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.

The BOS has produced a report which uses their survey data to determine the local status of Chaffinch and to compare it with the national situation using BTO data.

You view/download the report using this link: Status of the Chaffinch in the BOS Area.

Short Eared Owls - John Calladine, Senior Research Ecologist with the  BTO

Unusual amongst predatory birds, the numbers of breeding Short-eared Owls have declined markedly over recent decades.  The talk will describe recent attempts to better understand what has arguably been one of the least understood birds in Britain and explore how that information could be used to secure their future. Read more ...

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 ...

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