ST88P (Willesley)

Winter abundance 2007–2012

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