Female choice selects for male sexual tail ornaments in the monogamous swallow

@article{Mller1988FemaleCS,
  title={Female choice selects for male sexual tail ornaments in the monogamous swallow},
  author={Anders Pape M{\o}ller},
  journal={Nature},
  year={1988},
  volume={332},
  pages={640-642}
}
Male secondary sexual ornaments are widespread among polygynous animals1 where they apparently arise through female choice and differential mating success of males2–5. Darwin1 and Fisher2 suggested that female choice should also select for extravagant male ornaments in monogamous birds because female preference for ornamented males should result in earlier breeding which would increase male reproductive success by enhancing the quality and/or the quantity of offspring raised each year. In such… 

FEMALE REPRODUCTIVE EFFORT DEPENDS ON THE DEGREE OF ORNAMENTATION OF THEIR MATES

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It is reported for the first time in a field study that females of the monogamous barn swallow Hirundo rustica adjust their reproductive effort to the attractiveness of their mates, and has important implications for the theory of sexual selection and for the possibility of testing current models of female mate preferences.

Preferred males acquire mates of higher phenotypic quality

  • A. Møller
  • Biology
    Proceedings of the Royal Society of London. Series B: Biological Sciences
  • 1991
TLDR
Observations using males with naturally varying and experimentally manipulated tails show that females mated to long-tailed males were heavier, bred earlier, produced more offspring per season and were much more likely to survive to the next breeding season that were females mating to short-tailed male swallows, the first demonstration that preferred males actually obtain mates of high phenotypic quality.

Female swallow preference for symmetrical male sexual ornaments

TLDR
Male swallows with elongated, symmetric tails mated earlier, and enjoyed larger annual reproductive success than did males with shortened tails and increased asymmetry, which suggests that females in their mate choice use ornament asymmetry and size as reliable indicators of male quality.

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TLDR
This study reports active female choice on sexual display that indicates male viability in spiders, and suggests that by actively choosing mates according to male drumming performance, but independently of male body mass, females are preferring viable males as mates.

Female choice and the evolution of the conspicuous plumage coloration of monogamous male great tits

  • K. Norris
  • Biology
    Behavioral Ecology and Sociobiology
  • 2004
TLDR
The results suggest that female great tits are choosing the characteristics of the male rather than the quality of his territory, and suggests that female choice may be important in the evolution of male secondary sexual characteristics in great tits.

THE DARWIN‐FISHER THEORY OF SEXUAL SELECTION IN MONOGAMOUS BIRDS

TLDR
Results show that conspicuous male traits that decrease survival can evolve but suggest that the extent of maladaptive evolution is greatly limited relative to what is possible in a polygynous mating system for two reasons.

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TLDR
To see if extra-pair copulations contribute to variance in male reproductive success in the house finch, DNA fingerprinting was used to determine the paternity of chicks from 35 nests and found that cuckoldry occurred randomly with respect to the plumage colouration, size, or age of the attending male.

Mutual sexual selection in a monogamous seabird

TLDR
The results of a study of mate preferences of the crested auklet Aethla cristatella, a monogamous seabird in which both sexes are ornamented, confirm the idea that ornaments expressed in both sexes could be favoured by mutual mating preferences.

Male courtship song frequency as an indicator of male genetic quality in an insect species, Drosophila montana

TLDR
It is demonstrated here that the females get indirect benefits from their choice: in this species the frequency of the male song correlated with the survival rate of themale's progeny from egg to adulthood, but not with the fecundity of his mating partner, suggesting that fluctuating asymmetry in male wings does not play a major role in sexual signalling.
...

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