Figure 2From: Quality prevails over identity in the sexually selected vocalisations of an ageing mammalRelationship between the age and dominance rank of males. Lower values of dominance rank indicate higher-ranking males. Males tend to be higher-ranking at six and seven than at five and eight years old (quadratic relationship, P = 0.09). Dots represent mean values per year for each male and lines show repeated measures of the same individual across years.Back to article page