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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 
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BTO data policies

  • The BTO's Data Policy
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  • The difference we make
  • How you can help
  • Our science
  • Understanding birds
  • Develop your skills
  • The difference we make
  • How you can help
  • Our science
  • Understanding birds
  • Develop your skills