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 (under 18) FREE 
Senior Citizen £16.00
Joint Senior Citizen £23.00
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

Updated 26th March 2020

Due to the current Covid 19 outbreak, the BOS has cancelled the April and May indoor meetings. If the current travel & social distancing restrictions remain in place or increase, we will also have to cancel the outdoor meetings scheduled for June through August. Read more ...

Due to the COVID-19 restrictions this meeting may need to be cancelled. Please check nearer the time to see if this meeting will be going ahead and where it will occur.

Details of the venue will be published here and in the Newsletter nearer the time. Read more ...

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

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