Ant colonies can only get so big

Leaf-cutting ants are less productive as their colonies expand, new research suggests, indicating that there is a limit to how big a colony can get.

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Source: http://www.cosmosmagazine.com/news/5297/leaf-cutting-ant-foraging-rate-affected-colony-size-and-expansion

Ashlee Simpson Ashley Greene Ashley Olsen Ashley Scott Ashley Tappin Ashley Tisdale Asia Argento Aubrey ODay Audrina Patridge Autumn Reeser