Siblicide, starvation and nestling growth in the laughing kookaburra
I examined the growth of surviving nestlings in broods of the cooperatively breeding laughing kookaburra Dacelo novaeguineae, which has complex patterns of brood reduction. Laughing kookaburras usually lay three eggs that hatch asynchronously. Brood reduction occurs in nearly half of all broods and always affects the youngest nestling. In most cases, the youngest nestling is killed within a few days of hatching by aggressive attacks from its older siblings. In a smaller proportion of nests, the...[Show more]
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|Source:||Journal of Avian Biology|
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