Alexander C. Lees, Andrew Farnsworth, Shannon R. Curley and James J. Gilroy

Abstract
Autumn 2023 saw the biggest single arrival of Nearctic landbirds ever recorded in Britain and Ireland, with around 99 individuals of 27 species. This paper examines the likely causes of this unprecedented event, including the well-timed and ideally attributed transatlantic storm system that likely carried many

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