| Summary: | This study (1) detailly describes and analyses selected affiliative behaviours in a captive group of Japanese monkeys (Macaca fuscata) and compares all findings with results of other studies in free- ranging and captive primate groups; (2) tries to deepen our knowledge about distribution of the affiliative behaviours in terms of the biological markets theory (N06 and Hammerstein 1995) with emphasis on possible effects of dominance-submisive relations, status of females (mothers vs. non- mothers) as well as age of dependent infants and thus examines its functionality in our study group; (3) tests which hypotheses about distribution of affiliative behaviours in nonhuman primates (see Seyfarth 1977, 1980, de Waal and Luttrell 1986, Manson 1998, Bentley-Condit et al. 2001, Henzi and Barrett 2002, Kleindorfer, Wasser 2004) fit best to situation in the study group. Subjects were 12 Japanese monkeys at Olomouc Zoo (Czech Republic): 8 adult females (all > 5 years of age; 4 mothers and 4 non- mothers) and 4 dependent infants ( 0 - 4 months of age; 1 female and 3 males). In summer 2006, a total of 138 observation hours of behavioural data were gathered on 23 days. A combination of focal-animal sampling, all occurences sampling, instantaneous scan sampling and ad libitum sampling (Altman 1974) was used to score adult...
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