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Tandem running
Tandem running is a social learning phenomenon seen mostly in ants, by which one ant leads another native ant from the nest to the food source it has found. Tandem running is also used to find and choose better, new nest sites to which the colony can emigrate. The follower ant maintains contact with the lead ant by frequently touching the leader’s legs and abdomen with its antennae. As predators, scavengers, and herbivores, ants have a variety of food sources, for which they may journey as far as 200 meters from their nest, spraying a scent trail as they go.〔Carrol CR, Janzen DH (1973). "Ecology of foraging by ants". Annual Review of Ecology and Systematics 4: 231–257. doi:10.1146/annurev.es.04.110173.001311〕 To lead their kin to new food sources, ants demonstrate one of the few examples of interactive teaching outside of the mammalian class. Social learning by teaching requires that the naive observer change its behavior and acquire some skills or knowledge faster than it would have independently and that the teacher incur some cost. In order for the follower ant to learn landmarks, the leader must travel much slower and make frequent stops to check for his follower. Ultimately, the knowledge of the route to the new food source can be passed throughout the colony as one follower becomes a leader, making tandem running an effective time-saving practice.〔Davies, N.B., Krebs, J.R., & West, S.A. (2012). An Introduction to Behavioural Ecology. 4th ed, Wiley-Blackwell.〕
== Species that use tandem running ==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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