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ST94D (Boreham Down)

Winter abundance 2007–2012

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