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Ants show us how to make super-highways

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Overall, this behaviour results in an increase in the average speed of prey-laden traffic. Moreover, calculations suggest that under a range of realistic scenarios, plugging behaviour results in a clear increase in daily prey intake. In other words, the behaviour of the pothole pluggers more than compensates for them not carrying prey themselves.

This study provides rare quantitative evidence from animal societies that extreme specialisation by a minority can significantly improve the performance of a majority to benefit the group as a whole. It also suggests that these benefits are a consequence of the unusual and derived foraging strategy of the army ant (Eciton burchellii). This highlights the importance of considering ecology and evolutionary history in the study of social organisation in animal societies.
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Source:University of Bristol


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