About Surveys

The BTO has considerable expertise in the design, implementation and analysis of a range of projects from intensive studies to extensive surveys. It runs a number of national, annual surveys through its volunteer network to monitor the status of many of our bird species across a range of habitats. Thus, the BTO possesses an unrivalled historical database of bird populations and distributions for the UK. Surveys are organised and the results analysed by a team of professional scientists based at the Trust's headquarters in Thetford. This unique partnership between volunteers and professional staff makes our work extremely cost-effective for our funding agencies.

This page provides links to more information about these surveys. Please click on a link below to find out about a particular survey, then click on the 'Return to Surveys Home' link at the bottom of each page to return here.

Download BTO Species List with 2- and 5- letter codes here
Not currently available as being updated

How to read and write down grid references

Health & safety information for volunteer fieldworkers

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