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. 2007 Sep 19;62(4):627–638. doi: 10.1007/s00265-007-0487-y

Table 6.

Hourly rates of within group aggression (mean and standard deviation of 8–10 males) and intergroup encounters (mean of 2–3 study groups) across the five reproductive seasons

Season Within group aggression Inter-group encounters
Mean SD Mean
Mating 99 0.47 0.34 0.07
Gestation 0.30 0.26 0.12
Birth 0.45 0.32 0.06
Lactation 0.49 0.21 0.08
Mating 00 0.68 0.52 0.04