, Volume 24, Issue 4, pp 501–514 | Cite as

The social relationships of twin common marmosets (Callithrix jacchus) and their breeding success

  • Alison Woodcock


In a series of five experiments, female/female twin and male/male twin common marmosets were observed in each of the following social situations: as offspring in their respective family groups; housed together as twins; in competition for a mate and in the heterosexual pairs resulting from this competition. Quantitative records were made of their behaviour. These were then related to winning or losing the competition for a mate. Individuals who demonstrated more “assertive” behaviour and won the competition (winners) were not in every experiment faster to produce and rear offspring than were the less “assertive” animals (losers). Categories of behaviour described as “assertive” predicted the outcome of the competition in most cases, but were not good indicators of future breeding potential.


Social Relationship Animal Ecology Social Situation Breeding Success Family Group 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Japan Monkey Centre 1983

Authors and Affiliations

  • Alison Woodcock
    • 1
  1. 1.University of ReadingUK

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