Jump to Main Content
- Head, Megan L.; Jacomb, Frances; Vega-Trejo, Regina; Jennions, Michael D.
- Animal behaviour 2015 v.103 pp. 99-105
- opportunity costs, etc ; Gambusia holbrooki; animal behavior; copulation; females; insemination; males; prediction; space and time; spermatozoa; Show all 10 Subjects
- ... Theory predicts that males should be choosier when encountering potential mates simultaneously rather than sequentially because there is no opportunity cost. Consequently, when mate encounter rates vary across space and time males might benefit from plasticity in mate preferences to match prevailing social conditions, preferring high-quality mates when females are encountered frequently and showin ...
- Arseneau, T.Jean M.; Taucher, Anouk-Lisa; van Schaik, Carel P.; Willems, Erik P.
- Animal behaviour 2015 v.110 pp. 39-50
- opportunity costs, etc ; Cercopithecus aethiops; aggression; animal behavior; breeding season; death; females; gender differences; home range; infants; males; monkeys; parents; progeny; risk; Show all 15 Subjects
- ... In many social species, group members cooperate to defend a communal home range. Fighting in between-group conflicts carries an opportunity cost, a risk of injury or death, and the possibility of exploitation by free-riding group members. As a result, it is rare that all group members fight in a given between-group conflict, and individual participation in range defence is often highly variable. T ...