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

Habitat Improvements at Bicester Wetland Reserve

In January 2019 the BOS received a grant from Thames Water and this enabled us to hire an 8 tonne excavator and driver for 3 full days of work on the reserve. Read more ...

New Zealand  -  Frances and Adrian Buckel

Frances and Adrian will be giving a presentation on their recent visit to New Zealand.  Read more ...

A survey of breeding birds, conducted using 3 visits over 3 months to a random 1km square. Read more ...

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