Nestboxes in buildings are best – if no building is available, an ideal tree for a Barn Owl box is a mature tree with a thick trunk, with a high canopy and few or no low branches.
Choose an isolated tree, in a hedgerow or on a woodland edge. The nestbox needs to be at least 3 metres above ground level, with the entrance hole visible to a passing owl, even when the tree is in full leaf and seen from a distance. There needs to be suitable foraging habitat within a kilometre or 2 – and no major roads.
Barn Owl nestboxes for trees – erecting instructions and free plans.
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