BBS header logos
BBS Menu bar BTO Website menu item Research_Conservation menu item Latest trends menu item latest results menu item Taking part menu item

Population changes for species in Yorkshire and the Humber

The figures presented are the percentage changes in population levels in Yorkshire and the Humber 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 menu on the right to select a particular species group.


Species Sample Change 06-07 Sig Change 94-07 Sig lcl ucl
Mallard 72 -30   8   -18 43
Red-legged Partridge 38 17   74 * 15 164
Pheasant 98 -4   79 * 48 116
Kestrel 43 -36   -51 * -67 -27
Moorhen 34 -7   69 * 11 156
Lapwing 78 22   102 * 58 159
Curlew 73 -5   -31 * -42 -19
Feral Pigeon 50 -12   -17   -40 15
Stock Dove 38 -29   54 * 1 136
Woodpigeon 121 24   86 * 58 119
Collared Dove 62 -19   -13   -31 10
Cuckoo 39 8   -46 * -65 -17
Swift 66 -35   -40 * -56 -20
Skylark 104 16   39 * 20 62
Swallow 113 -5   58 * 29 93
House Martin 53 -18   10   -18 47
Meadow Pipit 70 7   -41 * -47 -34
Pied Wagtail 78 45   9   -15 39
Wren 123 20   91 * 68 118
Dunnock 95 9   17   -2 40
Robin 106 7   90 * 62 124
Blackbird 120 10   69 * 51 89
Song Thrush 79 -13   23   -4 58
Mistle Thrush 64 46   -21   -41 5
Blackcap 57 -9   87 * 43 143
Whitethroat 59 -15   -4   -25 24
Chiffchaff 40 35   80 * 23 162
Willow Warbler 87 21   3   -12 20
Long-tailed Tit 33 -60   3   -37 69
Blue Tit 110 -5   43 * 22 68
Great Tit 93 54   200 * 140 276
Magpie 77 23   -5   -25 20
Jackdaw 82 54   225 * 150 323
Rook 81 8   -44 * -59 -24
Carrion Crow 125 3   158 * 122 201
Starling 100 37   -30 * -45 -11
House Sparrow 76 12   -6   -22 13
Chaffinch 121 -3   50 * 34 68
Greenfinch 84 -17   57 * 22 103
Goldfinch 76 48   108 * 55 181
Linnet 75 -11   -25 * -42 -2
Yellowhammer 67 -3   -10   -26 8

To go directly to the Breeding Bird Survey homepage, click here
Any problems with this page e-mail:

BTO blue divider
BirdWeb logo, click to go to BirdWeb

BTO Home | JNCC Home | RSPB Home
The Breeding Bird Survey (BBS) monitors terrestrial birds throughout the UK to
provide information that underpins the conservation of species and habitats.
The BBS is organised by the BTO on behalf of BTO, JNCC and RSPB
Email: bbs@bto.org
Last updated 18 July, 2008

BTO, The Nunnery, Thetford, Norfolk IP24 2PU, UK. Registered Charity Number 216652.
Terms and Conditions | Privacy Statement          © British Trust for Ornithology