PMID: 8962106Dec 10, 1996Paper

The evolution of begging: signaling and sibling competition

Proceedings of the National Academy of Sciences of the United States of America
M A Rodríguez-GironésA Kacelnik

Abstract

In many species, young solicit food from their parents, which respond by feeding them. Because of the difference in genetic make-up between parents and their offspring and the consequent conflict, this interaction is often studied as a paradigm for the evolution of communication. Existent theoretical models demonstrate that chick signaling and parent responding can be stable if solicitation is a costly signal. The marginal cost of producing stronger signals allows the system to converge to an equilibrium: young beg with intensity that reflects their need, and parents use this information to maximize their own inclusive fitness. However, we show that there is another equilibrium where chicks do not beg and parents' provisioning effort is optimal with respect to the statistically probable distribution of chicks' states. Expected fitness for parents and offspring at the nonsignaling equilibrium is higher than at the signaling equilibrium. Because nonsignaling is stable and it is likely to be the ancestral condition, we would like to know how natural systems evolved from nonsignaling to signaling. We suggest that begging may have evolved through direct sibling fighting before the establishment of a parental response, that is, that ...Continue Reading

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Citations

Oct 4, 2006·Proceedings. Biological Sciences·Camilla A Hinde, Rebecca M Kilner
Jul 26, 2007·Proceedings. Biological Sciences·Uri Grodzinski, Arnon Lotem
May 13, 2011·Proceedings. Biological Sciences·Uri Grodzinski, Rufus A Johnstone
Jul 19, 2012·PloS One·Gregorio Moreno-RuedaJesús M Zúñiga
Nov 12, 2013·Theoretical Population Biology·Arnon Lotem, Inbar Biran-Yoeli
Oct 27, 1999·Proceedings of the National Academy of Sciences of the United States of America·R A Johnstone
Sep 27, 2001·Proceedings of the National Academy of Sciences of the United States of America·R M Kilner
Jun 6, 1998·Proceedings of the National Academy of Sciences of the United States of America·C T Bergstrom, M Lachmann
May 16, 1998·Proceedings of the National Academy of Sciences of the United States of America·M A Rodríguez-GironésP A Cotton
Mar 10, 2009·Theoretical Population Biology·Steven Hamblin, Peter L Hurd
Aug 17, 2014·Journal of Theoretical Biology·Kris De JaegherUtz Weitzel
Feb 13, 2009·Evolution; International Journal of Organic Evolution·Roi Dor, Arnon Lotem
Mar 31, 2016·Nature Communications·Shana M CaroStuart A West
Dec 16, 1998·Animal Behaviour·D W Mock, G A Parker
Nov 9, 2016·Proceedings of the National Academy of Sciences of the United States of America·Shana M CaroAshleigh S Griffin
Sep 11, 2003·Proceedings. Biological Sciences·Per T SmisethAllen J Moore
Mar 29, 2000·Proceedings. Biological Sciences·A RoulinH Richner
Jan 22, 2000·Proceedings. Biological Sciences·M A Rodríguez-Gironés
Jul 6, 2019·Evolution; International Journal of Organic Evolution·Nathan W Bailey, Mathias Kölliker
Jan 1, 2020·Proceedings of the National Academy of Sciences of the United States of America·Bruce E Lyon, Daizaburo Shizuka
Jun 19, 2021·Neuroscience of Consciousness·Oren KolodnyShimon Edelman

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