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Population changes for species in London

The figures presented are the percentage changes in population levels in London for the respective time periods, marked with an asterisk where significant. For 1994-2007 period, the lower and upper 95% confidence limits are given. Those species which are red-listed and amber-listed in Population Status of Birds in the UK have been highlighted in the appropriate colour.

To view and compare graphs of the species in the table below, click on the link on the right.
All species

Species Sample Change 06-07 Sig Change 94-07 Sig lcl ucl
Mallard 35 -13   -13   -36 18
Feral Pigeon 59 6   -11   -27 8
Woodpigeon 66 4   93 * 59 134
Collared Dove 43 -8   57 * 22 103
Swift 51 -11   -26   -50 10
Wren 60 9   36 * 14 61
Dunnock 48 -4   20   -8 56
Robin 62 2   74 * 45 110
Blackbird 66 -8   -26 * -35 -17
Song Thrush 42 -15   -21   -42 8
Blackcap 31 -17   55 * 7 124
Blue Tit 65 -9   45 * 21 74
Great Tit 59 -9   130 * 81 194
Jay 32 5   10   -27 66
Magpie 64 11   48 * 24 76
Carrion Crow 66 0   73 * 38 118
Starling 65 -4   -34 * -45 -20
House Sparrow 59 -9   -68 * -74 -62
Chaffinch 39 -9   125 * 67 205
Greenfinch 49 1   139 * 79 218
Goldfinch 31 36   96 * 28 201

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The Breeding Bird Survey (BBS) monitors terrestrial birds throughout the UK to
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Last updated 18 July, 2008

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