Tests of the kin selection model of mate choice and inbreeding avoidance in satin bowerbirds

Sheila M. Reynolds, J. Albert Uy, Gail L. Patricelli, Seth W. Coleman, Michael J. Braun, Gerald Borgia

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

In typically outbreeding species, females can avoid a reduction in offspring fitness by choosing unrelated sires. However, the kin selection model of mate choice suggests that it may be adaptive to mate with relatives to gain inclusive fitness benefits, especially in lekking species. Several studies have shown that females tend to mate with relatives, but the detailed behavioral data necessary to determine whether this reflects an active preference is difficult to acquire. We test the hypotheses that females actively preferred or avoided relatives in mate choice in satin bowerbirds (Ptilonorhynchus violaceus), a lekking species in which comprehensive observations of natural mate choice were obtained using automated video cameras positioned at bowers. We identified specific males that were sampled by individual females and assessed whether relatedness influenced their acceptance or rejection as mates. We found no consistent effect of relatedness on mate choice across years or among multiple stages of mate choice. In 2 of 6 years, females copulated with relatives at or above the half-sibling level significantly more often than expected, but this was attributed to females searching for mates in areas populated by relatives, and not to an active preference for relatives. Furthermore, we found no evidence for inbreeding avoidance through mate choice discrimination or sex-biased dispersal.

Original languageEnglish
Pages (from-to)1005-1014
Number of pages10
JournalBehavioral Ecology
Volume25
Issue number4
DOIs
StatePublished - Jan 1 2014

Fingerprint

inbreeding avoidance
kin selection
mate choice
mating behavior
inbreeding
testing
relatedness
inclusive fitness
outbreeding
video cameras
sires
test
fitness
gender

Keywords

  • bowerbirds
  • inbreeding avoidance
  • kin selection
  • leks
  • mate choice
  • outbreeding
  • relatedness
  • sexual selection

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Ecology, Evolution, Behavior and Systematics

Cite this

Reynolds, S. M., Uy, J. A., Patricelli, G. L., Coleman, S. W., Braun, M. J., & Borgia, G. (2014). Tests of the kin selection model of mate choice and inbreeding avoidance in satin bowerbirds. Behavioral Ecology, 25(4), 1005-1014. https://doi.org/10.1093/beheco/aru065

Tests of the kin selection model of mate choice and inbreeding avoidance in satin bowerbirds. / Reynolds, Sheila M.; Uy, J. Albert; Patricelli, Gail L.; Coleman, Seth W.; Braun, Michael J.; Borgia, Gerald.

In: Behavioral Ecology, Vol. 25, No. 4, 01.01.2014, p. 1005-1014.

Research output: Contribution to journalArticle

Reynolds, SM, Uy, JA, Patricelli, GL, Coleman, SW, Braun, MJ & Borgia, G 2014, 'Tests of the kin selection model of mate choice and inbreeding avoidance in satin bowerbirds', Behavioral Ecology, vol. 25, no. 4, pp. 1005-1014. https://doi.org/10.1093/beheco/aru065
Reynolds, Sheila M. ; Uy, J. Albert ; Patricelli, Gail L. ; Coleman, Seth W. ; Braun, Michael J. ; Borgia, Gerald. / Tests of the kin selection model of mate choice and inbreeding avoidance in satin bowerbirds. In: Behavioral Ecology. 2014 ; Vol. 25, No. 4. pp. 1005-1014.
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