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BBWC Home > Contents > Appendix > Tables of population declines and increases from BBS
   
7.4 Tables of population declines and increases from BBS
1. BBS – UK alerts - 11 years
2. BBS – England alerts - 11 years
3. BBS – Scotland alerts - 11 years
4. BBS – Wales alerts - 11 years
5. BBS – UK alerts - 10 years
6. BBS – England alerts - 10 years
7. BBS – Scotland alerts - 10 years
8. BBS – Wales alerts - 10 years
9. BBS – UK alerts - 5 years
10. BBS – England alerts - 5 years
11. BBS – Scotland alerts - 5 years
12. BBS – Wales alerts - 5 years
13. BBS – UK population increases of >50%
14. BBS – England population increases of >50%
15. BBS – Scotland population increases of >50%
16. BBS – Wales population increases of >50%
17. BBS – Northern Ireland population increases of >50%
5. Table of population increases for BBS UK 1995-2006

Species Period
(yrs)		 Plots
(n)		 Change
(%)		 Lower
limit		 Upper
limit		 Alert Comment
Blackcap 11 1293 55 48 64    
Raven 11 214 80 40 133    
Great Spotted Woodpecker 11 811 112 100 124    
Canada Goose 11 393 115 72 159    
Greylag Goose 11 127 120 21 281    
Stonechat 11 122 200 140 265    
Red Kite 11 43 282 152 599    

6. Table of population increases for BBS England 1995-2006

Species Period
(yrs)		 Plots
(n)		 Change
(%)		 Lower
limit		 Upper
limit		 Alert Comment
Green Woodpecker 11 636 51 42 62    
Buzzard 11 400 90 68 117    
Canada Goose 11 367 102 58 152    
Great Spotted Woodpecker 11 721 105 94 119    
Greylag Goose 11 103 126 64 257    
Stonechat 11 48 167 83 278    
Raven 11 71 172 68 303    
Ring-necked Parakeet 11 34 522 202 1861    

7. Table of population increases for BBS Scotland 1995-2006

Species Period
(yrs)		 Plots
(n)		 Change
(%)		 Lower
limit		 Upper
limit		 Alert Comment
Mistle Thrush 11 66 51 21 101    
Goldcrest 11 79 57 24 82    
Goldfinch 11 73 58 14 126    
Raven 11 39 63 3 138    
Wren 11 194 66 43 80    
House Martin 11 53 84 21 136    
Whitethroat 11 66 87 41 155    
Blackcap 11 36 145 81 246    
Chiffchaff 11 29 158 62 336    
Stonechat 11 29 229 122 359    

8. Table of population increases for BBS Wales 1995-2006

Species Period
(yrs)		 Plots
(n)		 Change
(%)		 Lower
limit		 Upper
limit		 Alert Comment
Blackcap 11 109 56 30 83    
Goldfinch 11 115 56 21 113    
Pheasant 11 82 57 32 97    
House Sparrow 11 113 68 45 100    
Great Spotted Woodpecker 11 61 98 62 148    
Herring Gull 11 76 137 35 294    
Stonechat 11 33 207 117 360    

9. Table of population increases for BBS Northern Ireland 1995-2006

Species Period
(yrs)		 Plots
(n)		 Change
(%)		 Lower
limit		 Upper
limit		 Alert Comment
Meadow Pipit 11 59 51 21 101    
Jackdaw 11 66 58 11 94    
House Martin 11 36 59 1 146    
Wren 11 82 62 21 95    
Woodpigeon 11 73 64 28 103    
Goldcrest 11 38 84 21 111    
Starling 11 69 86 35 169    
Coal Tit 11 53 87 40 137    
Dunnock 11 62 90 37 136    
Hooded Crow 11 71 111 59 160    
Greenfinch 11 46 115 34 204    
Great Tit 11 61 124 71 160    
Pheasant 11 30 148 46 239    
Goldfinch 11 34 543 . .    

 
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This report should be cited as:
Baillie, S.R., Marchant, J.H., Leech, D.I., Joys, A.C., Noble, D.G.,
Barimore, C., Grantham, M.J., Risely, K. & Robinson, R.A. (2009).
Breeding Birds in the Wider Countryside: their conservation status 2008.
BTO Research Report No. 516. BTO, Thetford. (http://www.bto.org/birdtrends)

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