Best get this started! I'll add to it as information becomes available. (I've amended it to bring it up to date, 8 Jan)
1. Pinkfooted goose
2. Greylag goose
3. Snow goose (3 Jan)
4. Snow bunting (1 Jan)
5. Jack snipe (1 Jan)
6. Green-winged teal (1 Jan)
7. Mallard
8. Wigeon
9. Teal
10. Shoveler
11. Pintail
12. Little egret
13. Little grebe (4 Jan)
14. Whooper swan
15. Great Northern diver (5 Jan)
16. Red throated diver (5 Jan)
17. Long-tailed duck (5 Jan)
18. Purple sandpiper (5 Jan)
19. Turnstone (5 Jan)
20. Sanderling (5 Jan)
21. Red-breasted merganser (5 Jan)
22. Bar-tailed godwit (5 Jan)
23. Goldeneye (5 Jan)
24. Barnacle goose
25. Tufted duck
26 Gadwall
27. Mute swan
28. Lapwing
29. Curlew
30. Oystercatcher
31. Redshank
32. Grey plover
33. Gannet
34. Eider
35. Shag
36. Cormorant
37. Herring gull
38. Common gull
39. Black-headed gull
40. Great black-backed gull
41. Rook
42. Jackdaw
43. Carrion crow
44. Magpie
45. Pheasant
46. Grey heron
47. Buzzard
48. Starling
49. Wren
50. Robin
51. Goldcrest
52. Blackbird
53. Goldfinch
54. Greenfinch
55. Great spotted woodpecker
56. Blue tit
57. Tree sparrow
58. Great tit
59. Dunnock
60. Linnet
61. Reed bunting
62. Yellowhammer
63. Chaffinch
64. Corn bunting
65. Meadow pipit
66. Snipe
67. Coal tit
68. Siskin
69. Feral pigeon
98. Skylark (16 Feb)
99. Goosander (17 Feb)
100. Pochard (17 Feb)
101. Mistle thrush (20 Feb)
102. Bearded tit (22 Feb, Fen Hide)
103. Iceland gull (16 Mar)
104. Hooded crow (17 Mar)
105. Grey partridge (18 Mar)
.... and a few that slipped the net from earlier!
106. Lesser black-backed gull
107. Coot
108. Moorhen
109. Shelduck
110. Ruff (22 Mar)
111. Garganey (23 Mar)
112. Swallow (6 Apr)
113. Sand martin (6 Apr)
114. Great white egret (7 Apr)
115. Grey wagtail (7 Apr)
116. Chiffchaff (7 Apr)
117. Canada goose (9 Apr)
118. Willow warbler (10 Apr)
119. White-tailed eagle (late entry, 22 March)
120. short-eared owl (12 Apr)
121. Merlin (15 Apr)
122. Wheatear (21 Apr)
123. sedge warbler (29 Apr)
124. barn owl (30 Apr)
125. common tern (30 Apr)
126. marsh harrier (3 May)
127. whimbrel (3 May)
128. grasshopper warbler (4 May)
129. little ringed plover (4 May)
130. Ring ousel (6 May in fields north of the Cut)
131. swift (6 May)