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Return of the Blue Tits
We are so happy that the Blue Tits who nested in our bird box last year have returned. So far, there are 7 eggs in the nest!
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 this species, laying typically 10 to 12 eggs. The eggs are laid at such a time that green caterpillars will be abundant when the chicks hatch.
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. After the young hatch, they are fed by both parents.
Keep a close eye on the webcam in the library, as the female might not have finished laying yet as she hasn't settled down to incubate. From start of incubation the eggs will hatch between 12 and 16 days.
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