SU18A (Costow Down Farm)

Winter abundance 2007–2012

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