Hi

For the last 6 years we have had the blue tit nest in our box but this year they have turned away

We have seen both of them going in and out the box a few weeks ago so we're delighted again then one day they didn't come back and have not returned should we have done something
We have not touched the box in 6 years

Please help

Wendy

sorry no-one seems to know the answer to your question.