ST87Q (Corsham)

Winter abundance 2007–2012

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