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Army ants tired of potholes take one for the team, throwing their bodies into rough spots to make a smoother road for their sisters, British researchers have reported.
They found that army ants of Central and South America match their own bodies to the size of the hole they want to plug. Several may plunge together to fill in bigger holes, they report in the journal Animal Behaviour.
Scott Powell and Nigel Franks of the University of Bristol studied an army ant species called Eciton burchelli