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

In March 2020 the BTO launched their Chaffinch Appeal to raise funds to help them research why the UK population of Chaffinch is undergoing a significant decline. Read more ...

Adventures in Peru - Alan Peters

In his illustrated talk Alan will describe a trip taken in November 2019 visiting a range of wonderful habitats from the Pantanos de Villa marshes south of Lima to see Great Grebe, Cinnamon Teal, Black Skimmer and many other species amongst 1000’s of Franklin’s Gulls while squadrons of Peruvian Pelicans patrolled just offshore. Going out in a fishing boat to circle an uninhabited island to get up close and personal with Neotropic, Guanay and Red-legged Cormorants and a small numbers Humboldt Penguins. 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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