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The extending of cotton rat range in California - their life history and control

  • Author(s): Clark, Dell O.
  • et al.
Abstract

Cotton Rats (Sigmodon hispidus eremicus Hearns) are known to have reached the Imperial Valley in 1921 from the Colorado River along canal banks. Recently (1967-69) cotton rats were found distributed throughout the irrigated portion of the Imperial Valley, Imperial County, California. Limited crop damage has occurred and is described. Life history information is included. Control measures are listed.

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