SU23C (Porton Down)

Winter abundance 2007–2012

Blackbird >50% fewer than average Mallard Tufted Duck Firecrest
Chaffinch >50% fewer than average Green Woodpecker Average +/- 25% Woodcock Smew
Woodpigeon >100% more than average Nuthatch >50% fewer than average Blackcap Waxwing
Blue Tit 25-50% fewer than average Red-legged Partridge Peregrine Result not available Bewick's Swan
Carrion Crow >50% fewer than average Linnet Hen Harrier Average +/- 25% Black Redstart
Robin >50% fewer than average Moorhen Teal Red-crested Pochard
Great Tit >50% fewer than average Sparrowhawk Barn Owl Ruddy Duck
Wren Black-headed Gull >50% fewer than average Great Crested Grebe Yellow-legged Gull
Jackdaw >50% fewer than average Lesser Black-backed Gull >50% fewer than average Chiffchaff Cattle Egret
Magpie >100% more than average Raven Result not available Tawny Owl Common Redpoll
Buzzard Average +/- 25% Grey Heron Tree Sparrow Dartford Warbler Result not available
Rook Average +/- 25% Treecreeper Gadwall Great Bustard Result not available
Fieldfare Average +/- 25% Lapwing >50% fewer than average Merlin Great Grey Shrike
Dunnock >50% fewer than average Marsh Tit Pochard Great White Egret
Goldfinch 25-100% more than average Stonechat >50% fewer than average Little Owl Mediterranean Gull
Pheasant 25-50% fewer than average Common Gull >50% fewer than average Common Crossbill Whooper Swan
Redwing >50% fewer than average Herring Gull Water Rail Bittern
Starling 25-50% fewer than average Mute Swan Wigeon Black-tailed Godwit
Song Thrush 25-100% more than average Siskin Goosander Common Sandpiper
Long-tailed Tit >50% fewer than average Grey Wagtail Shoveler Crane Result not available
Greenfinch Corn Bunting Cetti's Warbler Dunlin
Great Spotted Woodpecker 25-50% fewer than average Brambling Willow Tit Result not available Egyptian Goose
House Sparrow Coot Great Black-backed Gull Long-eared Owl Result not available
Pied Wagtail >50% fewer than average Feral Pigeon Hawfinch Result not available Marsh Harrier
Kestrel Reed Bunting Green Sandpiper Oystercatcher
Skylark >50% fewer than average Cormorant Short-eared Owl Pintail
Collared Dove Golden Plover >50% fewer than average Greylag Goose Red-breasted Merganser
Bullfinch Average +/- 25% Canada Goose Lesser Spotted Woodpecker Result not available Redshank
Yellowhammer Red Kite Mandarin Duck Ring Ouzel
Jay >50% fewer than average Little Grebe Shelduck Ringed Plover
Mistle Thrush Snipe Goldeneye Ruddy Shelduck
Goldcrest >50% fewer than average Grey Partridge Woodlark Result not available Scaup
Coal Tit >50% fewer than average Little Egret Jack Snipe
Meadow Pipit >50% fewer than average Kingfisher Curlew
Stock Dove Lesser Redpoll Dipper