Ants vomit into each other’s mouths to form social bonds

Ants have social networks just like humans, but instead of exchanging information through posts and comments, ants vomit into each other’s mouths.

Most insects have a front, middle, and hind gut. However, for social insects, the foregut has become a kind of ‘social stomach,’ said Adria Lebeauf, associate professor and head of the Social Fluids Laboratory at the University of Friborg in Switzerland. The posterior is digested, while the contents of the foregut are supposed to be shared.

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