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| Species | 94 | 95 | 96 | 97 | 98 | 99 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Total No squares surveyed | 122 | 121 | 116 | 138 | 192 | 223 | 213 | 22 | 215 | 214 | 253 | 270 | 267 | 263 |
| Mute Swan | 3 | 4 | 4 | 5 | 9 | 10 | 13 | 1 | 16 | 12 | 16 | 15 | 10 | 13 |
| Pink-footed Goose | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . |
| Greylag Goose | 2 | 1 | 3 | 3 | 2 | 5 | 6 | . | 5 | 8 | 4 | 8 | 11 | 10 |
| Feral/hybrid Goose | . | . | . | 1 | . | . | . | . | . | . | 2 | . | 1 | . |
| Canada Goose | 3 | 9 | 9 | 6 | 11 | 16 | 22 | 1 | 21 | 20 | 36 | 32 | 40 | 41 |
| Brent Goose | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . |
| Shelduck | 5 | 6 | 7 | 7 | 8 | 7 | 9 | . | 7 | 9 | 9 | 10 | 15 | 7 |
| Mandarin | . | 1 | . | . | 1 | 1 | 2 | . | 1 | . | 1 | . | 1 | . |
| Wigeon | . | 2 | . | 1 | . | . | 1 | . | 1 | . | . | . | . | . |
| Gadwall | . | . | . | . | 1 | 1 | 1 | . | 1 | . | . | . | . | 1 |
| Teal | 1 | 2 | 1 | . | 1 | 1 | 3 | . | 2 | 1 | 2 | 4 | 3 | 2 |
| Mallard | 38 | 40 | 32 | 42 | 61 | 73 | 65 | 7 | 77 | 57 | 77 | 86 | 83 | 76 |
| Feral/hybrid mallard type | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 1 |
| Pintail | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . |
| Shoveler | 1 | . | . | . | . | . | . | . | . | 1 | . | 1 | 1 | 2 |
| Red-crested Pochard | . | . | . | . | 1 | . | 1 | . | . | . | . | . | . | . |
| Pochard | . | . | . | . | . | . | 1 | . | 1 | 1 | . | 1 | . | 1 |
| Tufted Duck | 2 | 2 | 3 | 3 | 4 | 3 | 4 | . | 3 | 3 | 3 | 6 | 4 | 2 |
| Eider | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 |
| Common Scoter | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . |
| Goldeneye | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . |
| Red-breasted Merganser | 1 | 1 | . | 2 | 1 | 2 | 1 | . | 1 | . | 1 | 2 | 2 | 1 |
| Goosander | 6 | 3 | 4 | 5 | 8 | 4 | 4 | 1 | 6 | 6 | 7 | 8 | 5 | 5 |
| Ruddy Duck | . | . | . | . | 2 | 1 | 1 | . | 1 | 2 | 3 | 2 | 1 | . |
| Red Grouse | 1 | . | 2 | 1 | 4 | 7 | 4 | 1 | 5 | 5 | 4 | 5 | 4 | 3 |
| Black Grouse | . | . | . | . | . | 1 | 1 | . | 2 | . | 2 | . | 1 | . |
| Red-legged Partridge | . | . | . | 1 | 1 | 1 | 4 | 1 | 2 | 4 | 6 | 5 | 3 | 10 |
| Grey Partridge | 1 | 2 | 1 | 1 | 1 | 2 | 1 | . | 2 | 3 | 1 | 3 | 3 | 2 |
| Quail | . | . | . | . | 1 | . | . | . | . | . | 1 | . | . | . |
| Pheasant | 53 | 50 | 48 | 59 | 73 | 78 | 82 | 2 | 76 | 84 | 109 | 125 | 128 | 135 |
| Golden Pheasant | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . |
| Little Grebe | 2 | 1 | . | 1 | 3 | 3 | 4 | . | 3 | 6 | 5 | 8 | 5 | 4 |
| Great Crested Grebe | 1 | 1 | 1 | 1 | 3 | 1 | 4 | . | 1 | 2 | 1 | 3 | 3 | 4 |
| Fulmar | 2 | 3 | 2 | 2 | 4 | 4 | 3 | . | 9 | 6 | 6 | 7 | 6 | 3 |
| Manx Shearwater | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . |
| Gannet | . | 1 | 1 | 1 | 1 | 2 | 1 | . | 3 | 2 | 3 | 2 | 5 | 2 |
| Cormorant | 5 | 10 | 13 | 9 | 23 | 21 | 19 | 4 | 22 | 19 | 25 | 22 | 23 | 16 |
| Shag | 1 | 1 | 2 | 1 | 1 | 2 | . | . | 3 | 1 | 4 | 3 | 3 | 2 |
| Little Egret | . | . | . | . | 1 | . | . | . | 1 | 1 | 2 | 2 | 3 | 1 |
| Grey Heron | 21 | 25 | 26 | 35 | 41 | 48 | 46 | 2 | 47 | 54 | 53 | 58 | 47 | 49 |
| Honey Buzzard | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . |
| Red Kite | 8 | 7 | 7 | 5 | 6 | 12 | 9 | 1 | 15 | 14 | 24 | 31 | 33 | 26 |
| Marsh Harrier | . | 1 | . | . | . | . | . | . | . | . | . | 1 | . | . |
| Hen Harrier | 1 | 1 | 1 | 2 | . | 1 | 1 | . | 2 | 4 | 2 | 1 | 4 | 1 |
| Goshawk | . | 1 | 1 | 2 | 3 | 5 | 6 | 2 | 5 | 7 | 3 | 5 | 4 | 9 |
| Sparrowhawk | 10 | 10 | 12 | 13 | 33 | 21 | 19 | . | 23 | 25 | 16 | 25 | 29 | 32 |
| Buzzard | 80 | 78 | 75 | 86 | 113 | 150 | 151 | 10 | 155 | 142 | 160 | 176 | 178 | 186 |
| Osprey | . | . | . | . | . | . | . | . | 1 | . | 1 | . | . | . |
| Kestrel | 17 | 15 | 14 | 18 | 24 | 27 | 22 | . | 26 | 22 | 26 | 35 | 31 | 30 |
| Merlin | 1 | . | . | 2 | 1 | . | 3 | . | 4 | 3 | 1 | . | 1 | . |
| Hobby | 1 | 1 | . | 1 | 2 | 1 | . | . | 3 | 1 | . | 1 | 1 | 3 |
| Peregrine | 11 | 6 | 8 | 3 | 9 | 8 | 8 | . | 5 | 4 | 14 | 16 | 7 | 8 |
| Water Rail | . | . | . | . | . | . | . | . | . | . | . | 2 | 1 | 3 |
| Spotted Crake | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . |
| Moorhen | 13 | 10 | 12 | 16 | 23 | 27 | 22 | 1 | 18 | 17 | 29 | 29 | 19 | 26 |
| Coot | 6 | 6 | 5 | 4 | 6 | 9 | 12 | . | 9 | 11 | 11 | 12 | 10 | 9 |
| Oystercatcher | 4 | 4 | 6 | 7 | 7 |