Table 2.

The effect of ln (wing area) on ln (brain size) correcting for ln (body mass) (covariate) on the level of phylogenetic independent contrasts.

		phylogenetic independent contrasts
		d.f.	SS3	F	p
all species	wing area (m2)	1	0.07	12.04	0.0008
body mass (g)	1	0.55	99.99	<0.0001
error	101
animal-eating species	wing area (m2)	1	0.11	21.59	<0.0001
body mass (g)	1	0.32	66.47	<0.0001
error	65
plant-eating species	wing area (m2)	1	<0.01	0.46	0.50
body mass (g)	1	0.24	40.28	<0.0001
error	33