Table 1.

Multivariate ANOVA demonstrating the effects of opponent species on behaviour in single-opponent trials (Wilks' Λ=0.362; F_8,30=2.483, p=0.034).

effect	SS	d.f.	MS	F	p
square root of total aggression	5.646	2	2.823	0.658	0.530
error	77.254	18	4.292
square root of frontal displays	8.820	2	4.410	0.821	0.456
error	96.674	18	5.371
square root of lateral displays	21.022	2	10.511	5.603	0.013
error	33.767	18	1.876
square root of butts/bites	15.907	2	7.953	3.497	0.052
error	40.941	18	2.275