Table 1.

Mean values (with standard errors) for the frequencies of approaches, checks, aggressive behaviour and the time spent within one body length of the response animal (proximity) for each type of trial.

trial type	meeting type	approaches	checks	aggressive behaviours	time within one body length (proximity) (hours: minutes: seconds)
oxytocin manipulation (n = 40)	initial	8.5 (±1.1)	51.4 (±3.2)	17 (±3.9)	00: 44: 12 (±00: 02: 18)
	second	5.8 (±1.2)	47.4 (±1.1)	17.3 (±4)	00: 44: 51 (±00: 03: 22)
saline manipulation (n = 40)	initial	7.2 (±1.1)	67.7 (±3.9)	27.3 (±5.9)	00: 32: 35 (±00: 03: 08)
	second	5.3 (±1.4)	48 (±7.3)	19.8 (±6.2)	00: 44: 25 (±00: 03: 22)