By John Last and Malcolm Burgess Abstract Our understanding of the reasons for the serious decline of the Willow Tit in Britain is constrained by an incomplete knowledge of the species' ecology and demography, which is partly due to the difficulty of persuading Willow Tits to use nestboxes. This paper documents a study in Wiltshire in which Willow Tits have bred in nestboxes since 2006. The nestbox

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