Data services

We have information on:

Biology of British birds -- Birdfacts

How the numbers and breeding performance of birds have changed over the last 50
years -- Wider Countryside Report birdtrends

What birds can be found in your local area -- Birdtrack location site

Data from our surveys -- Availability of Data

Detailed information about our Surveys -- Survey Details pages

List of Surveys carried out -- list of survey pdfs

You can:

Search for BTO survey information about a species -- Surveys metadata

Search for BTO survey information about an area -- Surveys metadata

Request data -- Data Requests System
 

The BTO's Data Policy                                                                The BTO statement on Data Quality

The BTO has a comprehensive library in Thetford containing many books, journals, local bird reports, ringing reports and grey literature