Social relationships and greetings in wild chimpanzees (Pan troglodytes): use of signal combinations

Autor(en): Luef, Eva Maria
Pika, Simone 
Stichwörter: BEHAVIOR; CALLS; Chimpanzees; Combinations; COMMUNICATION; Greeting; LONG-DISTANCE; Ngogo; Pan troglodytes; Pant-grunt; Repetitions; SIMILARITY; VOCALIZATIONS; Zoology
Erscheinungsdatum: 2019
Herausgeber: SPRINGER JAPAN KK
Journal: PRIMATES
Volumen: 60
Ausgabe: 6
Startseite: 507
Seitenende: 515
Zusammenfassung: 
Signals of submission, so-called `greetings', represent an important tool for the regulation of social life in primates. In chimpanzees, vocalizations and gestures are commonly employed to communicate greetings, however, the topic of signal complexity (i.e., combinations of signals) during greeting instances has been neglected by research to date. Here, we investigate combinatorial possibilities in vocal greetings in a free-ranging group of chimpanzees (Pan troglodytes) and study how greeter sex, rank relationship between an interacting pair, and strength of the social bond of a greeting dyad influence signal complexity. Results show that the social bond and the dominance distance between individuals engaged in a greeting bout are important determiners for vocal combinations. The findings indicate that greeting signals in chimpanzees, like other vocal signals of the species, can become subject to social influences.
ISSN: 00328332
DOI: 10.1007/s10329-019-00758-5

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