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BBS population declines & increases

1.   BBS – UK alerts – 13 years
2.   BBS – England alerts – 13 years
3.   BBS – Scotland alerts – 13 years
4.   BBS – Wales alerts – 13 years
5.   BBS – Northern Ireland alerts – 13 years
6.   BBS – UK alerts – 10 years
7.   BBS – England alerts – 10 years
8.   BBS – Scotland alerts – 10 years
9.   BBS – Wales alerts – 10 years
10. BBS – Northern Ireland alerts – 10 years
11. BBS – UK alert – 5 years
12. BBS – England alerts – 5 years
13. BBS – Scotland alerts – 5 years
14. BBS – Wales alerts – 5 years
15. BBS – Northern Ireland alerts – 5 years
16. BBS – UK population increases of >50%
17. BBS – England population increases of >50%
18. BBS – Scotland population increases of >50%    
19. BBS – Wales population increases of >50%
20. BBS – Northern Ireland population increases of >50%

 

1. Table of declines >25% for BBS UK 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Willow Tit 14 52 -76 -82 -67 >50  
Turtle Dove 14 170 -74 -79 -69 >50  
Wood Warbler 14 54 -62 -73 -46 >50  
Yellow Wagtail 14 156 -55 -62 -47 >50  
Whinchat 14 77 -55 -67 -41 >50  
Grey Partridge 14 228 -54 -60 -45 >50  
Pied Flycatcher 14 41 -51 -65 -33 >50  
Cuckoo 14 731 -48 -52 -43 >25  
Spotted Flycatcher 14 199 -47 -60 -33 >25  
Starling 14 1734 -45 -48 -41 >25  
Curlew 14 504 -41 -46 -35 >25  
Redshank 14 85 -35 -48 -14 >25  
Dipper 14 57 -35 -53 -10 >25  
Corn Bunting 14 143 -33 -45 -22 >25  
Swift 14 1022 -31 -40 -22 >25  
Little Owl 14 101 -29 -42 -17 >25  
Kestrel 14 641 -28 -34 -19 >25  

2. Table of declines >25% for BBS England 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Willow Tit 14 46 -76 -82 -69 >50  
Turtle Dove 14 167 -74 -79 -69 >50  
Cuckoo 14 572 -63 -66 -60 >50  
Nightingale 14 30 -57 -70 -32 >50  
Yellow Wagtail 14 153 -55 -63 -46 >50  
Spotted Flycatcher 14 139 -52 -62 -41 >50  
Starling 14 1421 -51 -54 -47 >50  
Grey Partridge 14 203 -50 -56 -40 >25  
Tree Pipit 14 73 -50 -63 -28 >25  
Whinchat 14 33 -45 -67 -17 >25  
Swift 14 882 -32 -41 -21 >25  
Linnet 14 937 -32 -36 -26 >25  
Curlew 14 317 -30 -37 -22 >25  
Mistle Thrush 14 918 -30 -36 -25 >25  
Willow Warbler 14 900 -30 -37 -24 >25  
Corn Bunting 14 136 -29 -41 -13 >25  
Little Owl 14 98 -28 -41 -14 >25  

3. Table of declines >25% for BBS Scotland 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Kestrel 14 43 -58 -71 -38 >50  
Curlew 14 121 -53 -60 -43 >50  
Lapwing 14 89 -37 -50 -21 >25  
Meadow Pipit 14 201 -31 -41 -23 >25  
Starling 14 144 -29 -40 -12 >25  

4. Table of declines >25% for BBS Wales 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Starling 14 82 -63 -72 -49 >50  
Goldcrest 14 82 -52 -69 -22 >50  
Swift 14 67 -50 -64 -28 >50  
Curlew 14 37 -49 -61 -35 >25  
Yellowhammer 14 37 -35 -54 -17 >25  
Cuckoo 14 56 -34 -50 -16 >25  
Linnet 14 91 -31 -51 -5 >25  

5. Table of declines >25% for BBS Northern Ireland 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Skylark 14 35 -36 -47 -29 >25  

6. Table of declines >25% for BBS UK 1999-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Turtle Dove 10 158 -67 -72 -62 >50  
Willow Tit 10 48 -65 -73 -54 >50  
Whinchat 10 72 -46 -60 -33 >25  
Wood Warbler 10 52 -43 -61 -21 >25  
Yellow Wagtail 10 152 -42 -51 -34 >25  
Pied Flycatcher 10 40 -42 -58 -24 >25  
Dipper 10 62 -41 -56 -21 >25  
Starling 10 1841 -41 -44 -37 >25  
Grey Partridge 10 220 -39 -48 -29 >25  
Spotted Flycatcher 10 199 -37 -52 -21 >25  
Cuckoo 10 714 -35 -40 -30 >25  
Little Owl 10 106 -34 -45 -25 >25  
Curlew 10 532 -32 -38 -26 >25  
Goldcrest 10 860 -29 -32 -17 >25  

7. Table of declines >25% for BBS England 1999-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Turtle Dove 10 156 -67 -72 -62 >50  
Willow Tit 10 43 -63 -72 -53 >50  
Nightingale 10 32 -59 -70 -41 >50  
Cuckoo 10 548 -49 -52 -45 >25  
Spotted Flycatcher 10 136 -44 -53 -34 >25  
Starling 10 1501 -44 -46 -40 >25  
Yellow Wagtail 10 148 -43 -52 -32 >25  
Whinchat 10 32 -40 -60 -17 >25  
Tree Pipit 10 76 -35 -54 -15 >25  
Redshank 10 66 -33 -49 -12 >25  
Little Owl 10 103 -33 -45 -20 >25  
Mistle Thrush 10 983 -31 -34 -26 >25  
Grey Partridge 10 198 -30 -40 -19 >25  
Swift 10 940 -27 -33 -20 >25  

8. Table of declines >25% for BBS Scotland 1999-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Kestrel 10 41 -43 -59 -12 >25  
Curlew 10 117 -42 -51 -31 >25  
Goldcrest 10 102 -42 -49 -25 >25  
Starling 10 152 -35 -46 -22 >25  
Mallard 10 99 -33 -45 -23 >25  
Meadow Pipit 10 193 -28 -36 -20 >25  
Red Grouse 10 47 -25 -38 -12 >25  

9. Table of declines >25% for BBS Wales 1999-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Goldcrest 10 91 -53 -64 -35 >50  
Swift 10 75 -50 -65 -34 >50  
Starling 10 87 -48 -57 -36 >25  
Curlew 10 38 -41 -51 -26 >25  
Linnet 10 101 -37 -54 -20 >25  
Tree Pipit 10 33 -35 -53 -6 >25  
Treecreeper 10 44 -34 -53 -13 >25  
House Martin 10 96 -30 -44 -13 >25  
Cuckoo 10 59 -27 -39 -11 >25  

10. Table of declines >25% for BBS Northern Ireland 1999-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Skylark 10 36 -47 -60 -42 >25  
Rook 10 86 -41 -55 -25 >25  
Starling 10 90 -31 -44 -16 >25  
Greenfinch 10 60 -27 -43 -10 >25  

11. Table of declines >25% for BBS UK 2004-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Turtle Dove 5 140 -51 -59 -44 >50  
Willow Tit 5 48 -41 -52 -25 >25  
Stonechat 5 258 -36 -33 -17 >25  
Dipper 5 72 -35 -54 -8 >25  
Goldcrest 5 973 -33 -34 -22 >25  
Kingfisher 5 69 -32 -45 -13 >25  
Yellow Wagtail 5 155 -31 -40 -22 >25  
Grey Partridge 5 240 -30 -37 -19 >25  
Whinchat 5 76 -30 -43 -14 >25  
Starling 5 1988 -27 -31 -21 >25  

12. Table of declines >25% for BBS England 2004-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Turtle Dove 5 139 -51 -57 -44 >50  
Stonechat 5 120 -45 -49 -27 >25  
Willow Tit 5 43 -39 -53 -24 >25  
Nightingale 5 32 -34 -49 -9 >25  
Cuckoo 5 553 -33 -36 -28 >25  
Yellow Wagtail 5 152 -32 -41 -19 >25  
Spotted Flycatcher 5 134 -31 -41 -20 >25  
Tree Pipit 5 83 -27 -41 -13 >25  
Grey Partridge 5 217 -26 -33 -15 >25  
Starling 5 1623 -26 -30 -21 >25  

13. Table of declines >25% for BBS Scotland 2004-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Goldcrest 5 124 -53 -58 -40 >50  
Kestrel 5 46 -43 -57 -18 >25  
Stonechat 5 58 -41 -36 -4 >25  
Grey Heron 5 56 -29 -41 -11 >25 Non-breeders included
Mistle Thrush 5 102 -27 -42 -13 >25  
Starling 5 168 -27 -40 -11 >25  

14. Table of declines >25% for BBS Wales 2004-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Swift 5 75 -39 -52 -26 >25  
Linnet 5 104 -34 -45 -23 >25  
Goldcrest 5 95 -33 -43 -19 >25  
Starling 5 85 -30 -40 -16 >25  
Meadow Pipit 5 99 -27 -34 -16 >25  

15. Table of declines >25% for BBS Northern Ireland 2004-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Greenfinch 5 68 -42 -48 -30 >25  
Starling 5 98 -34 -51 -15 >25  
Meadow Pipit 5 76 -33 -36 -25 >25  
Mistle Thrush 5 74 -28 -39 -16 >25  
Skylark 5 36 -27 -38 -20 >25  

16. Table of population increases for BBS UK 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Chiffchaff 14 1360 52 45 61    
Nuthatch 14 435 66 47 82    
Stonechat 14 164 68 48 138    
Buzzard 14 842 72 57 91    
Blackcap 14 1451 73 65 85    
Tree Sparrow 14 162 73 38 118    
Goldfinch 14 1455 73 64 86    
Canada Goose 14 444 93 56 130    
Great Spotted Woodpecker 14 975 139 123 155    
Greylag Goose 14 159 148 12 343    
Red Kite 14 68 475 236 956    
Barn Owl 14 43 501 315 774    
Ring-necked Parakeet 14 51 842 325 2647    

17. Table of population increases for BBS England 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Chiffchaff 14 1142 53 46 62    
Green Woodpecker 14 723 56 44 66    
Blackcap 14 1245 61 54 69    
Goldfinch 14 1197 63 53 73    
Gadwall 14 32 69 16 160    
Nuthatch 14 365 71 53 91    
Golden Plover 14 20 79 1 161    
Canada Goose 14 413 82 46 120    
Great Spotted Woodpecker 14 850 120 106 133    
Buzzard 14 536 146 117 179    
Greylag Goose 14 131 199 109 392    
Barn Owl 14 40 459 295 688    
Ring-necked Parakeet 14 51 842 337 3434    
Red Kite 14 45 7839 3570 7886    

18. Table of population increases for BBS Scotland 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Tree Pipit 14 32 51 10 118    
Dunnock 14 137 56 35 79    
Snipe 14 56 57 14 127    
Stonechat 14 37 62 44 221    
Whitethroat 14 74 94 40 167    
House Martin 14 59 114 46 190    
Redstart 14 13 118 17 124    
Goldfinch 14 83 123 66 184    
Jay 14 18 134 . .    
Crossbill 14 24 159 59 379    
Blackcap 14 51 209 114 338    
Chiffchaff 14 42 274 161 540    
Great Spotted Woodpecker 14 43 311 202 462    

19. Table of population increases for BBS Wales 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Pheasant 14 89 51 18 94    
Great Tit 14 168 51 30 75    
Collared Dove 14 70 58 16 103    
Goldfinch 14 123 59 30 109    
Blackcap 14 115 74 47 109    
House Sparrow 14 119 87 51 131    
Stonechat 14 37 141 51 278    
Great Spotted Woodpecker 14 71 178 125 253    

20. Table of population increases for BBS Northern Ireland 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Wren 14 90 63 23 99    
Song Thrush 14 74 66 21 111    
Coal Tit 14 60 66 18 108    
Woodpigeon 14 81 77 38 120    
Jackdaw 14 73 77 22 122    
Willow Warbler 14 77 84 41 113    
Dunnock 14 68 95 26 130    
Linnet 14 35 104 22 225    
Hooded Crow 14 78 108 60 151    
Pheasant 14 37 171 53 261    
Great Tit 14 69 172 109 199    
Goldfinch 14 43 728 . .    

Go to Breeding performance

1.   BBS – UK alerts – 13 years
2.   BBS – England alerts – 13 years
3.   BBS – Scotland alerts – 13 years
4.   BBS – Wales alerts – 13 years
5.   BBS – Northern Ireland alerts – 13 years
6.   BBS – UK alerts – 10 years
7.   BBS – England alerts – 10 years
8.   BBS – Scotland alerts – 10 years
9.   BBS – Wales alerts – 10 years
10. BBS – Northern Ireland alerts – 10 years
11. BBS – UK alert – 5 years
12. BBS – England alerts – 5 years
13. BBS – Scotland alerts – 5 years
14. BBS – Wales alerts – 5 years
15. BBS – Northern Ireland alerts – 5 years
16. BBS – UK population increases of >50%
17. BBS – England population increases of >50%
18. BBS – Scotland population increases of >50%    
19. BBS – Wales population increases of >50%
20. BBS – Northern Ireland population increases of >50%

 

1. Table of declines >25% for BBS UK 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Willow Tit 14 52 -76 -82 -67 >50  
Turtle Dove 14 170 -74 -79 -69 >50  
Wood Warbler 14 54 -62 -73 -46 >50  
Yellow Wagtail 14 156 -55 -62 -47 >50  
Whinchat 14 77 -55 -67 -41 >50  
Grey Partridge 14 228 -54 -60 -45 >50  
Pied Flycatcher 14 41 -51 -65 -33 >50  
Cuckoo 14 731 -48 -52 -43 >25  
Spotted Flycatcher 14 199 -47 -60 -33 >25  
Starling 14 1734 -45 -48 -41 >25  
Curlew 14 504 -41 -46 -35 >25  
Redshank 14 85 -35 -48 -14 >25  
Dipper 14 57 -35 -53 -10 >25  
Corn Bunting 14 143 -33 -45 -22 >25  
Swift 14 1022 -31 -40 -22 >25  
Little Owl 14 101 -29 -42 -17 >25  
Kestrel 14 641 -28 -34 -19 >25  

2. Table of declines >25% for BBS England 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Willow Tit 14 46 -76 -82 -69 >50  
Turtle Dove 14 167 -74 -79 -69 >50  
Cuckoo 14 572 -63 -66 -60 >50  
Nightingale 14 30 -57 -70 -32 >50  
Yellow Wagtail 14 153 -55 -63 -46 >50  
Spotted Flycatcher 14 139 -52 -62 -41 >50  
Starling 14 1421 -51 -54 -47 >50  
Grey Partridge 14 203 -50 -56 -40 >25  
Tree Pipit 14 73 -50 -63 -28 >25  
Whinchat 14 33 -45 -67 -17 >25  
Swift 14 882 -32 -41 -21 >25  
Linnet 14 937 -32 -36 -26 >25  
Curlew 14 317 -30 -37 -22 >25  
Mistle Thrush 14 918 -30 -36 -25 >25  
Willow Warbler 14 900 -30 -37 -24 >25  
Corn Bunting 14 136 -29 -41 -13 >25  
Little Owl 14 98 -28 -41 -14 >25  

3. Table of declines >25% for BBS Scotland 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Kestrel 14 43 -58 -71 -38 >50  
Curlew 14 121 -53 -60 -43 >50  
Lapwing 14 89 -37 -50 -21 >25  
Meadow Pipit 14 201 -31 -41 -23 >25  
Starling 14 144 -29 -40 -12 >25  

4. Table of declines >25% for BBS Wales 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Starling 14 82 -63 -72 -49 >50  
Goldcrest 14 82 -52 -69 -22 >50  
Swift 14 67 -50 -64 -28 >50  
Curlew 14 37 -49 -61 -35 >25  
Yellowhammer 14 37 -35 -54 -17 >25  
Cuckoo 14 56 -34 -50 -16 >25  
Linnet 14 91 -31 -51 -5 >25  

5. Table of declines >25% for BBS Northern Ireland 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Skylark 14 35 -36 -47 -29 >25  

6. Table of declines >25% for BBS UK 1999-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Turtle Dove 10 158 -67 -72 -62 >50  
Willow Tit 10 48 -65 -73 -54 >50  
Whinchat 10 72 -46 -60 -33 >25  
Wood Warbler 10 52 -43 -61 -21 >25  
Yellow Wagtail 10 152 -42 -51 -34 >25  
Pied Flycatcher 10 40 -42 -58 -24 >25  
Dipper 10 62 -41 -56 -21 >25  
Starling 10 1841 -41 -44 -37 >25  
Grey Partridge 10 220 -39 -48 -29 >25  
Spotted Flycatcher 10 199 -37 -52 -21 >25  
Cuckoo 10 714 -35 -40 -30 >25  
Little Owl 10 106 -34 -45 -25 >25  
Curlew 10 532 -32 -38 -26 >25  
Goldcrest 10 860 -29 -32 -17 >25  

7. Table of declines >25% for BBS England 1999-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Turtle Dove 10 156 -67 -72 -62 >50  
Willow Tit 10 43 -63 -72 -53 >50  
Nightingale 10 32 -59 -70 -41 >50  
Cuckoo 10 548 -49 -52 -45 >25  
Spotted Flycatcher 10 136 -44 -53 -34 >25  
Starling 10 1501 -44 -46 -40 >25  
Yellow Wagtail 10 148 -43 -52 -32 >25  
Whinchat 10 32 -40 -60 -17 >25  
Tree Pipit 10 76 -35 -54 -15 >25  
Redshank 10 66 -33 -49 -12 >25  
Little Owl 10 103 -33 -45 -20 >25  
Mistle Thrush 10 983 -31 -34 -26 >25  
Grey Partridge 10 198 -30 -40 -19 >25  
Swift 10 940 -27 -33 -20 >25  

8. Table of declines >25% for BBS Scotland 1999-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Kestrel 10 41 -43 -59 -12 >25  
Curlew 10 117 -42 -51 -31 >25  
Goldcrest 10 102 -42 -49 -25 >25  
Starling 10 152 -35 -46 -22 >25  
Mallard 10 99 -33 -45 -23 >25  
Meadow Pipit 10 193 -28 -36 -20 >25  
Red Grouse 10 47 -25 -38 -12 >25  

9. Table of declines >25% for BBS Wales 1999-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Goldcrest 10 91 -53 -64 -35 >50  
Swift 10 75 -50 -65 -34 >50  
Starling 10 87 -48 -57 -36 >25  
Curlew 10 38 -41 -51 -26 >25  
Linnet 10 101 -37 -54 -20 >25  
Tree Pipit 10 33 -35 -53 -6 >25  
Treecreeper 10 44 -34 -53 -13 >25  
House Martin 10 96 -30 -44 -13 >25  
Cuckoo 10 59 -27 -39 -11 >25  

10. Table of declines >25% for BBS Northern Ireland 1999-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Skylark 10 36 -47 -60 -42 >25  
Rook 10 86 -41 -55 -25 >25  
Starling 10 90 -31 -44 -16 >25  
Greenfinch 10 60 -27 -43 -10 >25  

11. Table of declines >25% for BBS UK 2004-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Turtle Dove 5 140 -51 -59 -44 >50  
Willow Tit 5 48 -41 -52 -25 >25  
Stonechat 5 258 -36 -33 -17 >25  
Dipper 5 72 -35 -54 -8 >25  
Goldcrest 5 973 -33 -34 -22 >25  
Kingfisher 5 69 -32 -45 -13 >25  
Yellow Wagtail 5 155 -31 -40 -22 >25  
Grey Partridge 5 240 -30 -37 -19 >25  
Whinchat 5 76 -30 -43 -14 >25  
Starling 5 1988 -27 -31 -21 >25  

12. Table of declines >25% for BBS England 2004-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Turtle Dove 5 139 -51 -57 -44 >50  
Stonechat 5 120 -45 -49 -27 >25  
Willow Tit 5 43 -39 -53 -24 >25  
Nightingale 5 32 -34 -49 -9 >25  
Cuckoo 5 553 -33 -36 -28 >25  
Yellow Wagtail 5 152 -32 -41 -19 >25  
Spotted Flycatcher 5 134 -31 -41 -20 >25  
Tree Pipit 5 83 -27 -41 -13 >25  
Grey Partridge 5 217 -26 -33 -15 >25  
Starling 5 1623 -26 -30 -21 >25  

13. Table of declines >25% for BBS Scotland 2004-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Goldcrest 5 124 -53 -58 -40 >50  
Kestrel 5 46 -43 -57 -18 >25  
Stonechat 5 58 -41 -36 -4 >25  
Grey Heron 5 56 -29 -41 -11 >25 Non-breeders included
Mistle Thrush 5 102 -27 -42 -13 >25  
Starling 5 168 -27 -40 -11 >25  

14. Table of declines >25% for BBS Wales 2004-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Swift 5 75 -39 -52 -26 >25  
Linnet 5 104 -34 -45 -23 >25  
Goldcrest 5 95 -33 -43 -19 >25  
Starling 5 85 -30 -40 -16 >25  
Meadow Pipit 5 99 -27 -34 -16 >25  

15. Table of declines >25% for BBS Northern Ireland 2004-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Greenfinch 5 68 -42 -48 -30 >25  
Starling 5 98 -34 -51 -15 >25  
Meadow Pipit 5 76 -33 -36 -25 >25  
Mistle Thrush 5 74 -28 -39 -16 >25  
Skylark 5 36 -27 -38 -20 >25  

16. Table of population increases for BBS UK 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Chiffchaff 14 1360 52 45 61    
Nuthatch 14 435 66 47 82    
Stonechat 14 164 68 48 138    
Buzzard 14 842 72 57 91    
Blackcap 14 1451 73 65 85    
Tree Sparrow 14 162 73 38 118    
Goldfinch 14 1455 73 64 86    
Canada Goose 14 444 93 56 130    
Great Spotted Woodpecker 14 975 139 123 155    
Greylag Goose 14 159 148 12 343    
Red Kite 14 68 475 236 956    
Barn Owl 14 43 501 315 774    
Ring-necked Parakeet 14 51 842 325 2647    

17. Table of population increases for BBS England 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Chiffchaff 14 1142 53 46 62    
Green Woodpecker 14 723 56 44 66    
Blackcap 14 1245 61 54 69    
Goldfinch 14 1197 63 53 73    
Gadwall 14 32 69 16 160    
Nuthatch 14 365 71 53 91    
Golden Plover 14 20 79 1 161    
Canada Goose 14 413 82 46 120    
Great Spotted Woodpecker 14 850 120 106 133    
Buzzard 14 536 146 117 179    
Greylag Goose 14 131 199 109 392    
Barn Owl 14 40 459 295 688    
Ring-necked Parakeet 14 51 842 337 3434    
Red Kite 14 45 7839 3570 7886    

18. Table of population increases for BBS Scotland 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Tree Pipit 14 32 51 10 118    
Dunnock 14 137 56 35 79    
Snipe 14 56 57 14 127    
Stonechat 14 37 62 44 221    
Whitethroat 14 74 94 40 167    
House Martin 14 59 114 46 190    
Redstart 14 13 118 17 124    
Goldfinch 14 83 123 66 184    
Jay 14 18 134 . .    
Crossbill 14 24 159 59 379    
Blackcap 14 51 209 114 338    
Chiffchaff 14 42 274 161 540    
Great Spotted Woodpecker 14 43 311 202 462    

19. Table of population increases for BBS Wales 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Pheasant 14 89 51 18 94    
Great Tit 14 168 51 30 75    
Collared Dove 14 70 58 16 103    
Goldfinch 14 123 59 30 109    
Blackcap 14 115 74 47 109    
House Sparrow 14 119 87 51 131    
Stonechat 14 37 141 51 278    
Great Spotted Woodpecker 14 71 178 125 253    

20. Table of population increases for BBS Northern Ireland 1995-2009

Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Wren 14 90 63 23 99    
Song Thrush 14 74 66 21 111    
Coal Tit 14 60 66 18 108    
Woodpigeon 14 81 77 38 120    
Jackdaw 14 73 77 22 122    
Willow Warbler 14 77 84 41 113    
Dunnock 14 68 95 26 130    
Linnet 14 35 104 22 225    
Hooded Crow 14 78 108 60 151    
Pheasant 14 37 171 53 261    
Great Tit 14 69 172 109 199    
Goldfinch 14 43 728 . .    

 

 

This report should be cited as: Baillie, S.R., Marchant, J.H., Leech, D.I., Renwick, A.R., Eglington, S.M., Joys, A.C., Noble, D.G., Barimore, C., Conway, G.J., Downie, I.S., Risely, K. & Robinson, R.A. (2012) BirdTrends 2011. BTO Research Report No. 609. BTO, Thetford. http://www.bto.org/birdtrends