Table 2 Effect of male coloration and clutch size on the nestling Red-crested Cardinal growth parameters.

	df	Male brightness			Male red chroma			# Nestlings
	df	Estimate	t	P	Estimate	t	P	Estimate	t	P
Body mass (g)
Asymptote	139	0.86	0.82	0.41	0.18	0.89	0.39	0.07	1.25	0.21
Max growth	139	−0.12	−2.27	0.02	−0.04	1.24	0.21	0.001	−0.63	0.52
Day max growth	139	0.42	1.89	0.05	2.16	−1.69	0.09	0.05	1.56	0.12
Tarsus (mm)
Asymptote	139	0.85	1.09	0.27	1.23	0.17	0.87	2.45	0.31	0.75
Max growth	139	−0.33	−2.31	0.02	2.46	−0.52	0.6	3.34	0.01	0.98
Day max growth	139	0.4	3.67	<0.01	0.99	0.02	0.98	1.29	1.01	0.31

Growth parameters (body mass and tarsus length) were characterized as: upper asymptote (fledging size), maximum relative growth rate and age of maximum relative growth rate. Growth parameters were estimated from 40 nestlings from 19 banded males.

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