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

Table 2.

Observation periods, focal hours and number of fecal samples collected

Season Time period Number of samples Number of males Focal hours
Mating 1999 16 May 1999–15 Jun 1999 101 8 429
Gestation 16 Jun 1999–15 Sep 1999 172 8 382
Birth 16 Sep 1999–15 Oct 1999 57 8 155
Lactation 16 Oct 1999–28 Feb 2000 199 8 578
Mating 2000 01 Jun 2000–30 Jun 2000 88 10 299