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BBS population declines & increases
  1. BBS – UK alerts – 22 years
  2. BBS – England alerts – 22 years
  3. BBS – Scotland alerts – 22 years
  4. BBS – Wales alerts – 22 years
  5. BBS – Northern Ireland alerts – 22 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% 22 years
  17. BBS – England population increases of >50% – 22 years
  18. BBS – Scotland population increases of >50% – 22 years   
  19. BBS – Wales population increases of >50% – 22 years
  20. BBS – Northern Ireland population increases of >50% – 22 years

1. Table of declines >25% for BBS UK 1995-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Turtle Dove 22 126 -94 -96 -92 >50  
Willow Tit 22 46 -83 -88 -76 >50  
Grey Partridge 22 224 -63 -67 -56 >50  
Wood Warbler 22 53 -63 -75 -44 >50  
Greenfinch 22 1856 -59 -62 -57 >50  
Little Owl 22 93 -57 -66 -49 >50  
Swift 22 1070 -57 -61 -52 >50  
Whinchat 22 78 -56 -69 -42 >50  
Starling 22 1834 -52 -56 -49 >50  
Curlew 22 538 -48 -54 -43 >25  
Yellow Wagtail 22 167 -46 -54 -35 >25  
Spotted Flycatcher 22 191 -46 -59 -29 >25  
Redshank 22 89 -44 -62 -20 >25  
Marsh Tit 22 151 -44 -53 -33 >25  
Lapwing 22 701 -42 -48 -35 >25  
Pied Flycatcher 22 40 -42 -71 -6 >25  
Cuckoo 22 704 -41 -48 -36 >25  
Peregrine 22 53 -36 -54 -11 >25  
Wheatear 22 370 -34 -42 -20 >25  
Kestrel 22 692 -32 -38 -25 >25  
Corn Bunting 22 145 -30 -42 -13 >25  
Tawny Owl 22 97 -29 -40 -12 >25 Nocturnal species
Dipper 22 66 -28 -45 -2 >25  
Common Sandpiper 22 74 -26 -43 -9 >25  
Garden Warbler 22 469 -26 -35 -16 >25  
Mistle Thrush 22 1219 -25 -31 -19 >25  

2. Table of declines >25% for BBS England 1995-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Turtle Dove 22 124 -94 -96 -92 >50  
Willow Tit 22 40 -85 -90 -79 >50  
Cuckoo 22 538 -70 -73 -67 >50  
Spotted Flycatcher 22 132 -67 -72 -59 >50  
Nightingale 22 33 -62 -77 -47 >50  
Starling 22 1490 -61 -64 -58 >50  
Grey Partridge 22 200 -60 -66 -54 >50  
Little Owl 22 90 -57 -67 -45 >50  
Greenfinch 22 1567 -57 -60 -54 >50  
Swift 22 922 -56 -60 -51 >50  
Tree Pipit 22 76 -53 -67 -28 >50  
Common Sandpiper 22 32 -49 -64 -18 >25  
Whinchat 22 33 -48 -64 -27 >25  
Redshank 22 64 -46 -58 -33 >25  
Yellow Wagtail 22 163 -45 -53 -36 >25  
Dipper 22 32 -44 -68 -3 >25  
Willow Warbler 22 965 -43 -49 -35 >25  
Marsh Tit 22 138 -42 -53 -31 >25  
Mistle Thrush 22 959 -38 -43 -34 >25  
House Martin 22 766 -34 -40 -28 >25  
Grasshopper Warbler 22 41 -34 -55 -1 >25  
Feral Pigeon/Rock Dove 22 595 -31 -39 -20 >25  
Garden Warbler 22 381 -31 -38 -23 >25  
Corn Bunting 22 138 -31 -43 -15 >25  
Curlew 22 353 -30 -38 -18 >25  
Yellowhammer 22 1086 -30 -34 -26 >25  
Sparrowhawk 22 301 -29 -37 -20 >25  
Lapwing 22 591 -28 -37 -19 >25  

3. Table of declines >25% for BBS Scotland 1995-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Greenfinch 22 110 -66 -73 -57 >50  
Curlew 22 130 -61 -68 -53 >50  
Kestrel 22 41 -59 -73 -35 >50  
Swift 22 56 -59 -69 -46 >50  
Lapwing 22 88 -55 -65 -45 >50  
Hooded Crow 22 54 -40 -58 -18 >25  
Oystercatcher 22 143 -38 -49 -26 >25  
Wheatear 22 88 -37 -53 -19 >25  
Rook 22 124 -37 -51 -16 >25  
Starling 22 166 -28 -43 -8 >25  

4. Table of declines >25% for BBS Wales 1995-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Swift 22 69 -69 -76 -57 >50  
Greenfinch 22 116 -69 -77 -59 >50  
Curlew 22 35 -68 -78 -57 >50  
Starling 22 83 -68 -78 -53 >50  
Yellowhammer 22 33 -62 -74 -48 >50  
Rook 22 83 -60 -70 -48 >50  
Goldcrest 22 94 -46 -60 -18 >25  
Wheatear 22 60 -42 -54 -24 >25  
Chaffinch 22 219 -29 -36 -20 >25  
Whitethroat 22 94 -28 -42 -11 >25  
Magpie 22 178 -27 -35 -16 >25  

5. Table of declines >25% for BBS Northern Ireland 1995-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Greenfinch 22 48 -75 -84 -57 >50  
Skylark 22 32 -47 -61 -37 >25  

6. Table of declines >25% for BBS UK 2007-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Turtle Dove 10 70 -83 -88 -77 >50  
Greenfinch 10 2105 -67 -68 -66 >50  
Little Owl 10 88 -43 -52 -32 >25  
Swift 10 1171 -42 -47 -37 >25  
Stonechat 10 217 -37 -46 -27 >25  
Grey Partridge 10 221 -36 -44 -27 >25  
Lapwing 10 783 -33 -40 -27 >25  
Marsh Tit 10 164 -31 -39 -20 >25  
Starling 10 2027 -29 -34 -25 >25  
Moorhen 10 769 -28 -33 -24 >25  
Wheatear 10 467 -27 -36 -19 >25  
Kestrel 10 792 -26 -31 -21 >25  
Grey Wagtail 10 276 -26 -34 -18 >25  

7. Table of declines >25% for BBS England 2007-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Turtle Dove 10 68 -83 -89 -77 >50  
Greenfinch 10 1786 -65 -66 -63 >50  
Willow Tit 10 33 -53 -67 -41 >50  
Little Owl 10 86 -44 -53 -33 >25  
Spotted Flycatcher 10 119 -40 -47 -27 >25  
Swift 10 1012 -39 -46 -33 >25  
Grey Partridge 10 198 -37 -46 -28 >25  
Redshank 10 75 -37 -49 -25 >25  
Starling 10 1636 -35 -39 -31 >25  
Cuckoo 10 488 -32 -38 -26 >25  
House Martin 10 851 -32 -37 -27 >25  
Lapwing 10 673 -30 -34 -24 >25  
Sparrowhawk 10 339 -29 -34 -23 >25  
Chaffinch 10 2574 -29 -31 -28 >25  
Moorhen 10 714 -28 -32 -23 >25  
Tree Pipit 10 84 -27 -45 -5 >25  
Nightingale 10 37 -27 -45 -1 >25  
Grey Heron 10 668 -25 -30 -21 >25 Non-breeders included

8. Table of declines >25% for BBS Scotland 2007-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Greenfinch 10 126 -69 -74 -64 >50  
Stonechat 10 52 -51 -62 -41 >50  
Kestrel 10 40 -44 -62 -24 >25  
Swift 10 66 -43 -56 -24 >25  
Grey Wagtail 10 39 -40 -54 -21 >25  
Lapwing 10 90 -38 -50 -22 >25  
Goldcrest 10 125 -36 -46 -21 >25  
Wheatear 10 102 -32 -45 -18 >25  

9. Table of declines >25% for BBS Wales 2007-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Greenfinch 10 125 -76 -80 -72 >50  
Rook 10 90 -51 -62 -36 >50  
Swift 10 70 -50 -65 -32 >50  
Curlew 10 31 -44 -59 -26 >25  
Starling 10 82 -32 -45 -17 >25  
Wheatear 10 69 -31 -46 -13 >25  
Chaffinch 10 250 -25 -31 -19 >25  

10. Table of declines >25% for BBS Northern Ireland 2007-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Greenfinch 10 50 -84 -88 -81 >50  
Linnet 10 44 -51 -65 -33 >50  
Lesser Redpoll 10 37 -51 -63 -34 >50  
Goldcrest 10 58 -34 -51 -9 >25  
Swallow 10 102 -31 -40 -22 >25  

11. Table of declines >25% for BBS UK 2012-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Crossbill 5 71 -49 -63 -36 >25  
Greenfinch 5 1969 -46 -48 -44 >25  
Wheatear 5 479 -33 -39 -27 >25  
Swift 5 1144 -29 -34 -22 >25  

12. Table of declines >25% for BBS England 2012-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Turtle Dove 5 37 -50 -66 -33 >25  
Greenfinch 5 1676 -44 -47 -42 >25  
Wheatear 5 270 -39 -46 -31 >25  
Nightingale 5 39 -38 -52 -24 >25  
Swift 5 982 -29 -36 -22 >25  
Swallow 5 2041 -26 -29 -23 >25  

13. Table of declines >25% for BBS Scotland 2012-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Greenfinch 5 112 -49 -58 -40 >25  
Wheatear 5 108 -30 -40 -17 >25  

14. Table of declines >25% for BBS Wales 2012-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Greenfinch 5 120 -58 -63 -51 >50  
Swift 5 75 -48 -61 -31 >25  
Rook 5 95 -48 -60 -30 >25  
Wheatear 5 81 -35 -46 -23 >25  
Chaffinch 5 275 -27 -31 -22 >25  

15. Table of declines >25% for BBS Northern Ireland 2012-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Greenfinch 5 39 -66 -73 -58 >50  
Lesser Redpoll 5 30 -43 -57 -30 >25  
Linnet 5 38 -28 -43 -9 >25  

16. Table of population increases for BBS UK 1995-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Jackdaw 22 1935 55 44 66    
Canada Goose 22 547 76 47 117    
Stonechat 22 170 87 45 135    
Buzzard 22 1177 96 81 117    
Nuthatch 22 576 96 77 126    
Tree Sparrow 22 202 113 63 169    
Chiffchaff 22 1749 115 103 125    
Great Spotted Woodpecker 22 1214 130 116 147    
Goldfinch 22 1880 146 133 160    
Blackcap 22 1823 149 136 164    
Greylag Goose 22 263 178 41 461    
Gadwall 22 46 213 77 452    
Barn Owl 22 52 289 175 502    
Mandarin 22 35 425 196 964    
Red Kite 22 169 1624 921 3141    
Ring-necked Parakeet 22 87 1710 848 6246    
Little Egret 22 54 2316 916 158735    

17. Table of population increases for BBS England 1995-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Canada Goose 22 503 58 31 91    
Tree Sparrow 22 156 62 25 104    
Jackdaw 22 1556 69 57 82    
Stonechat 22 73 86 25 178    
Great Spotted Woodpecker 22 1053 102 88 115    
Nuthatch 22 491 103 86 127    
Chiffchaff 22 1464 116 103 130    
Blackcap 22 1544 121 110 133    
Goldfinch 22 1546 142 126 158    
Gadwall 22 43 182 63 414    
Buzzard 22 819 213 170 255    
Barn Owl 22 50 286 168 502    
Greylag Goose 22 218 322 180 603    
Ring-necked Parakeet 22 87 1711 789 6153    
Little Egret 22 50 2153 872 55478    
Red Kite 22 127 19069 12032 99207    

18. Table of population increases for BBS Scotland 1995-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Long-tailed Tit 22 35 54 8 137    
Magpie 22 62 55 17 126    
Lesser Redpoll 22 55 60 13 136    
Stonechat 22 41 61 13 141    
Wren 22 257 62 45 81    
Reed Bunting 22 70 67 28 115    
Tree Pipit 22 38 72 33 125    
Whitethroat 22 96 111 36 192    
House Martin 22 80 120 53 185    
Goldfinch 22 118 219 153 324    
Great Spotted Woodpecker 22 64 417 288 614    
Blackcap 22 80 451 319 740    
Chiffchaff 22 73 780 514 1325    

19. Table of population increases for BBS Wales 1995-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Pheasant 22 107 55 13 107    
Chiffchaff 22 161 69 45 96    
House Sparrow 22 141 82 52 126    
Goldfinch 22 148 93 57 134    
Blackcap 22 144 153 110 206    
Stonechat 22 44 173 90 324    
Great Spotted Woodpecker 22 94 201 138 282    

20. Table of population increases for BBS Northern Ireland 1995-2017


Species Period
(yrs)
Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
Song Thrush 22 82 64 25 100    
Dunnock 22 74 68 21 137    
Jackdaw 22 81 74 42 132    
Wren 22 97 77 38 118    
House Martin 22 48 98 27 226    
Woodpigeon 22 90 100 64 155    
Pheasant 22 45 105 22 290    
Collared Dove 22 37 110 49 341    
Great Tit 22 78 126 88 180    
Hooded Crow 22 86 166 106 232    
Goldfinch 22 55 455 272 1107    
Buzzard 22 36 1302 656 2815    
Blackcap 22 46 1468 1066 2297    

 

This report should be cited as: Woodward, I.D., Massimino, D., Hammond, M.J., Harris, S.J., Leech, D.I., Noble, D.G., Walker, R.H., Barimore, C., Dadam, D., Eglington, S.M., Marchant, J.H., Sullivan, M.J.P., Baillie, S.R. & Robinson, R.A. (2019) BirdTrends 2019: trends in numbers, breeding success and survival for UK breeding birds. BTO Research Report 722. BTO, Thetford. www.bto.org/birdtrends