Riss D C, Busse C D
Folia Primatol (Basel). 1977;28(4):283-97. doi: 10.1159/000155818.
An adult male chimpanzee living in Gombe National Park, Tanzania, was observed for 50 consecutive days during the 1974 dry season, for a total of 563 h. This individual, Figan, was the alpha male of a community of 42 chimpanzees. The composition and size of temporary associations within the community was influenced largely by the presence of one estrus female and by characteristics of the food resources. Figan's daily time budget varied little for travel and grooming, but there were major changes in time spent feeding tha inactive over the 50 days. Predatory behavior occurred periodically and meat was eaten on five occasions. Agonistic and sexual behaviors are discussed relative to Figan's high social status. A cooperative relationship was maintained between Figan and his older brother.
1974年旱季期间，在坦桑尼亚贡贝国家公园对一只成年雄性黑猩猩进行了连续50天的观察，总计563小时。这只名叫菲甘的黑猩猩是一个由42只黑猩猩组成的群体中的首领。群体内临时社交关系的组成和规模在很大程度上受一只处于发情期的雌性黑猩猩的存在以及食物资源特性的影响。菲甘在出行和梳理毛发方面的每日时间分配变化不大，但在这50天里，其用于进食和不活动的时间有很大变化。捕食行为定期发生，有五次吃到了肉。文中还讨论了与菲甘较高社会地位相关的攻击性行为和性行为。菲甘与其哥哥维持着合作关系。
