Table 1. The four most common male fighting behaviours are performed at different rates by defenders compared with challengers (n = 40 observations).

Type		Defender	Challenger	Statistics
Bite	mean±SD	1.53±2.89	0.80±1.76	Mann-Whitney: U = 724.5, z = 0.72, p = 0.47, n = 40, effect size r = 0.114
	range	0–12	1–9
	median	0	0
Kick	mean±SD	3.20±4.32	0.05±0.22	Mann-Whitney: U = 299.0, z = 4.82, p<0.01, n = 40, effect size r = 0.762
	range	0–20	0–1
	median	2	0
Mandible Flare	mean±SD	38.95±34.99	0
	range	0–141	0
	median	32.5	0
Mount	mean±SD	0	1.70±2.40
	range	0	0–12
	median	0	1