Being the Winner Is Being the Loser When Playing a Parental Tug-of-War – A New Framework on Stability of Biparental Care

Because there are basic sexual differences in reproductive potential, and the cost of parental care is assumed to be high, biparental care is viewed as a constant tug-of-war between the partners. This raises the question of the system’s evolutionary stability. Several models have been proposed to re...

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Autor principal:	Katarzyna Wojczulanis-Jakubas
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	environment parental care parental compensation parental desertion theoretical model Evolution QH359-425 Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/a59fc26f24af4011940251ed4fa26293
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spelling	oai:doaj.org-article:a59fc26f24af4011940251ed4fa262932021-11-11T13:19:07ZBeing the Winner Is Being the Loser When Playing a Parental Tug-of-War – A New Framework on Stability of Biparental Care2296-701X10.3389/fevo.2021.763075https://doaj.org/article/a59fc26f24af4011940251ed4fa262932021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fevo.2021.763075/fullhttps://doaj.org/toc/2296-701XBecause there are basic sexual differences in reproductive potential, and the cost of parental care is assumed to be high, biparental care is viewed as a constant tug-of-war between the partners. This raises the question of the system’s evolutionary stability. Several models have been proposed to resolve this problem but none has received unequivocal support. Here, I propose a framework that not only integrates the earlier theoretical ideas (sealed bids, negotiation) but also considers the importance of the environment (frequently neglected in previous models) and views the cost of parental care from a different perspective (costly in terms of parent’s survival only when performed close to the boundary of parental capacity). The framework suggests that sexual conflict may not be such a significant factor mediating parental care as commonly assumed, and that a parent trying to shift the parental burden onto the partner – assumed to be the winner in the tug-of-war interplay – is actually more likely to be a loser, as doing so may put the success of the current breeding attempt in jeopardy, thereby reducing overall fitness of the parent. Once it is realized that the importance of sexual conflict is actually much less than it seems, it becomes clear that the stability of the biparental care system no longer seems to be such a puzzling issue.Katarzyna Wojczulanis-JakubasFrontiers Media S.A.articleenvironmentparental careparental compensationparental desertiontheoretical modelEvolutionQH359-425EcologyQH540-549.5ENFrontiers in Ecology and Evolution, Vol 9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	environment parental care parental compensation parental desertion theoretical model Evolution QH359-425 Ecology QH540-549.5
spellingShingle	environment parental care parental compensation parental desertion theoretical model Evolution QH359-425 Ecology QH540-549.5 Katarzyna Wojczulanis-Jakubas Being the Winner Is Being the Loser When Playing a Parental Tug-of-War – A New Framework on Stability of Biparental Care
description	Because there are basic sexual differences in reproductive potential, and the cost of parental care is assumed to be high, biparental care is viewed as a constant tug-of-war between the partners. This raises the question of the system’s evolutionary stability. Several models have been proposed to resolve this problem but none has received unequivocal support. Here, I propose a framework that not only integrates the earlier theoretical ideas (sealed bids, negotiation) but also considers the importance of the environment (frequently neglected in previous models) and views the cost of parental care from a different perspective (costly in terms of parent’s survival only when performed close to the boundary of parental capacity). The framework suggests that sexual conflict may not be such a significant factor mediating parental care as commonly assumed, and that a parent trying to shift the parental burden onto the partner – assumed to be the winner in the tug-of-war interplay – is actually more likely to be a loser, as doing so may put the success of the current breeding attempt in jeopardy, thereby reducing overall fitness of the parent. Once it is realized that the importance of sexual conflict is actually much less than it seems, it becomes clear that the stability of the biparental care system no longer seems to be such a puzzling issue.
format	article
author	Katarzyna Wojczulanis-Jakubas
author_facet	Katarzyna Wojczulanis-Jakubas
author_sort	Katarzyna Wojczulanis-Jakubas
title	Being the Winner Is Being the Loser When Playing a Parental Tug-of-War – A New Framework on Stability of Biparental Care
title_short	Being the Winner Is Being the Loser When Playing a Parental Tug-of-War – A New Framework on Stability of Biparental Care
title_full	Being the Winner Is Being the Loser When Playing a Parental Tug-of-War – A New Framework on Stability of Biparental Care
title_fullStr	Being the Winner Is Being the Loser When Playing a Parental Tug-of-War – A New Framework on Stability of Biparental Care
title_full_unstemmed	Being the Winner Is Being the Loser When Playing a Parental Tug-of-War – A New Framework on Stability of Biparental Care
title_sort	being the winner is being the loser when playing a parental tug-of-war – a new framework on stability of biparental care
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/a59fc26f24af4011940251ed4fa26293
work_keys_str_mv	AT katarzynawojczulanisjakubas beingthewinnerisbeingtheloserwhenplayingaparentaltugofwaranewframeworkonstabilityofbiparentalcare
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Being the Winner Is Being the Loser When Playing a Parental Tug-of-War – A New Framework on Stability of Biparental Care

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