In addition to the monthly meetings, members receive a newsletter each month, a copy of the Annual Report, have access to the BOS reserves and can participate in the various surveys undertaken by the Society.

You can join at any time of year. The fees listed below are the full annual rate. If you join part way through the year then a pro-rata fee will apply.

Adult £23.00
Joint £35.00
Junior £9.00
Senior Citizen £14.50
Joint Senior Citizen £21.00
Family £35.00
Unwaged £9.00
Corporate £35.00

To join, please contact the New Members Officer, Helen Raine by email, or come along to one of our monthly meetings and speak to one of the committee members.

Bearded Tit at Bicester Wetland © Derek Hales Tree Sparrow at Balscote © Richard Dunn Song Thrush © Nick Truby Teal © Trevor Easterbrook

This report by the BOS reviews the population trends of Farmland and Woodland species in south central England compared to the whole of England for the 40 year period 1977 to 2016.  Read more ...

Bird Trends and Conservation needs - Mike Curnow and Mike Pollard

Mike Curnow has been working to produce a report on the bird trends in the BOS area compared to national trends.  Read more ...

A survey where observers are each given a randomly selected 1km square and record all species and numbers of each for a minimum period of 2 hours between 9am and noon. Read more ...

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