SU17F (Overton Down)

Winter abundance 2007–2012

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