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. Author manuscript; available in PMC: 2010 Jan 29.
Published in final edited form as: J Comp Physiol A Neuroethol Sens Neural Behav Physiol. 2009 Oct;195(10):961. doi: 10.1007/s00359-009-0472-1

Fig 1.

Fig 1

Overhead schematics of the testing apparatus for the audiogram experiment (a) and the gap detection experiment (b). Each cage contained one or more nose poke holes, a water dipper, and a loudspeaker.