Table 3. Estimates of mean standardized traits I_A-evolvabilities (estimated V_A×100) and genetic covariances (×100) for Red-billed gull, Great reed warbler, and the two Barn swallow populations with their 95% confidence interval.

	Red-billed gull			Great reed warbler			Barn swallow - Badajoz			Barn swallow - Kraghede
	posterior mode	Low 95%CI	Up 95%CI	posterior mode	Low 95%CI	Up 95%CI	posterior mode	Low 95%CI	Up 95%CI	posterior mode	Low 95%CI	Up 95%CI
Wing	0.032	0.027	0.036	0.019	0.015	0.026	0.02	0.012	0.03	0.03	0.018	0.042
Tarsus	0.045	0.037	0.061	0.036	0.025	0.047	0.031	0.018	0.044	0.086	0.038	0.127
Mass	0.109	0.09	0.14	0.077	0.047	0.122	0.132	0.091	0.198	0.178	0.085	0.307
Bill	0.036	0.032	0.04	0.083	0.059	0.115	0.073	0.037	0.108	0.047	0.025	0.1
Wing:Tarsus	0.015	0.009	0.021	0.001	−0.003	0.009	0.004	−0.006	0.01	0.025	0.006	0.041
Wing:Mass	0.021	0.014	0.031	0.012	0.001	0.023	0.024	0.005	0.039	0.038	0.006	0.057
Wing:Bill	0.01	0.006	0.013	0.004	−0.006	0.013	0.004	−0.009	0.017	0	−0.015	0.024
Tarsus:Mass	0.038	0.025	0.052	0.027	0.01	0.042	0.022	0.001	0.042	0.031	−0.014	0.087
Tarsus:Bill	0.015	0.009	0.021	0.013	0.003	0.029	0.007	−0.009	0.024	0.006	−0.025	0.037
Mass:Bill	0.022	0.015	0.03	0.023	0.002	0.05	0.03	−0.003	0.064	0.007	−0.037	0.06

I_A-evolvabilities were higher for mass than for other characters because of the cubic scale of this measurement, while other characters were measured on a linear scale [40].