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Private information alone can trigger trapping of ant colonies in local feeding optima

Czaczkes, Tomer J. ; Salmane, Anete K. ; Klampfleuthner, Felicia A. M. ; Heinze, Jürgen


Ant colonies are famous for using trail pheromones to make collective decisions. Trail pheromone systems are characterised by positive feedback, which results in rapid collective decision making. However, in an iconic experiment, ants were shown to become 'trapped' in exploiting a poor food source, if it was discovered earlier. This has conventionally been explained by the established pheromone ...


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