | 0 | 28 ( 4 May) | 93 | 13 | 1 May | 21 May | ||||
| 25. | skua sp. | 3 | 3 | 3 | 0 | 0 | 2 ( 2 May) | 14 | 2 | 2 May | 6 May | ||||
| 26. | Arctic Skua | 73 | 73 | 73 | 0 | 0 | 27 ( 6 May) | 71 | 10 | 2 May | 20 May | ||||
| 27. | storm-petrel sp. | 0 | 0 | 0 | 0 | 1 | 7 | 1 | 6 May | 6 May | |||||
| 28. | Streaked Shearwater | 24 | 24 | 24 | 0 | 0 | 12 ( 6 May) | 36 | 5 | 5 May | 21 May | ||||
| 29. | Short-tailed Shearwater | 88 | 88 | 86 | 2 | 0 | 18 ( 7 May) | 86 | 12 | 1 May | 21 May | ||||
| 30. | Bulwer's Petrel | 1 | 1 | 1 | 0 | 0 | 1 (20 May) | 7 | 1 | 20 May | 20 May | ||||
| Species | May | Totals | NE | W | Max present | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 31. | Red-footed Booby | 2 | 2 | 2 | 0 | 0 | 1 ( 5 May) | 14 | 2 | 5 May | 20 May | ||||
| 32. | Brown Booby | 7 | 7 | 7 | 0 | 0 | 2 ( 6 May) | 43 | 6 | 2 May | 21 May | ||||
| 33. | Masked Booby | 1 | 1 | 1 | 0 | 0 | 1 ( 6 May) | 7 | 1 | 6 May | 6 May | ||||
| 34. | Pacific Reef Heron | 0 | 0 | 0 | 0 | 3 | 86 | 12 | 3 May | 21 May | |||||
| 35. | Little Egret | 44 | 44 | 44 | 0 | 0 | 16 ( 4 May) | 71 | 10 | 1 May | 18 May | ||||
| 36. | Egretta sp. | 88 | 88 | 88 | 0 | 0 | 33 ( 2 May) | 71 | 10 | 2 May | 21 May | ||||
| 37. | Striated Heron | 1 | 1 | 1 | 0 | 0 | 1 ( 4 May) | 7 | 1 | 4 May | 4 May | ||||
| 38. | Chinese Pond Heron | 4 | 4 | 4 | 0 | 0 | 3 (15 May) | 14 | 2 | 4 May | 15 May | ||||
| 39. | Eastern Cattle Egret | 287 | 287 | 287 | 0 | 0 | 132 ( 2 May) | 79 | 11 | 1 May | 19 May | ||||
| 40. | Great White Egret | 21 | 21 | 21 | 0 | 0 | 5 ( 2 May) | 64 | 9 | 1 May | 21 May | ||||
| 41. | Intermediate Egret | 2 | 2 | 2 | 0 | 0 | 2 ( 4 May) | 7 | 1 | 4 May | 4 May | ||||
| 42. | Osprey | 2 | 2 | 2 | 0 | 0 | 1 ( 4 May) | 14 | 2 | 4 May | 5 May | ||||
| 43. | Chinese Sparrowhawk | 55 | 55 | 55 | 0 | 0 | 55 ( 1 May) | 7 | 1 | 1 May | 1 May | ||||
| 44. | falcon sp. | 1 | 1 | 1 | 0 | 0 | 1 (19 May) | 7 | 1 | 19 May | 19 May | ||||
| 45. | Peregrine | 1 | 1 | 1 | 0 | 0 | 1 ( 4 May) | 7 | 1 | 4 May | 4 May | ||||
| 46. | Brown Shrike | 57 | 57 | 57 | 0 | 0 | 56 ( 1 May) | 14 | 2 | 1 May | 15 May | ||||
| 47. | Chestnut Bulbul | 1 | 1 | 1 | 0 | 0 | 1 ( 4 May) | 7 | 1 | 4 May | 4 May | ||||
| 48. | Light-vented Bulbul | 0 | 0 | 0 | 0 | 2 | 7 | 1 | 19 May | 19 May | |||||
| 49. | Sooty-headed Bulbul | 0 | 0 | 0 | 0 | 1 | 7 | 1 | 6 May | 6 May | |||||
| 50. | Swallow | 110 | 110 | 110 | 0 | 1 | 22 ( 4 May) | 86 | 12 | 1 May | 21 May | ||||
| 51. | Crested Myna | 0 | 0 | 0 | 0 | 1 | 7 | 1 | 3 May | 3 May | |||||
| 52. | Blue Rock-Thrush | 1 | 1 | 1 | 0 | 0 | 1 ( 1 May) | 7 | 1 | 1 May | 1 May | ||||
| 53. | Eastern Yellow Wagtail | 8 | 8 | 8 | 0 | 0 | 3 ( 3 May) | 29 | 4 | 2 May | 7 May | ||||
| 54. | Grey Wagtail | 6 | 6 | 6 | 0 | 1 | 2 ( 1 May) | 36 | 5 | 1 May | 20 May | ||||
| Species | May | Totals | NE | W | Max present | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 11924 | 11924 | 11490 | 434 | 100 | 14 | |||||||||
| Observation hours | 128:55 | 128:55 | |||||||||||||
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