Some years ago I bought three of the SCHWEGLER "woodcrete" style nestboxes.
They're pricey initially, but like any good investment they more than pay for themselves over time. They're outside year round and don't need any maintenance beyond clearing out the old nests themselves.
I have one with a general sized hole - 32mm dia. I think it is - which is in a tree. Nuthatches are the usual occupants. The second is a long design ie. it goes back from the hole rather than down, which is buried in a bush (this one is usually full of leaves with mice in it rather than birds). And the last one is intended for sparrows and is sited just under the eaves of the house, but blue tits seem to prefer it.
I made an open fronted box for robins ages ago out of plank offcuts, and sited according to BTO advice. I don't think it's ever been occupied
They're pricey initially, but like any good investment they more than pay for themselves over time. They're outside year round and don't need any maintenance beyond clearing out the old nests themselves.
I have one with a general sized hole - 32mm dia. I think it is - which is in a tree. Nuthatches are the usual occupants. The second is a long design ie. it goes back from the hole rather than down, which is buried in a bush (this one is usually full of leaves with mice in it rather than birds). And the last one is intended for sparrows and is sited just under the eaves of the house, but blue tits seem to prefer it.
I made an open fronted box for robins ages ago out of plank offcuts, and sited according to BTO advice. I don't think it's ever been occupied
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