The distribution of Barn Owl nest-sites in relation to altitude in southwest England

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.

In Britain, Barn Owls are often described as lowland birds with an upper altitudinal limit to their bree...