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Originally Posted by honeybee  "they" say that you shouldn't put nesting material in a bird box / artificial nest. Hang a bit of sheeps wool up or something. My mum had some garden twine on her bench and kept wondering where it was going to til we saw the sparrows picking at it for nests. |
You shouldn't put cotton wool in. You can add a little bit of hay or straw, or even dog hair and sheep hair.