We also found a positive trend between nestling and adult color for measures of hue; while sex significantly impacted the intercept, there was no effect on the slope (theta – b = 0.20, t = 1.87, P = 0.07, ANCOVA – F 2, 73 = 6.70, R 2 = 0.13, P = 0.002, Fig. 4 A; phi – b = 0.15, t = 1.38, P = 0.17, ANCOVA – F 2, 73 = 7.08, R 2 = 0.14, P = 0.002, Fig. 4 B).
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Quantitative genetics of plumage color: lifetime effects of early nest environment on a colorful sexual signal.
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