The safety of nest boxes are very important to us & the birds we build them for. Barn Owl Internal Nest Box with inspection hatch. For Barn Owls, position the nest box withing a open building close to areas of rough grassland, the habitat of rough grassland is important as this is the type of habitat that contains the Barn Owls main prey source, the Short tailed Vole, Field Mice & Shrew.
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