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Zebra finches laid eggs

One pair of my Zebra finches Laid 4 eggs,
She laid 2 each day and gave 2 days gap and again laid 2 eggs. She’s giving heat to them after every 4-5 mins during the day time. But my male finch stays outside the next box outside during the night. Only the female stays inside. Is this normal? Or should both of them stay inside and give heat to the eggs?

Hi,

It’s normal for the male to sit on top of the nest to guard the female and eggs. But one of the birds has to sit on the eggs all of the time, other than to take a short break. If they stay off the eggs for too long and let them cool off, they will not develop.

Thank you for asking Lafeber,

Brenda