Female mate preference to maximize paternal care: A two-step game

Yuko Harada, Yoh Iwasa

Research output: Contribution to journalReview article

15 Citations (Scopus)

Abstract

A game model of female mate choice and paternal care from multiple males is presented to study the evolution of female polygamy, extrapair copulation, and the pattern of paternal care. Females choose their mates (or multiple mates) in a mating season, and in the following breeding season males invest their paternal care (or negative care-harassment), based on the likelihood of their paternity. The results show that the preference of females for monogamy or polyandry depends on how the cost increases with paternal care. The possibility of harassment (e.g., infanticide) by males with low probability of paternity may force the females to engage in extrapair copulation. Mate guarding by a dominant male can evolve to be imperfect because paternity sharing solicits paternal care or reduces harassment by subordinate males. Females should attempt to mate with a subordinate male within the constraints posed by the dominant male's guarding.

Original languageEnglish
Pages (from-to)996-1027
Number of pages32
JournalAmerican Naturalist
Volume147
Issue number6
DOIs
Publication statusPublished - Sep 30 1996

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paternal care
mating behavior
paternity
copulation
breeding season
polygamy
infanticide
monogamy
mate guarding
polyandry
mate choice

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics

Cite this

Female mate preference to maximize paternal care : A two-step game. / Harada, Yuko; Iwasa, Yoh.

In: American Naturalist, Vol. 147, No. 6, 30.09.1996, p. 996-1027.

Research output: Contribution to journalReview article

Harada, Yuko ; Iwasa, Yoh. / Female mate preference to maximize paternal care : A two-step game. In: American Naturalist. 1996 ; Vol. 147, No. 6. pp. 996-1027.
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