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  1. Sep 2015
    1. Behavioral audiograms were determined for four species of Glires: one lagomorph (domestic rabbit, O r y c t o l a g u s c u n i c u l u s) and three feral rodents (cotton rat, S i g m o d o n h i s p i d u s; house mouse, M u s m u s c u l u s; and kangaroo rat, D i p o d o m y s m e r r i a m i).

      The behavioral measure for mice and rabbits was a conditioned suppression task where a tone of a given frequency was paired with a shock that was incompatible with water-drinking. Once the animal associated shock with a given frequency, the loudness threshold for that frequency was determined through trial and error.