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Blue tit incubation period

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Parus caeruleus Linnaeus , The Eurasian blue tit Cyanistes caeruleus [2] is a small passerine bird in the tit family, Paridae. It is easily recognisable by its blue and yellow plumage and small size. Eurasian blue tits, usually resident and non-migratory birds, are widespread and a common resident breeder throughout temperate and subarctic Europe and western Asia in deciduous or mixed woodlands with a high proportion of oak.
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Blue Tit incubation period

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blue tit egg incubation - BirdForum

Hormonal changes accompany the onset of incubation, with levels of prolactin in the bloodstream increasing and levels of testosterone falling. The ideal temperature for most species to incubate their eggs is c. To enable efficient heat transfer, feathers on the breast and belly are lost — either by dropping or by being pulled out. These feathers can then be used to line the nest.
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Eurasian blue tit

Hazel McCambridge. With eggs to incubate and young chicks getting bigger by the day, the demand for food is constant. Blue Tits start searching for a safe, warm site to start building their nest. The location is important as they require a clear flight path to the nest's entrance hole and the site must be relatively inaccessible to predators.
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