Antler size and fluctuating asymmetry in red deer (Cervus elaphus) stags and probability of becoming a harem holder in rut

Publication Type:Journal Article
Year of Publication:2006
Authors:BartoŠ, L, Bahbouh, R
Journal:Biological Journal of the Linnean Society
Volume:87
Pagination:59-68
Date Published:2006
ISBN Number:1095-8312
Keywords:Cervus elaphus
Abstract:

Red deer hinds play a significant role in selecting stags for mating. We tested the hypotheses that in red deer (Cervus elaphus) the probability of becoming a harem holder (and hence achieving reproductive success) occurs in stags bearing larger, branched antlers and showing low fluctuating asymmetry (FA). Eleven antler characteristics were measured; absolute and relative FA were calculated on 51 cast antler sets from 19 individually recognized stags. Probability of becoming a harem holder (PBHH) was originally analysed separately, i.e. for antler size and FA of each antler characteristic and calculated factors for both antler size and FA. If analysed separately, large antler size and low relative but high absolute FA increased PBHH. When we combined antler size and FA of antler characteristics in one model using antler size and FA factors, however, PBHH and achieving reproductive success were mainly dependent on increasing antler size and enhanced antler branching rather than on FA. We conclude that in contrast to antler size, FA is unlikely to play any significant role in sexual selection as an indicator of individual quality. © 2006 The Linnean Society of London, Biological Journal of the Linnean Society, 2006, 87, 59–68.

URL:http://dx.doi.org/10.1111/j.1095-8312.2006.00555.x
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