Kingma, Sjouke A.; Hall, Michelle; Peters, Anne-Marie
Several hypotheses exist to explain the seemingly altruistic helping behavior of cooperative breeders, although the general utility of these hypotheses remains unclear. While the potential importance of inclusive fitness benefits (kin selection) is traditionally widely appreciated, it is increasingly recognized that direct benefits may be more important than assumed. We use an integrative twostep framework to assess support for current hypotheses in purplecrowned fairy wrens, a species where...[Show more]
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