The Role of Male Ornaments and Courtship Behavior in Female Mate Choice of Red Jungle Fowl

Zuk, Marlene; Thornhill, Randy; Ligon, J. David; Johnson, Kelly; Austad, Steven N.; Ligon, Sandra H.; Thornhill, Nancy Wilmsen; Costin, Colleen

doi:10.1086/285107

Cited by 223 publications

(126 citation statements)

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“…Comb size, a sexual ornament that is important for female choice in Gallus (Zuk et al, 1990b; this study), was experimentally increased by artificial selection (Table 1). Artificial selection on comb size resulted in negative responses in other sexual traits, i.e.…”

Section: Discussionmentioning

confidence: 99%

“…The female was allowed a closer inspection of the cockerels for an additional 15 mm. Hence, each mate choice trial lasted a total of 30 mm during which the observer noted the numbers of crows and 'tidbittings' (when the male picks at the ground and makes small noises; Zuk et al, 1990b) performed by the males. The females' mating behaviour was scored in three classes; none, affiliating (the female did clearly associate with one of the males) and soliciting (the female crouched on the ground in front of the male; Zuk et a!., 1990b).…”

Section: Trials Of Female Mate Choicementioning

confidence: 99%

“…Assuming that, for example, age, infectious diseases and other extrinsic and intrinsic factors affect the individual's condition it follows that the degree to which an ornament is expressed will vary during the individual's life span. Accordingly, many studies have pointed out that sexual ornaments often are more *Correspondence variable, both for measures of repeatability and coefficients of variation, than other morphological characters (Alatalo et al, 1988;Zuk et a!., 1990b;Wittzell, 1991a) and that the expression of these ornaments in some cases correlates with, for example, parasitic load (Hillgarth, 1990;Milinski & Bakker, 1990;Zuk et al, 1990a;MØller, 1991a) and viability (Göransson et al, 1990;Møller, 1991b;Grahn, 1993).…”

Section: Introductionmentioning

confidence: 99%

“…We also performed a mate choice experiment with a sample of males and females from lines S and C to see if comb size is a character that is of significance for female mate choice in the domestic chicken as is the case for the red jungle fowl (Zuk et a!., 1990b). The domestic chickens in this study have been bred with artificial inseminations without any active female choice during at least 25 generations.…”

Section: Introductionmentioning

confidence: 99%

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Artificial selection for increased comb size and its effects on other sexual characters and viability in Gallus domesticus (the domestic chicken)

et al. 1995

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The expression of secondary ornaments is often positively correlated with the bearer's condition. So far no study has reported on consequences of directional selection on male sexual ornaments in birds, i.e. it is unknown to what extent male sexual traits are genetically correlated and whether selection for secondary ornaments affects viability. In this study we estimate phenotypic and genotypic parameters of three male sexual traits, namely comb size, spur length and testes mass, by using two different lines of domestic chickens (Gallus domesticus). One of the two lines had been artificially selected for large comb size during nine generations whereas the other line was a randomly mated control line. As a result of the selection, male comb size was almost doubled. Data from the selection line indicate that comb size was negatively genetically correlated with testes mass and spur length. The cockerels from the selection line had accordingly lighter testes and shorter spurs than cockerels from the control line. A simple mate choice experiment with females and males from both lines indicated that preferred males had a larger joint expression of comb size and spur length than nonpreferred males. Data from three different selection lines, all with enlarged comb size, clearly reveal a negative effect of comb size on male viability.

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Section: Discussionmentioning

confidence: 99%

Section: Trials Of Female Mate Choicementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Artificial selection for increased comb size and its effects on other sexual characters and viability in Gallus domesticus (the domestic chicken)

et al. 1995

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“…Many studies have shown how female preferences vary as a function of an individual signal parameter (Gerhardt 1978;Ryan 1980;Basolo 1990;Gerhardt and Schul 1999;Gerhardt and Huber 2002 (Appendix 4)), small suites of characters (Murphy and Gerhardt 2000;Gerhardt and Huber 2002 (Appendix 4) ;Rosenthal 2002;Schul and Bush 2002), or entire signal complexes (Ryan and Wagner 1987;Zuk et al 1990;Jang and Greenfield 1998). Some of these studies have measured preference functions for single traits or pairs of traits and show how the strength of preference, which is sometimes translated to a selection gradient, covaries with the stimulus (Ritchie 1996;Wagner 1998;Murphy and Gerhardt 2000;Schul and Bush 2002).…”

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confidence: 99%

Sexual Selection in Female Perceptual Space: How Female Tungara Frogs Perceive and Respond to Complex Population Variation in Acoustic Mating Signals

Ryan

Rand

2003

Evolution

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Abstract. Female preferences for male mating signals are often evaluated on single parameters in isolation or small suites of characters. Most signals, however, are composites of many individual parameters. In this study we quantified multivariate traits in the advertisement call of the tú ngara frog, Physalaemus pustulosus. We represented the calls in multidimensional scaling space and chose nine test calls to represent the range of population variation. We then tested females for phonotactic preference between calls in each pair of the nine test calls. We used statistics developed for paired comparisons in such ''round robin'' competitions to evaluate the null hypothesis of equal attractiveness, and to examine the degree to which females responded to calls as being different from or similar to one another in attractiveness. We then examined the attractiveness of each test call relative to all other test calls as a function of their location in multivariate acoustic space (the acoustic landscape) to visualize sexual selection on calls. Finally, we used methods from cognitive psychology to illustrate the females' perception of call attractiveness in multivariate space, and compared this perceptual landscape to the acoustic landscape of quantitative call variation.We show that correlations between individual call characters are not strong and thus there are few biomechanical constraints on their independent evolution. Most call variables differed among males, and there was high repeatability of call characters within males. Females often discriminated between pairs of calls from the population, and there were significant differences among calls in their attractiveness. Female preferences for calls were not stabilizing. The region of the acoustic landscape that was most attractive to females included the mean call but was not centered around it. The females' perceptual or preference landscape did not correlate with the call's acoustic landscape, and female perception of calls decreased rather than enhanced call differences. Jang and Greenfield 1998). Some of these studies have measured preference functions for single traits or pairs of traits and show how the strength of preference, which is sometimes translated to a selection gradient, covaries with the stimulus (Ritchie 1996;Wagner 1998;Murphy and Gerhardt 2000;Schul and Bush 2002).The approaches used above have been invaluable in elucidating how female mating preferences (and sometimes male mating preferences) can generate selection on individual or small suites of signal traits. There are several limitations to these approaches, however. One limitation is that the female preferences for individual traits might not predict how females respond to comparisons of entire signals. The interaction effect of individual traits on female preference might not be additive, and it could even reverse signs. As a specific example, studies of jungle fowl show that females attend to a suite of characters but the relative importance of each character can vary with time (Zuk et ...

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Mate Choice, Mating Systems, and Sexual Selection

Møller¹

2021

The Behavior of Animals, 2nd Edition

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The Role of Male Ornaments and Courtship Behavior in Female Mate Choice of Red Jungle Fowl

Cited by 223 publications

References 32 publications

Artificial selection for increased comb size and its effects on other sexual characters and viability in Gallus domesticus (the domestic chicken)

Artificial selection for increased comb size and its effects on other sexual characters and viability in Gallus domesticus (the domestic chicken)

Sexual Selection in Female Perceptual Space: How Female Tungara Frogs Perceive and Respond to Complex Population Variation in Acoustic Mating Signals

Mate Choice, Mating Systems, and Sexual Selection

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