Helping Effort Increases with Relatedness in Bell Miners, but 'Unrelated' Helpers of Both Sexes Still Provide Substantial Care

Indirect fitness benefits from kin selection can explain why non-breeding individuals help raise the young of relatives. However, the evolution of helping by non-relatives requires direct fitness benefits, for example via group augmentation. Here, we examine nest visit rates, load sizes and prey typ...

Ausführliche Beschreibung

Bibliographische Detailangaben
Veröffentlicht in:Proceedings: Biological Sciences. - The Royal Society. - 277(2010), 1680, Seite 437-445
1. Verfasser: Wright, Jonathan (VerfasserIn)
Weitere Verfasser: McDonald, Paul G., te Marvelde, Luc, Kazem, Anahita J. N., Bishop, Charles M.
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Proceedings: Biological Sciences
Schlagworte:helping-at-the-nest kinship nest visit rate load size brood demand natal philopatry Biological sciences Business Behavioral sciences