The BOS has published annual reports since 1966. Each report summarises the activities of the society over the year and a review of the bird sightings.

A status update is provided for each of the reserves the society owns and manages. A detailed report on the ringing undertaken is provided along with results. Fieldwork activities, including a our summer and winter surveys, is summarised. A major part of the report is the Systematic List, which is an annual review of the sightings and status for each of the bird species on the list.

Each member of the BOS is supplied a printed copy of the Annual Report as part of their membership fee. Copies of the report are distributed to the county bird clubs and national ornithological organisations.

Digital copies of older reports are available for reading from the list presented below. Note that the reports from 1989-2002 have the membership list omitted since those reports also included the addresses of members.

Content may be reproduced in part as long as it is suitably credited to the society and, where relevant, the author of the material.

A combined list of contents has been compiled to make it easier to locate specific material: Contents of BOS Annual Reports.

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 ...

My Birding Patch - Alnmouth - the Northumberland coast in microcosm with Tom Cadwallender 

Having moved to the Alnmouth area in 1989 Tom has walked his patch for over 30 years.  During this talk we will look at the familiar, the scarce and sometimes the rare species of birds through the lens of diverse habitats and the seasons. Then a brief excursion to Coquet Island where we will look at some of the breeding seabirds including the Roseate Tern, a species which Tom has been studying and helping to conserve since 1991.  One thing is for sure the wonderful landscape and seascape of the Alnmouth area will feature quite heavily in this presentation. Read more ...

Depending upon Covid-19 restrictions nearer the time this year's count may have to be posponed until restrictions have been lifted.  Please note further guidance will appear here and in the Newsletters nearer the time.

The Long Day Count is carried out by teams of observers in each of the twelve 10km squares recording the number of bird species seen during a maximum of 12 daylight hours on the second Sunday in May each year. Read more ...

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