This page presents the current statistics on the BOS Monthly Records database. Note that since 2011 the database includes non-member records submitted via the BTO BirdTrack system. The charts show the summary for all records received, except where specifically noted.

Our electronic records start from 1982 and we have currently have over 375,000 records (up to end 2019). The following charts present the annual status of the records, showing:

  • The number of records submitted by BOS members and from other sources (total). Note that duplicate sightings are omitted, i.e. the same bird seen at the same site on the same day.
  • The total number of species recorded each year. Statistics for the years prior to 1982 come from the Annual Reports. The dashed line is the trend. The dip for 1982-83 is in part due to the switch to the electronic recording system.
  • The number of grid squares records come from. Note that the BOS surveys 1200km2, so the charts show that recording comes from over 50% of the BOS area, a remarkably good rate of coverage
  • The number of named sites. Site names have been standardised since 2016 which allows us to better assess the number of sites visited.

 

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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