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.

Aims:

  • to gather detailed information on winter species so that, over time, we have a measure of birds across the whole area of the BOS;
  • to provide data used to identify trends in both abundance and distribution of winter species.

The results of this survey are combined with those of the following February WRSS to obtain a winter total. This survey began in 1975 and is one of the longest running in the country.

To participate in the survey, please contact the BOS Bird Recorder: Contacts

For further details see Winter Random Square Survey

The BOS is conducting 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 are invited to participate. Read more ...

Silent Spring revisited  -  Conor Jameson

Conor last visited the BOS in May 2016 to talk about his book Looking for the Goshawk. This time Conor will talk about what inspired him to write his new book, and what he discovered when he looked into Rachel Carson's impact at the time of her era-defining book, and whether her warnings have been adequately heeded, acted upon, and remembered. Read more ...

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