publication . Article . 2003

Sibling negotiation

Rufus A. Johnstone; Alexandre Roulin;
Open Access
  • Published: 01 Nov 2003 Journal: Behavioral Ecology, volume 14, pages 780-786 (eissn: 1465-7279, Copyright policy)
  • Publisher: Oxford University Press (OUP)
Current discussions of offspring begging typically assume either that it is a signal directed at parents or that it represents a form of scramble competition to gain access to them. However, offspring might also display to inform nest mates that they will contest the next food item to be delivered; in other words, begging (possibly in the absence of parents) might serve purely as a form of negotiation among siblings. Here, we develop a game-theoretical model of this possibility. We assume that offspring vary in their need for food, which influences how intensely they compete for access to parents. Before parental arrival, however, young may exchange signals info...
free text keywords: begging; handicap principle; parent-offspring conflict; sibling competition; sibling negotiation; signaling
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