| Two Tree Island 1999. - Leigh on Sea, Essex, England. 51°32'09.56"N 0°37'49.21"E | ||||
| OS Reference……… | TQ 823891 | |||
| Area………………….. | 256.5 Hectares | |||
| Date of Visit…………. | December | 10th | 27th | 30th |
| Little Grebe | ||||
| Great Crested Grebe | ||||
| Red-necked Grebe | ||||
| Slavonian Grebe | ||||
| Cormorant | 2 | |||
| Little Egret | ||||
| Grey Heron | ||||
| Mute Swan | ||||
| Greylag Goose | ||||
| Canada Goose | ||||
| Brent Goose | 330 | 114 | 113 | |
| Shelduck | 12 | 6 | ||
| Wigeon | 84 | 88 | 11 | |
| Gadwall | ||||
| Teal | 41 | 55 | 48 | |
| Mallard | 23 | 21 | 2 | |
| Pintail | ||||
| Shoveler | ||||
| Velvet Scoter | ||||
| Red-breasted Merganser | ||||
| Red Kite | ||||
| Sparrowhawk | ||||
| Kestrel | 1 | 2 | ||
| Merlin | 1 | |||
| Pheasant | 2 | 2 | ||
| Water Rail | ||||
| Moorhen | 12 | 9 | 8 | |
| Coot | ||||
| Oystercatcher | 10 | 71 | 92 | |
| Ringed Plover | 25 | 3 | ||
| Golden Plover | ||||
| Grey Plover | 51 | 29 | 6 | |
| Lapwing | 1 | 26 | 8 | |
| Knot | ||||
| Dunlin | 540 | 1800 | 1240 | |
| Snipe | 2 | |||
| Black-tailed Godwit | 2 | 38 | 22 | |
| Bar-tailed Godwit | ||||
| Whimbrel | ||||
| Curlew | 20 | 47 | 32 | |
| Redshank | 534 | 54 | 81 | |
| Greenshank | ||||
| Green Sandpiper | ||||
| Common Sandpiper | ||||
| Turnstone | 1 | 9 | ||
| Black-headed Gull | 60 | 70 | 50 | |
| Common Gull | 5 | 16 | ||
| Lesser Blackbacked Gull | 5 | 2 | ||
| Herring Gull | 251 | 151 | 352 | |
| Great Blackbacked Gull | 1120 | 153 | 350 | |
| Kittiwake | ||||
| Common Tern | ||||
| Little Tern | ||||
| Black Tern | ||||
| Rock Dove | ||||
| Feral Pigeon | ||||
| Wood Pigeon | 45 | 25 | 9 | |
| Collared Dove | ||||
| Turtle Dove | ||||
| Cockatiel | ||||
| Cuckoo | ||||
| Short-eared Owl | ||||
| Swift | ||||
| Kingfisher | ||||
| Green Woodpecker | 1 | |||
| Great Spotted Woodpecker | ||||
| Skylark | 10 | 10 | 2 | |
| Sand Martin | ||||
| Swallow | ||||
| House Martin | ||||
| Meadow Pipit | 8 | 7 | 4 | |
| Rock Pipit | ||||
| Yellow Wagtail | ||||
| Grey Wagtail | ||||
| Pied Wagatil | 1 | 1 | ||
| Wren | 11 | 2 | 7 | |
| Dunnock | 12 | 7 | 7 | |
| Robin | 6 | 10 | 3 | |
| Nightingale | ||||
| Redstart | ||||
| Whinchat | ||||
| Stonechat | ||||
| Wheatear | ||||
| Blackbird | 14 | 14 | 10 | |
| Fieldfare | 3 | |||
| Song Thrush | 4 | |||
| Redwing | ||||
| Mistle Thrush | ||||
| Sedge Warbler | ||||
| Reed Warbler | ||||
| Lesser Whitethroat | ||||
| Whitethroat | ||||
| Blackcap | ||||
| Chiffchaff | ||||
| Willow Warbler | ||||
| Long-tailed Tit | ||||
| Blue Tit | 4 | 3 | 3 | |
| Great Tit | 1 | |||
| Jay | ||||
| Magpie | 8 | 9 | 12 | |
| Jackdaw | ||||
| Rook | ||||
| Carrion Crow | 11 | 12 | 3 | |
| (hooded crow) | ||||
| Starling | 23 | 3 | 2 | |
| House Sparrow | 12 | |||
| Tree Sparrow | ||||
| Chaffinch | 6 | 5 | 6 | |
| Greenfinch | 3 | |||
| Goldfinch | 22 | 19 | 8 | |
| Siskin | ||||
| Linnet | 1 | |||
| Twite | ||||
| Bullfinch | ||||
| Yellowhammer | ||||
| Reed Bunting | 6 | 5 | 1 | |
| Corn Bunting | ||||