The loss of a parent is the most common cause of brood failure in blue tits

The loss of a parent is the most common cause of brood failure in blue tits

The loss of a parent is the most common cause of brood failure in blue tits,

Complete brood failure in blue tits is almost always associated with the sudden and permanent disappearance of one of the parents. Scientists show in their study that the remaining parent substantially increased its effort to raise at least some of the chicks, which turned out to be successful in two thirds of the nests.

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