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Fig. 1 | BMC Evolutionary Biology

Fig. 1

From: Testosterone, territorial response, and song in seasonally breeding tropical and temperate stonechats

Fig. 1

Testosterone concentrations (ng/ml) of African and European male stonechats in relation to breeding phase and population. Points and error bars (means and 95% credible intervals) represent African (white fills) and European (black fills) populations. Letters indicate the location of each population and full location names are displayed together with sample sizes in the legend

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