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    Variation in female aggression in 2 three-spined stickleback populations with female throat and spine coloration

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    Author
    Yong, Lengxob; Lee, Brittney; MCKINNON, Jeffrey S.
    Abstract
    Despite growing interest in female ornament evolution, we still have a rudimentary understanding of female display traits relative to similar traits in males. Under one popular adaptive scenario, fe- male ornaments are hypothesized to function in female–female competition and serve as badges of status, such that their expression is linked with elevated aggression in some cases. In this study, we investigated the relationship between 2 female ornaments—male-like red throat color and red spine coloration—and female aggression in 2 independently derived stream-resident populations of three-spined stickleback Gasterosteus aculeatus. Using simulated intrusions, we tested whether females with redder ornaments were generally more aggressive, and for variation in aggressive and social behaviors between the 2 populations. We found that the red intensity of the throat and spine did not predict aggression levels in either population, suggesting a limited role for both fe- male ornaments during female–female interaction. The 2 populations exhibited different levels of aggressive behaviors, unrelated to the color patches. Our results suggest that variation in selective pressures between populations may promote interpopulation variance in aggressive behavior but not the correlation between female ornamentation and aggression, and raise the possibility that red coloration may have evolved through different mechanisms or processes in the 2 populations.
    URI
    http://hdl.handle.net/10342/8014
    Date
    2018-03-07
    Citation:
    APA:
    Yong, Lengxob, & Lee, Brittney, & MCKINNON, Jeffrey S.. (March 2018). Variation in female aggression in 2 three-spined stickleback populations with female throat and spine coloration. Current Zoology, (64:3), p.345–350. Retrieved from http://hdl.handle.net/10342/8014

    Display/Hide MLA, Chicago and APA citation formats.

    MLA:
    Yong, Lengxob, and Lee, Brittney, and MCKINNON, Jeffrey S.. "Variation in female aggression in 2 three-spined stickleback populations with female throat and spine coloration". Current Zoology. 64:3. (345–350.), March 2018. February 26, 2021. http://hdl.handle.net/10342/8014.
    Chicago:
    Yong, Lengxob and Lee, Brittney and MCKINNON, Jeffrey S., "Variation in female aggression in 2 three-spined stickleback populations with female throat and spine coloration," Current Zoology 64, no. 3 (March 2018), http://hdl.handle.net/10342/8014 (accessed February 26, 2021).
    AMA:
    Yong, Lengxob, Lee, Brittney, MCKINNON, Jeffrey S.. Variation in female aggression in 2 three-spined stickleback populations with female throat and spine coloration. Current Zoology. March 2018; 64(3) 345–350. http://hdl.handle.net/10342/8014. Accessed February 26, 2021.
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