Variation in helper effort among cooperatively breeding bird species is consistent with Hamilton’s Rule

Non-parental helpers contribute to offspring care in many species; however, the amount of care provided varies considerably across species. Here, Green et al. perform a phylogenetic comparative analysis of helping behavior in 36 cooperatively-breeding bird species and find that helper effort increas...

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Autores principales: Jonathan P. Green, Robert P. Freckleton, Ben J. Hatchwell
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2016
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Acceso en línea:https://doaj.org/article/0a619909f39643f8bdf776aa24e6c7f2
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Sumario:Non-parental helpers contribute to offspring care in many species; however, the amount of care provided varies considerably across species. Here, Green et al. perform a phylogenetic comparative analysis of helping behavior in 36 cooperatively-breeding bird species and find that helper effort increases with relatedness to the recipient of care.