The BOS contributed to the BTO Bird Atlas 2007-2011 via its ongoing surveys (see Fieldwork) and specific contribution by our members. Our Oxforshire data has been collated along with other regional surveys to produce the Thames and Chiltern Bird Atlas. This atlas presents Abundance and Distribution maps on a finer scale than that of the national BTO atlas.

The BOS conducted a survey of Yellowhammers in the first 2 weeks of July 2018 to determine their population abundance, distribution and breeding status. All members and the general public were invited to participate. Read more ...

The AGM and Quiz.

 

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