Oldbury Power Station annual bird species | |||||||||||||||||||||
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Years seen in last 10 years | % years seen in last 10 | Years seen 1979-2005* | % years seen 1979-2005 | Difference in % | Years seen since 1979 | |
American Wigeon | 1 | 1 | 10% | 0 | 0% | 10% | 1 | ||||||||||||||
Arctic Skua | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 90% | 2 | 8% | 82% | 15 | ||
Arctic Tern | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 1 | 4% | 96% | 16 |
Avocet | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 90% | 7 | 27% | 63% | 19 | |||
Barn Owl | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | 80% | 3 | 12% | 68% | 13 | |||||
Barnacle Goose | 1 | 1 | 1 | 1 | 1 | 4 | 40% | 3 | 12% | 28% | 8 | ||||||||||
Bar-tailed Godwit | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Bean Goose (Taiga) | 0 | 0% | 1 | 4% | -4% | 1 | |||||||||||||||
Bean Goose (Tundra) | 1 | 1 | 10% | 0 | 0% | 10% | 1 | ||||||||||||||
Bearded Tit | 1 | 1 | 1 | 10% | 0 | 0% | 10% | 2 | |||||||||||||
Bewick's Swan | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 30% | 15 | 58% | -28% | 21 | |||||||||
Bittern | 0 | 0% | 1 | 4% | -4% | 1 | |||||||||||||||
Black Redstart | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 90% | 9 | 35% | 55% | 23 | |
Black Tern | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 30% | 6 | 23% | 7% | 12 | |||||||||
Blackbird | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Blackcap | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Black-headed Gull | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Black-necked Grebe | 0 | 0% | 2 | 8% | -8% | 2 | |||||||||||||||
Black-tailed Godwit | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Black-winged Stilt | 0 | 0% | 1 | 4% | -4% | 1 | |||||||||||||||
Blue Tit | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Brambling | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 90% | 10+ | 38% | 52% | 20 | |||||
Brent Goose | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 50% | 5 | 19% | 31% | 12 | ||||||||
Broad-billed Sandpiper | 0 | 0% | 1 | 4% | -4% | 1 | |||||||||||||||
Bullfinch | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Buzzard | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Canada Goose | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 10 | 38% | 62% | 25 |
Carrion Crow | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Cett's Warbler | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | 80% | 2 | 8% | 72% | 11 | ||||||
Chaffinch | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Chiffchaff | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Coal Tit | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | 80% | 20+ | 77% | 3% | 30 | |||||
Collared Dove | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 10+ | 38% | 62% | 25 |
Common Crane | 1 | 1 | 1 | 1 | 1 | 4 | 40% | 0 | 0% | 40% | 5 | ||||||||||
Common Gull | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Common Redpoll | 1 | 1 | 1 | 2 | 20% | 0 | 0% | 20% | 3 | ||||||||||||
Common Sandpiper | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Common Scoter | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 50% | 6 | 23% | 27% | 14 | |||||||
Common Tern | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 39 | ||
Coot | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Cormorant | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Corn Bunting | 1 | 1 | 1 | 1 | 1 | 3 | 30% | 1 | 4% | 26% | 6 | ||||||||||
Crossbill | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | 80% | 0 | 0% | 80% | 9 | ||||||
Cuckoo | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 20+ | 77% | 23% | 35 |
Curlew | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Curlew Sandpiper | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 90% | 26 | 100% | -10% | 40 | |
Dotterel | 1 | 1 | 10% | 0 | 0% | 10% | 1 | ||||||||||||||
Dunlin | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Dunnock | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Egyptian Goose | 1 | 1 | 1 | 1 | 3 | 30% | 1 | 4% | 26% | 5 | |||||||||||
Eider | 0 | 0% | 2 | 8% | -8% | 2 | |||||||||||||||
Feral Pigeon | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Fieldfare | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Firecrest | 1 | 1 | 1 | 1 | 1 | 4 | 40% | 0 | 0% | 40% | 5 | ||||||||||
Fulmar | 1 | 1 | 1 | 1 | 3 | 30% | 0 | 0% | 30% | 4 | |||||||||||
Gadwall | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Gannet | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 7 | 70% | 3 | 12% | 58% | 10 | ||||||||
Garden Warbler | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 20+ | 77% | 23% | 35 |
Garganey | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 50% | 4 | 15% | 35% | 13 | ||||||
Glaucous Gull | 0 | 0% | 1 | 4% | -4% | 1 | |||||||||||||||
Goldcrest | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Golden Plover | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | c13 | 50% | 50% | 27 |
Goldeneye | 1 | 1 | 1 | 1 | 10% | 20 | 77% | -67% | 23 | ||||||||||||
Goldfinch | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Goosander | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 40% | 2 | 8% | 32% | 8 | |||||||||
Goshawk | 1 | 1 | 1 | 1 | 1 | 5 | 50% | 2 | 8% | 42% | 7 | ||||||||||
Grasshopper Warbler | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 5+ | 19% | 81% | 18 | ||
Great Black-backed Gull | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Great Bustard | 1 | 0 | 0% | 0 | 0% | 0% | 1 | ||||||||||||||
Great Crested Grebe | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 50% | 7 | 27% | 23% | 15 | |||||||
Great Northern Diver | 0 | 0% | 1 | 4% | -4% | 1 | |||||||||||||||
Great Skua | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | 80% | 2 | 8% | 72% | 13 | ||||
Great Spotted Woodpecker | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Great Tit | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Great White Egret | 1 | 1 | 1 | 1 | 1 | 1 | 6 | 60% | 0 | 0% | 60% | 6 | |||||||||
Green Sandpiper | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 90% | 20+ | 77% | 13% | 33 | ||
Green Woodpecker | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 14 | 54% | 46% | 29 |
Greenfinch | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Greenshank | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 90% | 26 | 100% | -10% | 40 | |
Green-winged Teal | 1 | 0 | 0% | 1 | 4% | -4% | 2 | ||||||||||||||
Grey Heron | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Grey Partridge | 0 | 0% | 3 | 12% | -12% | 3 | |||||||||||||||
Grey Phalarope | 1 | 1 | 1 | 1 | 4 | 40% | 4 | 15% | 25% | 8 | |||||||||||
Grey Plover | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Grey Wagtail | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Greylag Goose | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 90% | 8 | 31% | 59% | 22 | |
Guillemot | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 50% | 1 | 4% | 46% | 7 | |||||||||
Hawfinch | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 7 | 70% | 1 | 4% | 66% | 8 | ||||||||
Hen Harrier | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 30% | 0 | 0% | 30% | 7 | ||||||||
Herring Gull | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Hobby | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 13 | 50% | 50% | 28 |
Hoopoe | 1 | 1 | 2 | 20% | 0 | 0% | 20% | 3 | |||||||||||||
House Martin | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
House Sparrow | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Iceland Gull | 1 | 1 | 10% | 5 | 19% | -9% | 6 | ||||||||||||||
Jack Snipe | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | 80% | 14 | 54% | 26% | 27 | ||
Jackdaw | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Jay | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 20+ | 77% | 23% | 35 |
Kentish Plover | 0 | 0% | 1 | 4% | -4% | 1 | |||||||||||||||
Kestrel | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Kingfisher | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 90% | 4+ | 15% | 75% | 18 | |
Kittiwake | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 90% | 13+ | 50% | 40% | 24 | ||||
Knot | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 20+ | 77% | 23% | 35 |
Lapland Bunting | 1 | 0 | 0% | 0 | 0% | 0% | 1 | ||||||||||||||
Lapwing | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Lesser Black-backed Gull | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Lesser Redpoll | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Lesser Spotted Woodpecker | 1 | 1 | 10% | 1 | 4% | 6% | 2 | ||||||||||||||
Lesser Whitethroat | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Linnet | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Little Auk | 0 | 0% | 1 | 4% | -4% | 1 | |||||||||||||||
Little Egret | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 6 | 23% | 77% | 21 |
Little Grebe | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 40 | |
Little Gull | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 90% | 5 | 19% | 71% | 16 | ||||
Little Owl | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10% | 20+ | 77% | -67% | 26 | |||||||||
Little Ringed Plover | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 50% | 20+ | 77% | -27% | 29 | ||||||
Little Stint | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 20% | 20+ | 77% | -57% | 27 | ||||||||
Little Tern | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 40% | 3 | 12% | 28% | 9 | |||||||||
Long-eared Owl | 0 | 0% | 7+ | 27% | -27% | 7 | |||||||||||||||
Long-tailed Duck | 0 | 0% | 5 | 19% | -19% | 5 | |||||||||||||||
Long-tailed Skua | 1 | 0 | 0% | 0 | 0% | 0% | 1 | ||||||||||||||
Long-tailed Tit | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Magpie | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 16 | 62% | 38% | 31 |
Mallard | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Mandarin Duck | 1 | 1 | 1 | 1 | 1 | 3 | 30% | 4 | 15% | 15% | 9 | ||||||||||
Manx Shearwater | 1 | 1 | 1 | 1 | 3 | 30% | 2 | 8% | 22% | 6 | |||||||||||
Marsh Harrier | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 6 | 60% | 2 | 8% | 52% | 11 | ||||||
Marsh Tit | 1 | 1 | 2 | 20% | 4 | 15% | 5% | 6 | |||||||||||||
Meadow Pipit | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Mediterranean Gull | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 14 | 54% | 46% | 29 |
Merlin | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 16 | 62% | 38% | 31 |
Mistle Thrush | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Moorhen | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Mute Swan | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 23 | 88% | 12% | 38 |
Nightingale | 0 | 0% | 2 | 8% | -8% | 2 | |||||||||||||||
Nightjar | 1 | 1 | 2 | 20% | 0 | 0% | 20% | 2 | |||||||||||||
Nuthatch | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 50% | 2 | 8% | 42% | 8 | |||||||||
Osprey | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 50% | 2 | 8% | 42% | 8 | |||||||||
Oystercatcher | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Pectoral Sandpiper | 0 | 0% | 2 | 8% | -8% | 2 | |||||||||||||||
Peregrine | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 22 | 85% | 15% | 37 |
Pheasant | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Pied Flycatcher | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 50% | 1 | 4% | 46% | 7 | |||||||||
Pied Wagtail | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Pied Wheatear | 1 | 1 | 10% | 0 | 0% | 10% | 1 | ||||||||||||||
Pintail | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 24 | 92% | 8% | 39 |
Pochard | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 40% | 12 | 46% | -6% | 19 | ||||||||
Pomarine Skua | 1 | 1 | 1 | 10% | 0 | 0% | 10% | 2 | |||||||||||||
Raven | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 11 | 42% | 58% | 26 |
Red Kite | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 90% | 0 | 0% | 90% | 13 | ||
Red-breasted Merganser | 1 | 1 | 1 | 1 | 1 | 4 | 40% | 6 | 23% | 17% | 11 | ||||||||||
Red-crested Pochard | 1 | 1 | 1 | 2 | 20% | 0 | 0% | 20% | 3 | ||||||||||||
Red-legged Partridge | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 6 | 60% | 3 | 12% | 48% | 11 | |||||||
Redshank | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Redstart | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 40 | |
Redwing | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Reed Bunting | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Reed Warbler | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 17+ | 65% | 35% | 32 |
Richard's Pipit | 1 | 0 | 0% | 1 | 4% | -4% | 2 | ||||||||||||||
Ring Ouzel | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 6 | 60% | 2 | 8% | 52% | 10 | |||||||
Ring-billed Gull | 0 | 0% | 1 | 4% | -4% | 1 | |||||||||||||||
Ringed Plover | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Ring-necked Duck | 0 | 0% | 1 | 4% | -4% | 1 | |||||||||||||||
Ring-necked Parakeet | 1 | 1 | 1 | 1 | 10% | 0 | 0% | 10% | 3 | ||||||||||||
Robin | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Rock Pipit | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 16+ | 62% | 38% | 32 |
Rook | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 20+ | 77% | 23% | 35 |
Ruddy Duck | 0 | 0% | 2 | 8% | -8% | 2 | |||||||||||||||
Ruddy Shelduck | 1 | 1 | 1 | 10% | 0 | 0% | 10% | 2 | |||||||||||||
Ruff | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 50% | 21 | 81% | -31% | 29 | |||||||
Sabine's Gull | 0 | 0% | 2 | 8% | -8% | 2 | |||||||||||||||
Sand Martin | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Sanderling | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 90% | c20 | 77% | 13% | 34 | |
Sandwich Tern | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | 80% | 2 | 8% | 72% | 12 | |||||
Sedge Warbler | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 15+ | 58% | 42% | 30 |
Semi-palmated Sandpiper | 0 | 0% | 1 | 4% | -4% | 1 | |||||||||||||||
Shag | 1 | 1 | 1 | 2 | 20% | 0 | 0% | 20% | 3 | ||||||||||||
Shelduck | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Shore Lark | 1 | 0 | 0% | 0 | 0% | 0% | 1 | ||||||||||||||
Short-eared Owl | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 90% | 15+ | 58% | 32% | 26 | |||
Shoveler | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 20+ | 77% | 23% | 35 |
Siskin | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 7+ | 27% | 73% | 22 |
Skylark | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Slavonian Grebe | 0 | 0% | 1 | 4% | -4% | 1 | |||||||||||||||
Snipe | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Snow Bunting | 1 | 1 | 2 | 20% | 4 | 15% | 5% | 6 | |||||||||||||
Song Thrush | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Sparrowhawk | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Spoonbill | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 30% | 0 | 0% | 30% | 7 | ||||||||
Spotted Flycatcher | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 7+ | 27% | 73% | 22 |
Spotted Redshank | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 30% | 20+ | 77% | -47% | 28 | |||||||
Starling | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Stock Dove | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Stone Curlew | 1 | 1 | 10% | 0 | 0% | 10% | 1 | ||||||||||||||
Stonechat | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 20+ | 77% | 23% | 35 |
Storm Petrel | 1 | 1 | 10% | 2 | 8% | 2% | 3 | ||||||||||||||
Swallow | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Swift | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Tawny Owl | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 0 | 0% | 100% | 15 |
Teal | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Temminck's Stint | 0 | 0% | 1 | 4% | -4% | 1 | |||||||||||||||
Tree Pipit | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | c20 | 77% | 23% | 34 | |
Tree Sparrow | 1 | 1 | 1 | 10% | 19+ | 78% | -68% | 21 | |||||||||||||
Treecreeper | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 9 | 35% | 65% | 24 |
Tufted Duck | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 24 | 92% | 8% | 39 |
Turnstone | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Turtle Dove | 1 | 1 | 1 | 2 | 20% | 3 | 12% | 8% | 6 | ||||||||||||
Twite | 1 | 1 | 2 | 20% | 2 | 8% | 12% | 4 | |||||||||||||
Water Pipit | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 6 | 60% | 3 | 12% | 48% | 11 | |||||||
Water Rail | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 11 | 42% | 58% | 26 |
Waxwing | 1 | 1 | 1 | 10% | 0 | 0% | 10% | 2 | |||||||||||||
Wheatear | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Whimbrel | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Whinchat | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 20+ | 77% | 23% | 35 |
Whiskered Tern | 1 | 1 | 10% | 0 | 0% | 10% | 1 | ||||||||||||||
White-fronted Goose | 1 | 1 | 1 | 1 | 10% | 17 | 65% | -55% | 20 | ||||||||||||
Whitethroat | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Whooper Swan | 1 | 1 | 1 | 2 | 20% | 2 | 8% | 12% | 5 | ||||||||||||
Wigeon | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Willow Warbler | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Wood Sandpiper | 1 | 1 | 1 | 10% | 3 | 12% | -2% | 5 | |||||||||||||
Wood Warbler | 1 | 1 | 1 | 1 | 1 | 4 | 40% | 3 | 12% | 28% | 8 | ||||||||||
Woodcock | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 40% | 3 | 12% | 28% | 9 | |||||||||
Woodpigeon | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Wren | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Wryneck | 1 | 1 | 10% | 0 | 0% | 10% | 2 | ||||||||||||||
Yellow Wagtail | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Yellow-browed Warbler | 1 | 1 | 2 | 20% | 0 | 0% | 20% | 2 | |||||||||||||
Yellowhammer | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 100% | 26 | 100% | 0% | 41 |
Yellow-legged Gull | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 90% | 15 | 58% | 32% | 27 | |||
Total Species recorded in year | 149 | 156 | 152 | 158 | 151 | 153 | 140 | 152 | 150 | 143 | 151 | 142 | 149 | 136 | 142 | ||||||
2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | Years seen in last 10 years | % years seen in last 10 | Years seen 1979-2005* | % years seen 1979-2005 | Difference in % | Years seen since 1979 | |
No. in last 10 years | |||||||||||||||||||||
Very Rare - not seen in last 10 years, but seen since 1979*; or only seen once ever. | 4 | 2 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 2 | 2 | 0 | 2 | 0 | 0 | 10 | |||||
Very Rare - Seen one or two years in last 10 years (and more than once ever). | 4 | 3 | 3 | 6 | 3 | 3 | 1 | 4 | 6 | 4 | 7 | 5 | 4 | 2 | 5 | 22 | |||||
Rare - seen less than half years (3 to 4 times in last 10 years) | 7 | 7 | 5 | 10 | 6 | 7 | 4 | 6 | 3 | 4 | 5 | 4 | 8 | 5 | 5 | 20 | |||||
Total of Rare or Very Rare | 15 | 12 | 9 | 17 | 10 | 10 | 6 | 11 | 9 | 10 | 14 | 9 | 14 | 7 | 10 | 52 | |||||
Uncommon - seen at least half years (missed 2 to 5 years in 10) | 15 | 25 | 24 | 22 | 22 | 26 | 16 | 23 | 23 | 18 | 19 | 17 | 16 | 11 | 17 | 25 | |||||
Annual/Almost Annual - missed max. one year in last 10 | 119 | 119 | 119 | 119 | 119 | 117 | 118 | 118 | 118 | 115 | 118 | 116 | 119 | 118 | 115 | 125 | |||||
149 | 156 | 152 | 158 | 151 | 153 | 140 | 152 | 150 | 143 | 151 | 142 | 149 | 136 | 142 | 202 | Species recorded in last 10 years | |||||
* The historic records (1979 – 2005) are with reference to ’The
Journal of the Bristol Ornithological Club, Number 28, 2006; The Birds of Oldbury Power Station Silt Lagoons’ by AJ Middleton, DH Payne, JDR Vernon. |
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(Note that where the above publication does not specify all records for a species I have estimated the number of years seen from the text in the publication.) | |||||||||||||||||||||
The following Annual species are the least commonly seen (10 or less times per year on average, over last 10 years): | |||||||||||||||||||||
Arctic Skua | |||||||||||||||||||||
Arctic Tern | |||||||||||||||||||||
Avocet | |||||||||||||||||||||
Brambling | |||||||||||||||||||||
Common Tern | |||||||||||||||||||||
Cuckoo | |||||||||||||||||||||
Curlew Sandpiper | |||||||||||||||||||||
Garden Warbler | |||||||||||||||||||||
Golden Plover | |||||||||||||||||||||
Grasshopper Warbler | |||||||||||||||||||||
Green Sandpiper | |||||||||||||||||||||
Greenshank | |||||||||||||||||||||
Greylag Goose | |||||||||||||||||||||
Hobby | |||||||||||||||||||||
Kingfisher | |||||||||||||||||||||
Kittiwake | |||||||||||||||||||||
Knot | |||||||||||||||||||||
Little Gull | |||||||||||||||||||||
Mediterranean Gull | |||||||||||||||||||||
Merlin | |||||||||||||||||||||
Pintail | |||||||||||||||||||||
Red Kite | |||||||||||||||||||||
Redstart | |||||||||||||||||||||
Sanderling | |||||||||||||||||||||
Short-eared Owl | |||||||||||||||||||||
Spotted Flycatcher | |||||||||||||||||||||
Tawny Owl | |||||||||||||||||||||
Tree Pipit | |||||||||||||||||||||
Treecreeper | |||||||||||||||||||||
Whinchat | |||||||||||||||||||||
Yellowhammer | |||||||||||||||||||||
Yellow-legged Gull | |||||||||||||||||||||