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Marlow Church of England Infant School

Bird Box

This is a live feed from our Bird Box in school. We have a pair of blue tits nesting in the bird box, they laid 7 eggs and 4 have hatched and are growing fast!

Blue Tits will nest in any hole in a tree, wall or nest box. They are well known for nesting in more unusual places, such as letter boxes, pipes, etc. The nest is a cup made by the female from moss, wool, dead leaves, spiders' webs, and lined with down. 

Their clutch size is the largest among nidicolous species (that is animals that stay at their birthplace for a long time because they depend on their parents), laying typically 10 to 12 eggs. The blue tit lays one egg each day and will begin incubating them once the penultimate egg is laid. 

The eggs are smooth and glossy, and white with purplish-red or reddish-brown spots. They are about 16 mm by 12 mm. The female incubates the eggs by herself for around 15-16 days. After the young hatch, they are fed by both parents.


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