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ST87Q (Corsham)

Winter abundance 2007–2012

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