Well, to kick the year off, here's what we've had so far:
1. Yellowhammer
2. Carrion crow
3. Mute swan
4. Whooper swan
5. Mallard
6. Goldeneye
7. Teal
8. Gadwall
9. Pintail
10. Wigeon
11. Shoveler
12. Green-winged teal
13. Grey heron
14. Little egret
15.Goldfinch
16. Greenfinch
17. Linnet
18. Reed bunting
19. Wren
20. Robin
21. Dunnock
22. Blue tit
23. Great tit
24. Coal tit
25. Chaffinch
26. Tree sparrow
27. Blackbird
28. Buzzard
29. Kestrel
30. Sparrowhawk
31. Moorhen
32. Coot
33. Water rail
34. Wood pigeon
35. Collared dove
36. Rook
37. Jackdaw
38. Great black-backed gull
39. Herring gull
40. Common gull
41. Black-headed gull
42. Snipe
43. Jack snipe
44. Cormorant
45. Shag
46. Curlew
47. Lapwing
48. Gannet
49. Starling
50. Great spotted woodpecker
51. Oystercatcher
52. Pheasant
53. Red-breasted merganser
54. Redshank
55. Goosander
56. Pink-footed goose
57. Fieldfare
58. White-fronted goose (Greenland)
59. Greylag goose
60. Bearded tit
157. stock dove (23 Aug)
158. greenish warbler (Plantation, 25 Aug)
159. wryneck (26 Aug, between Fen & Bay Hides)
160. bee eater (29 Aug, over Plantation)
161. long-eared owl (24 Aug, Tower Pool Hide)
162. red-breasted flycatcher (24 Aug)
163. buff-breasted sandpiper (23 Sep)
164. yellow-browed warbler
165. pectoral sandpiper
166. redwing (6 Oct)
167. kingfisher (16 Oct)
168. white-rumped sandpiper (18 Oct)
169. smew (red-head, 24 Nov)
Following a recount (and the production of the Annual Report), we find we missed off great northern diver, long-tailed tit and ring ouzel, which brings the year total to 172.