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Fig. 1 | BMC Evolutionary Biology

Fig. 1

From: Females sample more males at high nesting densities, but ultimately obtain less attractive mates

Fig. 1

Throat indices across male densities and among males who did and did not nest. a Red throat index (0–10) of males in low male density and high male density pools across the breeding season. Represented are the quadratic regression lines and confidence intervals (shadows). b Red throat index of males who did and did not establish a territory and build a nest. Boxes enclose the interquartile range (IQR) and horizontal bars represent the median. Whiskers extend to include the furthest point within 1.5x IQR from the box

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