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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Why no eggs? (1 Viewer)


I have a bird box with camera that is being used by coal tits this year.
The pair have made the nest and the female spends her nights inside the nest for over a week now, but there are still no eggs being laid.
In the past, I would start seeing eggs after a couple of days after the female began spending nights inside, but I am worried that there are still no eggs being laid and wondering if they might be too immature to try a family this year even though they have built the nest.
The birds in previous years were blue tits so I don’t know it this is normal for coal tits.
any ideas why there are still no eggs being laid after so many days?
Thanks for any advice.
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