Preference for male traits differ in two female morphs of the tree lizard, Urosaurus ornatus.

Non-random female mating preferences may contribute to the maintenance of phenotypic variation in color polymorphic species. However, the effect of female preference depends on the types of male traits used as signals by receptive females. If preference signals derive from discrete male traits (i.e....

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Main Authors: Matthew S Lattanzio, Kevin J Metro, Donald B Miles
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2014-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC4102484?pdf=render
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author Matthew S Lattanzio
Kevin J Metro
Donald B Miles
author_facet Matthew S Lattanzio
Kevin J Metro
Donald B Miles
author_sort Matthew S Lattanzio
collection DOAJ
description Non-random female mating preferences may contribute to the maintenance of phenotypic variation in color polymorphic species. However, the effect of female preference depends on the types of male traits used as signals by receptive females. If preference signals derive from discrete male traits (i.e., morph-specific), female preferences may rapidly fix to a morph. However, female preference signals may also include condition-dependent male traits. In this scenario, female preference may differ depending on the social context (i.e., male morph availability). Male tree lizards (Urosaurus ornatus) exhibit a dewlap color polymorphism that covaries with mating behavior. Blue morph males are aggressive and defend territories, yellow males are less aggressive and defend smaller territories, and orange males are typically nomadic. Female U. ornatus are also polymorphic in dewlap color, but the covariation between dewlap color and female behavior is unknown. We performed an experiment to determine how female mate choice depends on the visual and chemical signals produced by males. We also tested whether female morphs differ in their preferences for these signals. Female preferences involved both male dewlap color and size of the ventral color patch. However, the female morphs responded to these signals differently and depended on the choice between the types of male morphs. Our experiment revealed that females may be capable of distinguishing among the male morphs using chemical signals alone. Yellow females exhibit preferences based on both chemical and visual signals, which may be a strategy to avoid ultra-dominant males. In contrast, orange females may prefer dominant males. We conclude that female U. ornatus morphs differ in mating behavior. Our findings also provide evidence for a chemical polymorphism among male lizards in femoral pore secretions.
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spelling doaj.art-6af8779e140d480a871cff0269abe38b2022-12-21T23:41:10ZengPublic Library of Science (PLoS)PLoS ONE1932-62032014-01-0197e10151510.1371/journal.pone.0101515Preference for male traits differ in two female morphs of the tree lizard, Urosaurus ornatus.Matthew S LattanzioKevin J MetroDonald B MilesNon-random female mating preferences may contribute to the maintenance of phenotypic variation in color polymorphic species. However, the effect of female preference depends on the types of male traits used as signals by receptive females. If preference signals derive from discrete male traits (i.e., morph-specific), female preferences may rapidly fix to a morph. However, female preference signals may also include condition-dependent male traits. In this scenario, female preference may differ depending on the social context (i.e., male morph availability). Male tree lizards (Urosaurus ornatus) exhibit a dewlap color polymorphism that covaries with mating behavior. Blue morph males are aggressive and defend territories, yellow males are less aggressive and defend smaller territories, and orange males are typically nomadic. Female U. ornatus are also polymorphic in dewlap color, but the covariation between dewlap color and female behavior is unknown. We performed an experiment to determine how female mate choice depends on the visual and chemical signals produced by males. We also tested whether female morphs differ in their preferences for these signals. Female preferences involved both male dewlap color and size of the ventral color patch. However, the female morphs responded to these signals differently and depended on the choice between the types of male morphs. Our experiment revealed that females may be capable of distinguishing among the male morphs using chemical signals alone. Yellow females exhibit preferences based on both chemical and visual signals, which may be a strategy to avoid ultra-dominant males. In contrast, orange females may prefer dominant males. We conclude that female U. ornatus morphs differ in mating behavior. Our findings also provide evidence for a chemical polymorphism among male lizards in femoral pore secretions.http://europepmc.org/articles/PMC4102484?pdf=render
spellingShingle Matthew S Lattanzio
Kevin J Metro
Donald B Miles
Preference for male traits differ in two female morphs of the tree lizard, Urosaurus ornatus.
PLoS ONE
title Preference for male traits differ in two female morphs of the tree lizard, Urosaurus ornatus.
title_full Preference for male traits differ in two female morphs of the tree lizard, Urosaurus ornatus.
title_fullStr Preference for male traits differ in two female morphs of the tree lizard, Urosaurus ornatus.
title_full_unstemmed Preference for male traits differ in two female morphs of the tree lizard, Urosaurus ornatus.
title_short Preference for male traits differ in two female morphs of the tree lizard, Urosaurus ornatus.
title_sort preference for male traits differ in two female morphs of the tree lizard urosaurus ornatus
url http://europepmc.org/articles/PMC4102484?pdf=render
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