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Offspring provisioning and nest defence are important forms of parental care. In birds, parents that engage in nest defence behaviour have to interrupt nestling provisioning with potentially harmful consequences for offspring growth and condition. To maximize fitness, parents should trade off optimal levels of offspring provisioning versus nest defence, but relatively little is known about how parents...
Recent research suggests that individuals across a variety of taxa express consistent behavioural differences, or personality, which may affect reproductive success. Most previous studies of avian systems investigated the effects of individual personality on offspring recruitment and other fitness correlates, even in species with biparental care. Here we tested the potential for behavioural similarity...
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