Contact: Robert Sanders
rsanders@berkeley.edu
510-643-6998
University of California - Berkeley
Caption: Ants far from the coast are more attracted to a dilute salt (NaCl) solution than to a more concentrated sugar solution, probably because plant-eating ants in salt-poor inland areas are salt-starved.
Credit: Stephen P. Yanoviak, University of Arkansas at Little Rock
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Related news release: Inland ants often prefer salt over sugar, implying salt may be a limitation on their activity