Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"honest signals"”.
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Multi-component chemical defense in seahares (Gastropoda:Opisthobranchia): antipredator compounds act as both honest and deceptive signals to multiple predator species
… predator species? Can chemical defenses be honest signals to some species and deceitful to others? These issues were examined using seahares (Aplysia spp. and Stylocheilus spp.) and their cnidarian, crustacean, and vertebrate predators. Seahares release defensive secretions called ink and …
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Honest Signaling in Aggressive Contests Between Ozark Zigzag Salamanders (Plethodon Angusticlavius)
… territories, courtship, and mating. For signals to be favored by natural selection, they must benefit both the sender and the receiver. A dishonest signal that provides misleading information about quality or intent should therefore be selected against. Honest signals prevent cheating …
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Female Ornamentation in the American Robin
… choice, female competition, and the evolution of honest signals could help explain female ornamentation, especially where male investment in offspring and variation in female quality are high. I investigated this in the American robin (Turdus migratorius), a socially monogamous species with …
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Effects of Variation in Hunger Levels on Begging Behavior of Nestlings and the Provsioning Behavior of Male and Female Eastern Phoebes
… suggesting that nestling begging represents honest signals of need, and that adults use these signals to determine provisioning rates. Less is known about how males and females may differ in their response to changes in nestling begging behavior as a result of variation in hunger levels, or …
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Inbreeding, immunity and male sexual signaling in the black field cricket Teleogryllus commodus
Male sexual traits might be honest signals of male quality because they are costly to produce and/or maintain. Only high quality males can bear the costs of extravagant sexual display, creating a positive relationship between quality and trait expression. I conducted a series of experiments to test …
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Inbreeding, immunity and male sexual signaling in the black field cricket Teleogryllus commodus
Male sexual traits might be honest signals of male quality because they are costly to produce and/or maintain. Only high quality males can bear the costs of extravagant sexual display, creating a positive relationship between quality and trait expression. I conducted a series of experiments to test …
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The Social System of the Round-Eared Sengi(Macroscelides proboscideus)
… tactics were energetic costly they may serve as honest signals of quality providing only higher quality males with the opportunity to enhance their reproductive success, which in turn may be advantageous for females in terms of genetic benefits.