Flash Expansion Threshold in Whirligig Swarms

Abstract

In the selfish herd hypothesis, prey animals move toward each other to avoid the likelihood of being selected by a predator. However, many grouped animals move away from each other the moment before a predator attacks. Very little is known about this phenomenon, called flash expansion, such as whether it is triggered by one individual or a threshold and how… (More)
DOI: 10.1371/journal.pone.0136467

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