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Figure 2 Relations between overall male plumage color (PC1 color score) and bower quality score (a; y = -3.8 + 0.5x; r² =.60, n = 10, p =.009) and average number of decorations (b; y = -2.1 + 0.1x; r² =.69, n = 10, p =.003) in male satin bowerbird bowers. Males with high PC1 color scores displayed high total brightness, contrast, and UVV-chroma in their structural plumage coloration. Trend lines are model II regressions