Harvest ports

In the deserts of southeastern Arizona, several tiny cleaner ants groom a large harvester ant, licking tiny particles from its body. Credit: © Mark Moffett, Minden Pictures

Tiny ants have been recorded cleaning up large ants in the Arizona desert

Smithsonian researchers have documented for the first time behavior reminiscent of "cleaner fish" in the sea: small ants climb onto large harvester ants and clean their jaws as well