Data

Information published on our website

• Facts and Figures on British birds
• Trends in numbers and breeding performance over 50 years
• Which birds can be found near you

BTO survey information

• Detailed Information on BTO Surveys

Search for data

• Find out what Survey Data are available
• Search for BTO survey information on a SPECIES
• Search for BTO survey information about an AREA 
• Request data from BTO

BTO data policies

• BTO's Data Policy
• The BTO statement on Data Quality
• Data on Sensitive Species - BTO statement

BTO Data Reports

BTO Data Reports provide rigorous scientific information to inform fieldwork decisions and desk studies for Ecological Impact Assessment of potential development sites in the UK.

• More about BTO Data Reports and how to buy them >

Requesting survey data

Data are also available from all our surveys, and are frequently used by conservation groups, government agencies, planners, ecologists, industrialists, environmental consultants and scientific researchers. BTO encourages the use of its data.

• Request survey data >

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