Still Waters Posted February 5, 2013 #1 Share Posted February 5, 2013 Cockroaches groom to improve their sense of smell, scientists say. The insects are known to manipulate their antennae, the protrusions on their head which they use to sense the smells, temperature and physical layout of their environment. US researchers found that the cockroaches groom to wipe away secretions that would otherwise interfere with their sense of smell. They also identified the same behaviour in carpenter ants and houseflies. http://www.bbc.co.uk/nature/21275518 Link to comment Share on other sites More sharing options...
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