Population trend graphs

Graphs are available for the UK, individual countries and English regions.

It is possible to calculate trends for English regions due to the high level of coverage and therefore, larger sample size for many species. Unfortunately, this is not possible for Scotland, Wales or Northern Ireland at present. The counties contributing to each region are displayed in the table below.

On each graph, the dark green line is the smoothed trend, the blue dots are the unsmoothed trend, and the pale green line is the upper and lower 95% confidence limits of the smoothed trend.

Click any graph to enlarge it.

Click 'view & save image' to open the large graph in a separate window; right-click and choose 'save image as' to download image.

These graphs may be reproduced, subject to the appropriate acknowledgement of the BTO/JNCC/RSPB Breeding Bird Survey.  Spreadsheets containing the data points for each graph may be obtained by submitting a Data Request Form.

Barn Owl - England

Barn Owl BBS trend in England 1994-2017
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Barn Owl - UK

Barn Owl BBS trend in UK 1994-2017
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Blackbird - East England

Blackbird BBS trend in East England 1994-2017
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Blackbird - East Midlands

Blackbird BBS trend in East Midlands 1994-2017
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Blackbird - England

Blackbird BBS trend in England 1994-2017
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Blackbird - London

Blackbird BBS trend in London 1994-2017
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Blackbird - North East England

Blackbird BBS trend in North East 1994-2017
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Blackbird - North West England

Blackbird BBS trend in North West 1994-2017
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Blackbird - Northern Ireland

Blackbird BBS trend in Northern Ireland 1994-2017
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Blackbird - Scotland

Blackbird BBS trend in Scotland 1994-2017
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Blackbird - South East England

Blackbird BBS trend in South East 1994-2017
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Blackbird - South West England

Blackbird BBS trend in South West 1994-2017
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Blackbird - UK

Blackbird BBS trend in UK 1994-2017
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Blackbird - Wales

Blackbird BBS trend in Wales 1994-2017
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Blackbird - West Midlands

Blackbird BBS trend in West Midlands 1994-2017
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Blackbird- Yorkshire and Humber

Blackbird BBS trend in Yorkshire 1994-2017
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Blackcap - East England

Blackcap BBS trend in East England 1994-2017
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Blackcap - East Midlands

Blackcap BBS trend in East Midlands 1994-2017
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Blackcap - England

Blackcap BBS trend in England 1994-2017
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Blackcap - London

Blackcap BBS trend in London 1994-2017
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Blackcap - North East England

Blackcap BBS trend in North East 1994-2017
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Blackcap - North West England

Blackcap BBS trend in North West 1994-2017
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Blackcap - Northern Ireland

Blackcap BBS trend in Northern Ireland 1994-2017

Blackcap - Scotland

Blackcap BBS trend in Scotland 1994-2017
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Blackcap - South East England

Blackcap BBS trend in South East 1994-2017
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Blackcap - South West England

Blackcap BBS trend in South West 1994-2017
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Blackcap - UK

Blackcap BBS trend in UK 1994-2017
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Blackcap - Wales

Blackcap BBS trend in Wales 1994-2017
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Blackcap - West Midlands

Blackcap BBS trend in West Midlands 1994-2017
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Blackcap- Yorkshire and Humber

Blackcap BBS trend in Yorkshire 1994-2017
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Blue Tit - East England

Blue Tit BBS trend in East England 1994-2017
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Blue Tit - East Midlands

Blue Tit BBS trend in East Midlands 1994-2017
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Blue Tit - England

Blue Tit BBS trend in England 1994-2017
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Blue Tit - London

Blue Tit BBS trend in London 1994-2017
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Blue Tit - North East England

Blue Tit BBS trend in North East 1994-2017
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Blue Tit - North West England

Blue Tit BBS trend in North West 1994-2017
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Blue Tit - Northern Ireland

Blue Tit BBS trend in Northern Ireland 1994-2017
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Blue Tit - Scotland

Blue Tit BBS trend in Scotland 1994-2017
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Blue Tit - South East England

Blue Tit BBS trend in South East 1994-2017
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Blue Tit - South West England

Blue Tit BBS trend in South West 1994-2017
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Blue Tit - UK

Blue Tit BBS trend in UK 1994-2017
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Blue Tit - Wales

Blue Tit BBS trend in Wales 1994-2017
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Blue Tit - West Midlands

Blue Tit BBS trend in West Midlands 1994-2017
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Blue Tit- Yorkshire and Humber

Blue Tit BBS trend in Yorkshire 1994-2017
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Bullfinch - East England

Bullfinch BBS trend in East England 1994-2017
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Bullfinch - East Midlands

Bullfinch BBS trend in East Midlands 1994-2017
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Bullfinch - England

Bullfinch BBS trend in England 1994-2017
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Bullfinch - North West England

Bullfinch BBS trend in North West 1994-2017
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Bullfinch - Northern Ireland

Bullfinch BBS trend in Northern Ireland 1994-2017
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Bullfinch - Scotland

Bullfinch BBS trend in Scotland 1994-2017
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Bullfinch - South East England

Bullfinch BBS trend in South East 1994-2017
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Bullfinch - South West England

Bullfinch BBS trend in South West 1994-2017
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Bullfinch - UK

Bullfinch BBS trend in UK 1994-2017
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Bullfinch - Wales

Bullfinch BBS trend in Wales 1994-2017
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Bullfinch - West Midlands

Bullfinch BBS trend in West Midlands 1994-2017
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Buzzard - East England

Buzzard BBS trend in East England 1994-2017
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Buzzard - East Midlands

Buzzard BBS trend in East Midlands 1994-2017
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Buzzard - England

Buzzard BBS trend in England 1994-2017
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Buzzard - North West England

Buzzard BBS trend in North West 1994-2017
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Buzzard - Northern Ireland

Buzzard BBS trend in Northern Ireland 1994-2017
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Buzzard - Scotland

Buzzard BBS trend in Scotland 1994-2017
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Buzzard - South East England

Buzzard BBS trend in South East 1994-2017
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Buzzard - South West England

Buzzard BBS trend in South West 1994-2017
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Buzzard - UK

Buzzard BBS trend in UK 1994-2017
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Buzzard - Wales

Buzzard BBS trend in Wales 1994-2017
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Buzzard - West Midlands

Buzzard BBS trend in West Midlands 1994-2017
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Buzzard- Yorkshire and Humber

Buzzard BBS trend in Yorkshire 1994-2017
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Canada Goose - East England

Canada Goose BBS trend in East England 1994-2017
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Canada Goose - East Midlands

Canada Goose BBS trend in East Midlands 1994-2017
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Canada Goose - England

Canada Goose BBS trend in England 1994-2017
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Canada Goose - North West England

Canada Goose BBS trend in North West 1994-2017
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Canada Goose - South East England

Canada Goose BBS trend in South East 1994-2017
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Canada Goose - South West England

Canada Goose BBS trend in South West 1994-2017
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Canada Goose - UK

Canada Goose BBS trend in UK 1994-2017
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Canada Goose - Wales

Canada Goose BBS trend in Wales 1994-2017
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Canada Goose - West Midlands

Canada Goose BBS trend in West Midlands 1994-2017
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Canada Goose- Yorkshire and Humber

Canada Goose BBS trend in Yorkshire 1994-2017
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Carrion Crow - East England

Carrion Crow BBS trend in East England 1994-2017
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Carrion Crow - East Midlands

Carrion Crow BBS trend in East Midlands 1994-2017
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Carrion Crow - England

Carrion Crow BBS trend in England 1994-2017
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Carrion Crow - London

Carrion Crow BBS trend in London 1994-2017
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Carrion Crow - North East England

Carrion Crow BBS trend in North East 1994-2017
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Carrion Crow - North West England

Carrion Crow BBS trend in North West 1994-2017
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Carrion Crow - Scotland

Carrion Crow BBS trend in Scotland 1994-2017
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Carrion Crow - South East England

Carrion Crow BBS trend in South East 1994-2017
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Carrion Crow - South West England

Carrion Crow BBS trend in South West 1994-2017
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Carrion Crow - UK

Carrion Crow BBS trend in UK 1994-2017
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Carrion Crow - Wales

Carrion Crow BBS trend in Wales 1994-2017
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Carrion Crow - West Midlands

Carrion Crow BBS trend in West Midlands 1994-2017
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Carrion Crow- Yorkshire and Humber

Carrion Crow BBS trend in Yorkshire 1994-2017
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Chaffinch - East England

Chaffinch BBS trend in East England 1994-2017
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Chaffinch - East Midlands

Chaffinch BBS trend in East Midlands 1994-2017
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Chaffinch - England

Chaffinch BBS trend in England 1994-2017
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Chaffinch - London

Chaffinch BBS trend in London 1994-2017
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Chaffinch - North East England

Chaffinch BBS trend in North East 1994-2017
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Chaffinch - North West England

Chaffinch BBS trend in North West 1994-2017
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Chaffinch - Northern Ireland

Chaffinch BBS trend in Northern Ireland 1994-2017
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Chaffinch - Scotland

Chaffinch BBS trend in Scotland 1994-2017
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Chaffinch - South East England

Chaffinch BBS trend in South East 1994-2017
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Chaffinch - South West England

Chaffinch BBS trend in South West 1994-2017
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Pages

Key for English regions

Region Counties
North West England Cheshire, Cumbria, Lancashire, Greater Manchester, Merseyside
North East England Cleveland, County Durham, Northumberland
Yorkshire and Humber East Yorkshire, North Lincolnshire, North Yorkshire, South Yorkshire, West Yorkshire
East Midlands Derbyshire, Northamptonshire, Leicestershire & Rutland, Lincolnshire, Nottinghamshire
East England Bedfordshire, Cambridgeshire, Essex, Hertfordshire, Norfolk, Suffolk
West Midlands Birmingham, Herefordshire, Shropshire, Staffordshire, Warwickshire, Worcestershire
South East England Berkshire, Buckinghamshire, Hampshire, Isle of Wight, Kent, Oxfordshire, Surrey, Sussex 
South West England Avon, Cornwall, Devon, Dorset, Gloucestershire, Somerset, Wiltshire
London Greater London

BBS population tables

Visit the Population trend tables page to view the latest BBS trends for the UK as a whole, England, Scotland, Wales, Northern Ireland and region-specific graphs, produced for nine English Government Office Regions.