For imitative parrots, wagging tongues may be key to vocalization

08/31/04

Source: Eurekalert & others

Last reviewed: By John M. Grohol, Psy.D. on 21 Feb 2009
    Published on PsychCentral.com. All rights reserved.

 

 

People ask for criticism, but they only want praise.
-- W. Somerset Maugham
 
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