The BOS newsletters have been compiled into compendiums by decade. This can make it quicker to locate specific articles and reduces the number of files to download. Note that each file is very large and requires a fast internet connection to download. They also require a fast PC/tablet to open and read the files.
Files:
BOS Newsletters 2010-2019 web.pdf (99.38 MB) BOS Newsletters 2000-2009 web.pdf (363.63 MB) BOS Newsletters 1990-1999.pdf (442.03 MB) BOS Newsletters 1980-1989.pdf (242.7 MB) BOS Newsletters 1970-1979.pdf (251.08 MB) BOS Newsletters 1960-1969.pdf (122.32 MB) BOS Newsletters 1956-1959.pdf (27.02 MB)
Status of the Chaffinch in the BOS
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 ...
Winter Random Square Survey: 27 or 28 November 2021
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 ...