September 2013 – vol. 106, issue 8, pp 482–483 The relationship between the distribution of Barn Owl Tyto alba nest-sites and altitude was analysed in Devon and Cornwall using 30+ years of nest record data. The altitudinal distribution of nest-sites in the region is lower than would be expected by chance. Barn Owl, pic by Chris Batey In Britain, Barn Owls are often described as lowland birds with an upper altitudinal limit to their bree... This article is only available to registered users.To read more, please log in or purchase a subscription.