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Only females in poor condition display a clear preference and prefer males with an average badge
Authors:Matteo Griggio  Herbert Hoi
Institution:(1) Konrad Lorenz Institute for Ethology, Savoyenstrasse 1 a, A-1160 Vienna, Austria
Abstract:

Background  

Female condition-dependent variation in mate preference may have important evolutionary implications, not only within the same population but also among populations. There are few experiments, however, on how condition and/or genotype influences female mate preferences. The black throat patch of the male house sparrow, Passer domesticus, is an intensively studied plumage trait. It is often referred to as a 'badge of status' and seems to be involved in female mate choice, but differences exist among populations. Between-population variation in mate preference may occur for condition-dependent mate preferences. We tested the hypothesis that female preference may vary with female quality (body condition). Therefore, we measured female preference for badge size using an aviary two-choice test in which females were presented with two males that had different sizes of badges (enlarged or averaged).
Keywords:
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