1. Many species of altricial birds hatch their young asynchronously within broods. Although there are many potential benefits to parents, hatching asynchrony reduces the growth and often the survival of last-hatched nestlings. The consequences of hatching asynchrony on the growth, size at fledging and survival of male and female nestlings of an Australian parrot, the crimson rosella (Platycercus elegans) were examined. 2. Crimson rosella broods hatched over 1.5-7 days, creating mass hierarchies...[Show more]
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