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Maternal investment tactics in superb fairy-wrens

Russell, A.F.; Langmore, Naomi; Gardner, Janet; Kilner, Rebecca


In cooperatively breeding species, parents often use helper contributions to offspring care to cut their own costs of investment (i.e. load-lightening). Understanding the process of load-lightening is essential to understanding both the rules governing parental investment and the adaptive value of helping behaviour, but little experimental work has been conducted. Here we report the results of field experiments to determine maternal provisioning rules in cooperatively breeding superb...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: Proceedings of the Royal Society of London Series B: Biological Sciences
DOI: 10.1098/rspb.2007.0821


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