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The relative similarity of contact calls produced by three different budgerigars to their respective templates before, during, and up to 25 days after 8 days of kanamycin injections (green squares) from Manabe et al (1998) and song note sequence stereotypy for eight Bengalese finches that sang degraded song before, during, and after Amikacin injections (black circles) from Woolley and Rubel (2002).
